Counties in Pennsylvania by annual precipitation

Erie County had the highest annual precipitation of 67 counties in 2016, at 48.34 inches. Bedford County had the lowest, at 31.5 inches. The median was 38.32 inches and the figure for Pennsylvania was 38.99 inches. Source: NOAA National Centers for Environmental Information.

Keep it in a collection in your library.
Highest48.34Erie County
Lowest31.5Bedford County
Median38.3267 counties
Pennsylvania38.99History

Map of counties, 2016

Adams County: 37.21 inchesAllegheny County: 39.14 inchesArmstrong County: 40.59 inchesBeaver County: 39.66 inchesBedford County: 31.5 inchesBerks County: 38 inchesBlair County: 34.62 inchesBradford County: 34.55 inchesBucks County: 37.81 inchesButler County: 40.69 inchesCambria County: 40.44 inchesCameron County: 38.37 inchesCarbon County: 42.53 inchesCentre County: 35.31 inchesChester County: 40.68 inchesClarion County: 41.43 inchesClearfield County: 37.56 inchesClinton County: 36.36 inchesColumbia County: 37.94 inchesCrawford County: 45.69 inchesCumberland County: 34.86 inchesDauphin County: 36.93 inchesDelaware County: 38.5 inchesElk County: 41.18 inchesErie County: 48.34 inchesFayette County: 45.71 inchesForest County: 44.26 inchesFranklin County: 34.14 inchesFulton County: 31.55 inchesGreene County: 44.14 inchesHuntingdon County: 32.8 inchesIndiana County: 42.02 inchesJefferson County: 39.06 inchesJuniata County: 32.5 inchesLackawanna County: 38.05 inchesLancaster County: 38.39 inchesLawrence County: 39.69 inchesLebanon County: 36.88 inchesLehigh County: 38.91 inchesLuzerne County: 37.84 inchesLycoming County: 36.1 inchesMcKean County: 45.12 inchesMercer County: 41.86 inchesMifflin County: 32.33 inchesMonroe County: 41.42 inchesMontgomery County: 37.28 inchesMontour County: 33.32 inchesNorthampton County: 38 inchesNorthumberland County: 33.54 inchesPerry County: 34.57 inchesPhiladelphia County: 37.98 inchesPike County: 37.01 inchesPotter County: 38.32 inchesSchuylkill County: 41.75 inchesSnyder County: 32.18 inchesSomerset County: 43.42 inchesSullivan County: 37.78 inchesSusquehanna County: 40.45 inchesTioga County: 34.28 inchesUnion County: 32.11 inchesVenango County: 43.57 inchesWarren County: 47.95 inchesWashington County: 41.51 inchesWayne County: 39.79 inchesWestmoreland County: 44.72 inchesWyoming County: 36.71 inchesYork County: 38.83 inches
  • Under 35
  • 35 to 37
  • 37 to 38
  • 38 to 40
  • 40 to 42
  • 42 and over
inches, 2016. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2016

Erie County: 48.34 inchesErie County48.34Warren County: 47.95 inchesWarren County47.95Fayette County: 45.71 inchesFayette County45.71Crawford County: 45.69 inchesCrawford County45.69McKean County: 45.12 inchesMcKean County45.12Westmoreland County: 44.72 inchesWestmoreland County44.72Forest County: 44.26 inchesForest County44.26Greene County: 44.14 inchesGreene County44.14Venango County: 43.57 inchesVenango County43.57Somerset County: 43.42 inchesSomerset County43.42Carbon County: 42.53 inchesCarbon County42.53Indiana County: 42.02 inchesIndiana County42.02Mercer County: 41.86 inchesMercer County41.86Schuylkill County: 41.75 inchesSchuylkill County41.75Washington County: 41.51 inchesWashington County41.51Clarion County: 41.43 inchesClarion County41.43Monroe County: 41.42 inchesMonroe County41.42Elk County: 41.18 inchesElk County41.18Butler County: 40.69 inchesButler County40.69Chester County: 40.68 inchesChester County40.68Armstrong County: 40.59 inchesArmstrong County40.59Susquehanna County: 40.45 inchesSusquehanna County40.45Cambria County: 40.44 inchesCambria County40.44Wayne County: 39.79 inchesWayne County39.79Lawrence County: 39.69 inchesLawrence County39.69Beaver County: 39.66 inchesBeaver County39.66Allegheny County: 39.14 inchesAllegheny County39.14Jefferson County: 39.06 inchesJefferson County39.06Lehigh County: 38.91 inchesLehigh County38.91York County: 38.83 inchesYork County38.83Delaware County: 38.5 inchesDelaware County38.5Lancaster County: 38.39 inchesLancaster County38.39Cameron County: 38.37 inchesCameron County38.37Potter County: 38.32 inchesPotter County38.32Lackawanna County: 38.05 inchesLackawanna County38.05Berks County: 38 inchesBerks County38Northampton County: 38 inchesNorthampton County38Philadelphia County: 37.98 inchesPhiladelphia County37.98Columbia County: 37.94 inchesColumbia County37.94Luzerne County: 37.84 inchesLuzerne County37.84Erie County: 48.34 inchesErie County48.34Warren County: 47.95 inchesWarren County47.95Fayette County: 45.71 inchesFayette County45.71Crawford County: 45.69 inchesCrawford County45.69McKean County: 45.12 inchesMcKean County45.12Westmoreland County: 44.72 inchesWestmoreland County44.72Forest County: 44.26 inchesForest County44.26Greene County: 44.14 inchesGreene County44.14Venango County: 43.57 inchesVenango County43.57Somerset County: 43.42 inchesSomerset County43.42Carbon County: 42.53 inchesCarbon County42.53Indiana County: 42.02 inchesIndiana County42.02Mercer County: 41.86 inchesMercer County41.86Schuylkill County: 41.75 inchesSchuylkill County41.75Washington County: 41.51 inchesWashington County41.51Clarion County: 41.43 inchesClarion County41.43Monroe County: 41.42 inchesMonroe County41.42Elk County: 41.18 inchesElk County41.18Butler County: 40.69 inchesButler County40.69Chester County: 40.68 inchesChester County40.68Armstrong County: 40.59 inchesArmstrong County40.59Susquehanna County: 40.45 inchesSusquehanna County40.45Cambria County: 40.44 inchesCambria County40.44Wayne County: 39.79 inchesWayne County39.79Lawrence County: 39.69 inchesLawrence County39.69Beaver County: 39.66 inchesBeaver County39.66Allegheny County: 39.14 inchesAllegheny County39.14Jefferson County: 39.06 inchesJefferson County39.06Lehigh County: 38.91 inchesLehigh County38.91York County: 38.83 inchesYork County38.83Delaware County: 38.5 inchesDelaware County38.5Lancaster County: 38.39 inchesLancaster County38.39Cameron County: 38.37 inchesCameron County38.37Potter County: 38.32 inchesPotter County38.32Lackawanna County: 38.05 inchesLackawanna County38.05Berks County: 38 inchesBerks County38Northampton County: 38 inchesNorthampton County38Philadelphia County: 37.98 inchesPhiladelphia County37.98Columbia County: 37.94 inchesColumbia County37.94Luzerne County: 37.84 inchesLuzerne County37.84
inches. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Retrieved 2026-10-12.

Full ranking

RankCounties2016
inches
Change on 2015
1Erie County48.34+13.4%
2Warren County47.95+7.7%
3Fayette County45.71-3.2%
4Crawford County45.69+0.7%
5McKean County45.12-0.5%
6Westmoreland County44.72-8.7%
7Forest County44.26-8.9%
8Greene County44.14+5.7%
9Venango County43.57-7.7%
10Somerset County43.42-8.2%
11Carbon County42.53-8.1%
12Indiana County42.02-17.9%
13Mercer County41.86-8.9%
14Schuylkill County41.75-5.5%
15Washington County41.51-4.6%
16Clarion County41.43-16.7%
17Monroe County41.42-11.1%
18Elk County41.18-15.3%
19Butler County40.69-10.5%
20Chester County40.68-10.6%
21Armstrong County40.59-20%
22Susquehanna County40.45+2.6%
23Cambria County40.44-13.1%
24Wayne County39.79-0.9%
25Lawrence County39.69-12%
26Beaver County39.66-4.3%
27Allegheny County39.14-10%
28Jefferson County39.06-19.9%
29Lehigh County38.91-10.8%
30York County38.83-13%
31Delaware County38.5-17.3%
32Lancaster County38.39-10.3%
33Cameron County38.37-19.2%
34Potter County38.32-10.3%
35Lackawanna County38.05-0.8%
36Berks County38-11.4%
36Northampton County38-12.9%
38Philadelphia County37.98-17.5%
39Columbia County37.94-3.6%
40Luzerne County37.84-2.9%
41Bucks County37.81-12.9%
42Sullivan County37.78-7%
43Clearfield County37.56-16.9%
44Montgomery County37.28-14.6%
45Adams County37.21-15.5%
46Pike County37.01-11.8%
47Dauphin County36.93-12.1%
48Lebanon County36.88-16.7%
49Wyoming County36.71-1%
50Clinton County36.36-13.4%
51Lycoming County36.1-13%
52Centre County35.31-17.8%
53Cumberland County34.86-12.4%
54Blair County34.62-13.6%
55Perry County34.57-13.6%
56Bradford County34.55-1%
57Tioga County34.28-9.6%
58Franklin County34.14-4.8%
59Northumberland County33.54-12.2%
60Montour County33.32-14.2%
61Huntingdon County32.8-15.1%
62Juniata County32.5-17.3%
63Mifflin County32.33-18.2%
64Snyder County32.18-18.3%
65Union County32.11-17.2%
66Fulton County31.55-13.8%
67Bedford County31.5-15.4%

Other periods

About this ranking

Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.

Values are area averages, not the reading at one weather station. NOAA revises the last two years every month.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

NOAA National Centers for Environmental Information. (2026). NOAA Climate at a Glance, January to December precipitation, counties (Counties in Pennsylvania by annual precipitation, 2016) [Data set]. Retrieved October 12, 2026, from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping

MLA 9

NOAA Climate at a Glance, January to December precipitation, counties, Counties in Pennsylvania by annual precipitation, 2016. NOAA National Centers for Environmental Information, 6 Oct. 2026, https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Invokely, https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016. Accessed 12 Oct. 2026.

Chicago (author-date)

NOAA National Centers for Environmental Information. 2026. NOAA Climate at a Glance, January to December precipitation, counties. Counties in Pennsylvania by annual precipitation, 2016. Dataset. Accessed October 12, 2026. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Also distributed by Invokely, https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December precipitation, counties, Counties in Pennsylvania by annual precipitation, 2016 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping, via Invokely: https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016 (Accessed: 12 October 2026).

BibTeX
@misc{noaa_counties_in_pennsylvania_by_2016,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December precipitation, counties: Counties in Pennsylvania by annual precipitation, 2016}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016. Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - NOAA National Centers for Environmental Information
TI  - NOAA Climate at a Glance, January to December precipitation, counties: Counties in Pennsylvania by annual precipitation, 2016
PY  - 2026
DA  - 2026/10/06
PB  - NOAA National Centers for Environmental Information
DB  - Invokely
UR  - https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
L2  - https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/annual-precipitation/pennsylvania-counties?period=2016.
N1  - Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
ER  - 
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Rank Counties in Pennsylvania by annual precipitation using official data, and cite the source.
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Questions

Which county has the highest annual precipitation?

Erie County, with 48.34 inches in 2016, according to NOAA National Centers for Environmental Information.

Which county has the lowest annual precipitation?

Bedford County, with 31.5 inches in 2016.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties. Retrieved 2026-10-12.

Annual precipitation: other rankings

Counties in Pennsylvania: more rankings