Counties in Maryland by annual precipitation

Cecil County had the highest annual precipitation of 24 counties in 2023, at 41.81 inches. Washington County had the lowest, at 31.8 inches. The median was 38.95 inches and the figure for Maryland was 38.08 inches. Source: NOAA National Centers for Environmental Information.

Highest41.81Cecil County

Lowest31.8Washington County

Median38.9524 counties

Maryland38.08History

Map of counties, 2023

Under 36
36 to 39
39 to 40
40 and over

inches, 2023. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

inches. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2023 inches	Change on 2022
1	Cecil County	41.81	-12.1%
2	Caroline County	41.52	-7.3%
3	Wicomico County	40.71	-4.6%
4	Worcester County	40.68	+3.5%
5	Somerset County	40.46	-1.4%
6	Baltimore city	40.28	-14%
7	Anne Arundel County	39.82	-14.9%
8	Talbot County	39.72	-15.5%
9	Garrett County	39.66	-10.4%
10	Baltimore County	39.45	-14.3%
11	Howard County	39.13	-13.7%
12	Dorchester County	39.06	-14.9%
13	St. Mary's County	38.84	-15.6%
14	Harford County	38.79	-18.9%
15	Prince George's County	38.78	-15.4%
16	Calvert County	38.56	-19.1%
17	Queen Anne's County	38.49	-15.1%
18	Kent County	37.64	-15.7%
19	Carroll County	36.51	-17.1%
20	Montgomery County	36.26	-14.5%
21	Charles County	35.18	-18.1%
22	Frederick County	34.38	-19.7%
23	Allegany County	32.32	-13.6%
24	Washington County	31.8	-20.6%

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 Maryland by annual precipitation, 2023) [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 Maryland by annual precipitation, 2023. 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/maryland-counties?period=2023. 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 Maryland by annual precipitation, 2023. 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/maryland-counties?period=2023.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December precipitation, counties, Counties in Maryland by annual precipitation, 2023 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping, via Invokely: https://invokely.ai/rankings/annual-precipitation/maryland-counties?period=2023 (Accessed: 12 October 2026).

BibTeX

@misc{noaa_counties_in_maryland_by_2023,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December precipitation, counties: Counties in Maryland by annual precipitation, 2023}},
  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/maryland-counties?period=2023. 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 Maryland by annual precipitation, 2023
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/maryland-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/annual-precipitation/maryland-counties?period=2023.
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  -

Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Embed code

<iframe src="https://invokely.ai/embed/rankings/annual-precipitation/maryland-counties?period=2023" width="760" height="500" title="Counties in Maryland by annual precipitation, 2023, chart from Invokely" loading="lazy" style="border:0;width:100%;max-width:760px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Maryland by annual precipitation using official data, and cite the source.

rank_places {"indicator":"precipitation_annual","level":"province","within":"Maryland","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=precipitation_annual&level=province&within=Maryland&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest annual precipitation?

Cecil County, with 41.81 inches in 2023, according to NOAA National Centers for Environmental Information.

Which county has the lowest annual precipitation?

Washington County, with 31.8 inches in 2023.

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.