Counties in Louisiana by annual precipitation

St. James Parish had the highest annual precipitation of 64 counties in 2014, at 70.17 inches. Caddo Parish had the lowest, at 41.82 inches. The median was 57.11 inches and the figure for Louisiana was 55.94 inches. Source: NOAA National Centers for Environmental Information.

Highest70.17St. James Parish

Lowest41.82Caddo Parish

Median57.1164 counties

Louisiana55.94History

Map of counties, 2014

Under 51
51 to 55
55 to 57
57 to 59
59 to 63
63 and over

inches, 2014. Source: NOAA NCEI, NOAA Climate at a Glance, January to December precipitation, counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2014

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

Full ranking

Rank	Counties	2014 inches	Change on 2013
1	St. James Parish	70.17	+10.1%
2	Washington Parish	68.75	+3.3%
3	Ascension Parish	67.8	-0.7%
4	St. John the Baptist Parish	67.03	+4%
5	Livingston Parish	66.57	-2.2%
6	Iberville Parish	66.45	-8.5%
7	Tangipahoa Parish	66.4	-0.8%
8	St. Tammany Parish	66.25	+2.1%
9	Assumption Parish	65.71	-1%
10	East Baton Rouge Parish	64.86	-11.3%
11	East Feliciana Parish	63.19	-7.5%
12	St. Helena Parish	63.18	-4.3%
13	West Baton Rouge Parish	62.61	-13.6%
14	West Feliciana Parish	62.34	-9.8%
15	Lafayette Parish	62.25	-3.9%
16	St. Martin Parish	61.53	-7.5%
17	Madison Parish	61.45	-6.1%
18	Pointe Coupee Parish	60.3	-12.8%
19	Acadia Parish	60.29	-10.7%
20	Tensas Parish	60.08	-5.2%
21	St. Landry Parish	59.23	-11.2%
22	East Carroll Parish	59.1	-6.4%
23	Orleans Parish	58.69	-7%
24	Jefferson Davis Parish	58.3	-7.7%
25	Franklin Parish	58.29	-1.8%
26	Caldwell Parish	58.11	+3.7%
27	Vermilion Parish	58.03	-5.2%
28	Allen Parish	57.85	0%
29	Iberia Parish	57.39	-14.7%
30	Catahoula Parish	57.34	-7.3%
31	St. Charles Parish	57.28	-10.9%
32	St. Mary Parish	57.14	-13.2%
33	St. Bernard Parish	57.08	-7.7%
34	Calcasieu Parish	56.72	-4.6%
35	Beauregard Parish	56.59	+2.8%
36	Vernon Parish	56.33	+2.3%
37	West Carroll Parish	56.17	-9%
38	LaSalle Parish	55.62	-4.5%
39	Richland Parish	55.49	-0.6%
40	Concordia Parish	55.41	-14.3%
41	Grant Parish	54.9	-5.5%
42	Rapides Parish	54.89	-8.1%
43	Terrebonne Parish	54.78	-22.9%
44	Lafourche Parish	54.59	-18.5%
45	Plaquemines Parish	54.58	-11.3%
46	Ouachita Parish	54.03	-1.5%
47	Winn Parish	53.97	-7.9%
48	Jackson Parish	53.62	-9.7%
49	Avoyelles Parish	53.57	-16.4%
50	Jefferson Parish	53.19	-16.1%
51	Cameron Parish	53.08	-12.7%
52	Evangeline Parish	52.83	-18.5%
53	Morehouse Parish	51.06	-9.8%
54	Natchitoches Parish	50.6	-11.6%
55	Lincoln Parish	50.58	-15.3%
56	Sabine Parish	48.84	-10%
57	Union Parish	48.28	-12.7%
58	Bienville Parish	47.88	-18.6%
59	Webster Parish	45.4	-15.2%
60	Claiborne Parish	45.27	-18.6%
61	De Soto Parish	44.72	-16.8%
62	Red River Parish	44.41	-20.7%
63	Bossier Parish	42.97	-14.7%
64	Caddo Parish	41.82	-17%

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 Louisiana by annual precipitation, 2014) [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 Louisiana by annual precipitation, 2014. 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/louisiana-counties?period=2014. 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 Louisiana by annual precipitation, 2014. 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/louisiana-counties?period=2014.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December precipitation, counties, Counties in Louisiana by annual precipitation, 2014 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping, via Invokely: https://invokely.ai/rankings/annual-precipitation/louisiana-counties?period=2014 (Accessed: 12 October 2026).

BibTeX

@misc{noaa_counties_in_louisiana_by_2014,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December precipitation, counties: Counties in Louisiana by annual precipitation, 2014}},
  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/louisiana-counties?period=2014. 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 Louisiana by annual precipitation, 2014
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/louisiana-counties?period=2014
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/annual-precipitation/louisiana-counties?period=2014.
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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Questions

Which county has the highest annual precipitation?

St. James Parish, with 70.17 inches in 2014, according to NOAA National Centers for Environmental Information.

Which county has the lowest annual precipitation?

Caddo Parish, with 41.82 inches in 2014.

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.