nomadseason

Monthly climate in Donaldsonville, Louisiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Donaldsonville features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (54 °F) and 28 °C (82 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1634 mm (64.3 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually.Donaldsonville enjoys an average of 3179 hours of sunshine throughout the year, and daylight varies from 10 hours 14 minutes to 14 hours 1 minutes per day.

Monthly average temperatures in Donaldsonville, Louisiana, United States §

The warmest months in Donaldsonville are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 15 °C (54 - 60 °F) throughout the day. On average each year, Donaldsonville experiences 205 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Donaldsonville, Louisiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 28°C
(83°F)		 29°C
(84°F)		 30°C
(87°F)		 32°C
(89°F)		 36°C
(97°F)		 36°C
(98°F)		 38°C
(100°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(94°F)		 29°C
(84°F)		 28°C
(82°F)
Mean maximum 25°C
(78°F)		 27°C
(82°F)		 29°C
(84°F)		 30°C
(87°F)		 33°C
(92°F)		 34°C
(94°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(82°F)		 27°C
(81°F)
Average high 17°C
(64°F)		 21°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(82°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 12°C
(54°F)		 15°C
(60°F)		 18°C
(65°F)		 21°C
(69°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(82°F)		 26°C
(80°F)		 23°C
(73°F)		 16°C
(61°F)		 14°C
(58°F)
Average low 7°C
(46°F)		 11°C
(52°F)		 14°C
(57°F)		 15°C
(60°F)		 20°C
(69°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 22°C
(73°F)		 19°C
(66°F)		 11°C
(52°F)		 9°C
(49°F)
Mean minimum -2°C
(28°F)		 1°C
(33°F)		 3°C
(38°F)		 7°C
(45°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(72°F)		 22°C
(71°F)		 18°C
(64°F)		 9°C
(49°F)		 2°C
(36°F)		 0°C
(33°F)
Minimum -8°C
(18°F)		 -6°C
(21°F)		 0°C
(33°F)		 6°C
(43°F)		 11°C
(53°F)		 18°C
(64°F)		 21°C
(70°F)		 20°C
(68°F)		 14°C
(58°F)		 5°C
(41°F)		 -3°C
(28°F)		 -1°C
(30°F)

Compare climate in Donaldsonville with other places

Compare temperature, precipitation, sunshine, UV index in Donaldsonville, Louisiana, United States with other places around the world.

Monthly average precipitation in Donaldsonville, Louisiana, United States §

Donaldsonville usually has the most precipitation in June, July and August, with an average of 20 rainy days and 216 mm (8.5 inches) of precipitation per month.The driest months in Donaldsonville are January, March and November. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Donaldsonville, Louisiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 95 (3.8) 112 (4.4) 69 (2.7) 118 (4.6) 138 (5.4) 207 (8.2) 220 (8.7) 220 (8.7) 166 (6.5) 118 (4.6) 67 (2.6) 105 (4.1)
Average precipitation days (≥ 1 mm) 8 11 9 11 11 17 22 23 16 12 8 11

Monthly sunshine hours in Donaldsonville, Louisiana, United States §

The sunniest months in Donaldsonville are May, July and August, when the sun shines an average of 9 hours 57 minutes a day.Least sunny months in Donaldsonville: January, February and December receive an average of 6 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Donaldsonville, Louisiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 178 193 265 279 317 295 304 303 280 283 256 220
Mean daily daylight hours 10h 27m 11h 7m 12h 0m 12h 54m 13h 39m 14h 1m 13h 49m 13h 9m 12h 17m 11h 24m 10h 37m 10h 14m

Solar UV radiation in Donaldsonville, Louisiana, United States §

Donaldsonville experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Donaldsonville UV Index data.

Average daily maximum UV levels by month for Donaldsonville, Louisiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 8 9 11 11 12 12 11 11 9 6 5