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Monthly climate in Gueydan, Louisiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gueydan features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (54 °F) and 28 °C (83 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 1545 mm (60.8 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Gueydan enjoys an average of 3203 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 2 minutes per day.

Monthly average temperatures in Gueydan, Louisiana, United States §

The warmest months in Gueydan are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °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 - 59 °F) throughout the day. On average each year, Gueydan experiences 202 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gueydan, 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 27°C
(81°F)		 28°C
(82°F)		 30°C
(87°F)		 32°C
(90°F)		 35°C
(94°F)		 35°C
(95°F)		 37°C
(100°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(95°F)		 29°C
(84°F)		 28°C
(82°F)
Mean maximum 25°C
(77°F)		 26°C
(80°F)		 29°C
(84°F)		 31°C
(87°F)		 33°C
(92°F)		 34°C
(94°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 28°C
(83°F)		 26°C
(80°F)
Average high 17°C
(63°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(79°F)		 30°C
(86°F)		 31°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
(59°F)		 18°C
(65°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(73°F)		 16°C
(61°F)		 14°C
(57°F)
Average low 7°C
(46°F)		 10°C
(51°F)		 14°C
(57°F)		 15°C
(60°F)		 20°C
(69°F)		 24°C
(75°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(73°F)		 18°C
(65°F)		 11°C
(52°F)		 9°C
(49°F)
Mean minimum -3°C
(27°F)		 -0°C
(32°F)		 3°C
(38°F)		 6°C
(44°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(72°F)		 22°C
(71°F)		 17°C
(63°F)		 8°C
(47°F)		 1°C
(35°F)		 -0°C
(32°F)
Minimum -8°C
(18°F)		 -7°C
(19°F)		 -0°C
(31°F)		 4°C
(39°F)		 11°C
(52°F)		 17°C
(63°F)		 20°C
(68°F)		 21°C
(70°F)		 14°C
(57°F)		 3°C
(38°F)		 -3°C
(26°F)		 -2°C
(28°F)

Compare climate in Gueydan with other places

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

Monthly average precipitation in Gueydan, Louisiana, United States §

Gueydan usually has the most precipitation in June, July and August, with an average of 18 rainy days and 184 mm (7.2 inches) of precipitation per month.The driest months in Gueydan are February, March and November. On average, 81 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gueydan, 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) 102 (4.0) 101 (4.0) 59 (2.3) 130 (5.1) 159 (6.2) 160 (6.3) 187 (7.3) 204 (8.0) 136 (5.4) 112 (4.4) 82 (3.2) 114 (4.5)
Average precipitation days (≥ 1 mm) 9 12 10 10 11 17 19 20 15 10 8 9

Monthly sunshine hours in Gueydan, Louisiana, United States §

The sunniest months in Gueydan are May, July and August, when the sun shines an average of 10 hours 12 minutes a day.Least sunny months in Gueydan: January, February and December receive an average of 6 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gueydan, 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 178 186 264 279 319 306 318 311 278 282 256 220
Mean daily daylight hours 10h 26m 11h 7m 12h 0m 12h 54m 13h 40m 14h 2m 13h 50m 13h 9m 12h 17m 11h 23m 10h 37m 10h 13m

Solar UV radiation in Gueydan, Louisiana, United States §

Gueydan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 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 7. For more detailed information, check out our hourly Gueydan UV Index data.

Average daily maximum UV levels by month for Gueydan, 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 12 11 9 7 5