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Monthly climate in Saint Martinville, Louisiana, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Saint Martinville 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 -9 °C (17 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1511 mm (59.5 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Saint Martinville enjoys an average of 3168 hours of sunshine throughout the year, and daylight varies from 10 hours 12 minutes to 14 hours 3 minutes per day.

Monthly average temperatures in Saint Martinville, Louisiana, United States §

The warmest months in Saint Martinville 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, Saint Martinville experiences 201 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint Martinville, 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
(82°F)		 28°C
(83°F)		 30°C
(86°F)		 33°C
(91°F)		 36°C
(97°F)		 36°C
(96°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(96°F)		 35°C
(96°F)		 29°C
(85°F)		 29°C
(84°F)
Mean maximum 25°C
(77°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(87°F)		 34°C
(93°F)		 34°C
(94°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(91°F)		 28°C
(83°F)		 27°C
(80°F)
Average high 17°C
(63°F)		 20°C
(68°F)		 23°C
(74°F)		 26°C
(79°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(83°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 12°C
(54°F)		 15°C
(59°F)		 18°C
(65°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(82°F)		 26°C
(80°F)		 23°C
(73°F)		 16°C
(61°F)		 14°C
(57°F)
Average low 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 22°C
(72°F)		 18°C
(65°F)		 10°C
(51°F)		 9°C
(48°F)
Mean minimum -3°C
(26°F)		 -0°C
(32°F)		 3°C
(37°F)		 6°C
(43°F)		 14°C
(57°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(63°F)		 9°C
(48°F)		 1°C
(35°F)		 -1°C
(31°F)
Minimum -9°C
(17°F)		 -8°C
(19°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(52°F)		 17°C
(63°F)		 20°C
(68°F)		 20°C
(68°F)		 13°C
(56°F)		 4°C
(39°F)		 -3°C
(26°F)		 -3°C
(28°F)

Compare climate in Saint Martinville with other places

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

Monthly average precipitation in Saint Martinville, Louisiana, United States §

Saint Martinville usually has the most precipitation in June, July and August, with an average of 19 rainy days and 174 mm (6.9 inches) of precipitation per month. The driest months in Saint Martinville are January, March and November. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Martinville, 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) 101 (4.0) 106 (4.2) 74 (2.9) 136 (5.3) 147 (5.8) 165 (6.5) 193 (7.6) 164 (6.5) 132 (5.2) 106 (4.2) 80 (3.2) 108 (4.2)
Average precipitation days (≥ 1 mm) 9 13 10 11 11 17 20 20 14 10 8 11

Monthly sunshine hours in Saint Martinville, Louisiana, United States §

The sunniest months in Saint Martinville are May, July and August, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Saint Martinville: January, February and December receive an average of 6 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Martinville, 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 175 188 259 277 315 298 312 309 279 281 256 213
Mean daily daylight hours 10h 25m 11h 7m 12h 0m 12h 55m 13h 41m 14h 3m 13h 51m 13h 10m 12h 18m 11h 23m 10h 36m 10h 12m

Solar UV radiation in Saint Martinville, Louisiana, United States §

Saint Martinville 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 Saint Martinville UV Index data.

Average daily maximum UV levels by month for Saint Martinville, 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 10 9 6 5

Detailed Monthly Weather Insights for Saint Martinville, Louisiana, United States

Discover in-depth weather details for every month in Saint Martinville. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Saint Martinville's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.