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Monthly climate in Saint Martins, Missouri, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Saint Martins features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (33 °F) and 26 °C (80 °F) through the year, but rarely can drop to -23 °C (-8 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1095 mm (43.1 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. Saint Martins enjoys an average of 2995 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Saint Martins, Missouri, United States §

The warmest months in Saint Martins are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (33 - 40 °F) throughout the day. On average each year, Saint Martins experiences 121 days above 25 °C (77.0 °F) and 77 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 Martins, Missouri, 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 21°C
(69°F)		 24°C
(76°F)		 30°C
(86°F)		 32°C
(89°F)		 35°C
(94°F)		 38°C
(100°F)		 38°C
(101°F)		 37°C
(98°F)		 35°C
(96°F)		 33°C
(92°F)		 24°C
(76°F)		 24°C
(76°F)
Mean maximum 17°C
(63°F)		 22°C
(71°F)		 25°C
(78°F)		 30°C
(86°F)		 32°C
(89°F)		 34°C
(94°F)		 37°C
(98°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(89°F)		 22°C
(72°F)		 21°C
(70°F)
Average high 5°C
(42°F)		 7°C
(46°F)		 14°C
(58°F)		 19°C
(66°F)		 24°C
(76°F)		 30°C
(86°F)		 32°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 20°C
(69°F)		 13°C
(55°F)		 10°C
(49°F)
Daily mean 1°C
(33°F)		 2°C
(36°F)		 9°C
(48°F)		 13°C
(55°F)		 19°C
(67°F)		 25°C
(77°F)		 26°C
(80°F)		 25°C
(77°F)		 22°C
(73°F)		 15°C
(59°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -3°C
(26°F)		 -3°C
(27°F)		 4°C
(39°F)		 7°C
(45°F)		 14°C
(58°F)		 20°C
(68°F)		 22°C
(71°F)		 20°C
(68°F)		 17°C
(63°F)		 10°C
(50°F)		 2°C
(36°F)		 -0°C
(32°F)
Mean minimum -15°C
(6°F)		 -15°C
(5°F)		 -8°C
(18°F)		 -2°C
(29°F)		 7°C
(44°F)		 15°C
(59°F)		 17°C
(64°F)		 15°C
(59°F)		 9°C
(49°F)		 -0°C
(32°F)		 -7°C
(19°F)		 -10°C
(14°F)
Minimum -20°C
(-4°F)		 -23°C
(-8°F)		 -16°C
(4°F)		 -5°C
(23°F)		 4°C
(40°F)		 12°C
(54°F)		 16°C
(60°F)		 13°C
(56°F)		 7°C
(45°F)		 -4°C
(26°F)		 -13°C
(9°F)		 -15°C
(4°F)

Compare climate in Saint Martins with other places

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

Monthly average precipitation in Saint Martins, Missouri, United States §

Saint Martins usually has the most precipitation in March, April and May, with an average of 13 rainy days and 136 mm (5.3 inches) of precipitation per month. The driest months in Saint Martins are September, November and December. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Martins, Missouri, 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) 70 (2.8) 65 (2.6) 120 (4.7) 124 (4.9) 163 (6.4) 95 (3.7) 108 (4.3) 94 (3.7) 56 (2.2) 99 (3.9) 59 (2.3) 41 (1.6)
Average precipitation days (≥ 1 mm) 7 8 12 12 15 12 9 11 6 12 8 6

Monthly sunshine hours in Saint Martins, Missouri, United States §

The sunniest months in Saint Martins are June, July and August, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Saint Martins: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Martins, Missouri, 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 136 182 212 244 278 325 348 322 285 239 215 202
Mean daily daylight hours 9h 48m 10h 46m 11h 58m 13h 13m 14h 16m 14h 47m 14h 30m 13h 34m 12h 22m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Saint Martins, Missouri, United States §

Saint Martins experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Saint Martins UV Index data.

Average daily maximum UV levels by month for Saint Martins, Missouri, 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) 3 5 7 9 10 11 11 10 9 7 5 3

Detailed Monthly Weather Insights for Saint Martins, Missouri, United States

Discover in-depth weather details for every month in Saint Martins. 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 Martins'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.