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Monthly climate in Warrenton, Missouri, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Warrenton features a humid subtropical climate (Cfa). Temperatures typically range between 0 °C (32 °F) and 26 °C (79 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1146 mm (45.1 inches) and receives 120 rainy days on the 1 mm (0.04 inches) threshold annually. Warrenton enjoys an average of 2947 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Warrenton, Missouri, United States §

The warmest months in Warrenton are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 4 °C (32 - 39 °F) throughout the day. On average each year, Warrenton experiences 119 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 Warrenton, 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 20°C
(68°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 34°C
(94°F)		 37°C
(99°F)		 38°C
(101°F)		 36°C
(96°F)		 35°C
(95°F)		 33°C
(91°F)		 25°C
(77°F)		 23°C
(73°F)
Mean maximum 17°C
(62°F)		 21°C
(70°F)		 24°C
(76°F)		 29°C
(85°F)		 32°C
(89°F)		 34°C
(93°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 31°C
(89°F)		 22°C
(71°F)		 20°C
(69°F)
Average high 4°C
(40°F)		 7°C
(44°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(76°F)		 30°C
(85°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(83°F)		 20°C
(69°F)		 12°C
(54°F)		 9°C
(48°F)
Daily mean 0°C
(32°F)		 2°C
(35°F)		 8°C
(47°F)		 12°C
(55°F)		 19°C
(66°F)		 24°C
(76°F)		 26°C
(79°F)		 24°C
(76°F)		 22°C
(72°F)		 15°C
(58°F)		 7°C
(44°F)		 4°C
(39°F)
Average low -4°C
(25°F)		 -3°C
(27°F)		 3°C
(39°F)		 7°C
(45°F)		 14°C
(58°F)		 19°C
(67°F)		 22°C
(71°F)		 19°C
(67°F)		 17°C
(62°F)		 10°C
(50°F)		 2°C
(36°F)		 -1°C
(31°F)
Mean minimum -16°C
(4°F)		 -15°C
(5°F)		 -8°C
(18°F)		 -1°C
(30°F)		 6°C
(44°F)		 15°C
(59°F)		 17°C
(63°F)		 15°C
(59°F)		 9°C
(49°F)		 -0°C
(32°F)		 -8°C
(19°F)		 -11°C
(13°F)
Minimum -21°C
(-6°F)		 -20°C
(-4°F)		 -17°C
(3°F)		 -5°C
(23°F)		 4°C
(40°F)		 12°C
(54°F)		 16°C
(61°F)		 13°C
(56°F)		 8°C
(46°F)		 -4°C
(26°F)		 -14°C
(7°F)		 -17°C
(2°F)

Compare climate in Warrenton with other places

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

Monthly average precipitation in Warrenton, Missouri, United States §

Warrenton usually has the most precipitation in March, May and August, with an average of 13 rainy days and 140 mm (5.5 inches) of precipitation per month. The driest months in Warrenton are September, November and December. On average, 57 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Warrenton, 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) 71 (2.8) 73 (2.9) 125 (4.9) 122 (4.8) 156 (6.1) 90 (3.5) 99 (3.9) 139 (5.5) 56 (2.2) 100 (3.9) 66 (2.6) 49 (1.9)
Average precipitation days (≥ 1 mm) 7 9 12 12 16 11 10 11 6 11 9 6

Monthly sunshine hours in Warrenton, Missouri, United States §

The sunniest months in Warrenton are June, July and August, when the sun shines an average of 10 hours 48 minutes a day. Least sunny months in Warrenton: January, February and December receive an average of 5 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Warrenton, 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 126 176 204 239 280 324 346 324 284 233 208 198
Mean daily daylight hours 9h 47m 10h 44m 11h 58m 13h 14m 14h 18m 14h 49m 14h 32m 13h 35m 12h 23m 11h 7m 10h 2m 9h 28m

Solar UV radiation in Warrenton, Missouri, United States §

Warrenton 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 Warrenton UV Index data.

Average daily maximum UV levels by month for Warrenton, 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 6 9 10 11 11 10 9 7 5 3

Detailed Monthly Weather Insights for Warrenton, Missouri, United States

Discover in-depth weather details for every month in Warrenton. 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 Warrenton'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.