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Monthly climate in Exeter, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Exeter features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 26 °C (79 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1357 mm (53.4 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Exeter enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.

Monthly average temperatures in Exeter, Missouri, United States §

The warmest months in Exeter 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 2 to 6 °C (36 - 42 °F) throughout the day. On average each year, Exeter experiences 120 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Exeter, 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
(70°F)		 27°C
(81°F)		 29°C
(85°F)		 30°C
(87°F)		 33°C
(91°F)		 35°C
(95°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(79°F)		 24°C
(75°F)
Mean maximum 18°C
(65°F)		 22°C
(73°F)		 25°C
(78°F)		 28°C
(83°F)		 30°C
(87°F)		 33°C
(91°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 30°C
(87°F)		 23°C
(74°F)		 21°C
(69°F)
Average high 7°C
(45°F)		 9°C
(49°F)		 16°C
(60°F)		 19°C
(66°F)		 24°C
(75°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 21°C
(70°F)		 14°C
(58°F)		 11°C
(52°F)
Daily mean 2°C
(36°F)		 4°C
(39°F)		 10°C
(50°F)		 13°C
(56°F)		 19°C
(66°F)		 24°C
(76°F)		 26°C
(79°F)		 25°C
(77°F)		 23°C
(73°F)		 15°C
(59°F)		 8°C
(47°F)		 6°C
(42°F)
Average low -2°C
(28°F)		 -1°C
(30°F)		 5°C
(41°F)		 8°C
(47°F)		 14°C
(58°F)		 19°C
(67°F)		 21°C
(71°F)		 20°C
(69°F)		 18°C
(64°F)		 10°C
(50°F)		 3°C
(38°F)		 1°C
(34°F)
Mean minimum -12°C
(10°F)		 -13°C
(8°F)		 -6°C
(21°F)		 -2°C
(29°F)		 6°C
(43°F)		 14°C
(58°F)		 17°C
(63°F)		 16°C
(60°F)		 10°C
(49°F)		 1°C
(33°F)		 -6°C
(21°F)		 -8°C
(19°F)
Minimum -18°C
(-1°F)		 -24°C
(-11°F)		 -15°C
(5°F)		 -5°C
(23°F)		 3°C
(38°F)		 11°C
(53°F)		 15°C
(59°F)		 14°C
(57°F)		 7°C
(45°F)		 -3°C
(28°F)		 -12°C
(11°F)		 -12°C
(11°F)

Compare climate in Exeter with other places

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

Monthly average precipitation in Exeter, Missouri, United States §

Exeter usually has the most precipitation in April, May and October, with an average of 12 rainy days and 169 mm (6.7 inches) of precipitation per month.The driest months in Exeter are September, November and December. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Exeter, 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) 91 (3.6) 95 (3.7) 159 (6.3) 174 (6.8) 172 (6.8) 104 (4.1) 93 (3.7) 120 (4.7) 56 (2.2) 161 (6.3) 70 (2.7) 61 (2.4)
Average precipitation days (≥ 1 mm) 8 9 12 13 13 10 10 13 7 11 8 7

Monthly sunshine hours in Exeter, Missouri, United States §

The sunniest months in Exeter are June, July and August, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in Exeter: January, February and March receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Exeter, 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 151 177 212 244 287 335 352 317 288 243 219 216
Mean daily daylight hours 9h 57m 10h 50m 11h 59m 13h 9m 14h 8m 14h 37m 14h 21m 13h 29m 12h 21m 11h 11m 10h 11m 9h 40m

Solar UV radiation in Exeter, Missouri, United States §

Exeter experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November 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 Exeter UV Index data.

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