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Monthly climate in Chillicothe, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Chillicothe features a humid continental climate (Dfa).Temperatures typically range between -2 °C (29 °F) and 26 °C (80 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1142 mm (45.0 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually.Chillicothe enjoys an average of 3034 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Chillicothe, Missouri, United States §

The warmest months in Chillicothe are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 2 °C (29 - 36 °F) throughout the day. On average each year, Chillicothe experiences 113 days above 25 °C (77.0 °F) and 92 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chillicothe, 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 16°C
(61°F)		 23°C
(74°F)		 25°C
(77°F)		 30°C
(86°F)		 35°C
(95°F)		 37°C
(100°F)		 38°C
(100°F)		 36°C
(98°F)		 34°C
(93°F)		 32°C
(90°F)		 25°C
(76°F)		 24°C
(75°F)
Mean maximum 14°C
(58°F)		 19°C
(66°F)		 23°C
(74°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 36°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 30°C
(86°F)		 20°C
(69°F)		 19°C
(66°F)
Average high 3°C
(37°F)		 5°C
(41°F)		 12°C
(55°F)		 17°C
(64°F)		 24°C
(75°F)		 30°C
(86°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)		 19°C
(66°F)		 11°C
(52°F)		 8°C
(46°F)
Daily mean -2°C
(29°F)		 -0°C
(31°F)		 7°C
(45°F)		 12°C
(53°F)		 19°C
(66°F)		 25°C
(77°F)		 26°C
(80°F)		 24°C
(76°F)		 22°C
(71°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(36°F)
Average low -6°C
(22°F)		 -5°C
(22°F)		 2°C
(37°F)		 6°C
(43°F)		 14°C
(57°F)		 19°C
(67°F)		 21°C
(71°F)		 19°C
(67°F)		 16°C
(62°F)		 9°C
(48°F)		 1°C
(34°F)		 -2°C
(28°F)
Mean minimum -18°C
(-1°F)		 -19°C
(-2°F)		 -9°C
(15°F)		 -4°C
(25°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(62°F)		 14°C
(57°F)		 8°C
(47°F)		 -2°C
(30°F)		 -10°C
(15°F)		 -12°C
(10°F)
Minimum -26°C
(-15°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -8°C
(19°F)		 3°C
(39°F)		 12°C
(54°F)		 15°C
(60°F)		 11°C
(53°F)		 6°C
(43°F)		 -4°C
(26°F)		 -14°C
(7°F)		 -20°C
(-4°F)

Compare climate in Chillicothe with other places

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

Monthly average precipitation in Chillicothe, Missouri, United States §

Chillicothe usually has the most precipitation in May, June and October, with an average of 11 rainy days and 156 mm (6.1 inches) of precipitation per month.The driest months in Chillicothe are February, November and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chillicothe, 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) 58 (2.3) 47 (1.8) 104 (4.1) 83 (3.3) 197 (7.7) 144 (5.7) 110 (4.3) 103 (4.1) 85 (3.3) 128 (5.0) 50 (2.0) 34 (1.4)
Average precipitation days (≥ 1 mm) 6 8 11 10 15 9 9 9 8 11 7 5

Monthly sunshine hours in Chillicothe, Missouri, United States §

The sunniest months in Chillicothe are June, July and August, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in Chillicothe: January, February and November receive an average of 5 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chillicothe, 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 140 189 211 255 274 331 357 327 285 238 209 213
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 23m 14h 55m 14h 37m 13h 38m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Chillicothe, Missouri, United States §

Chillicothe 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, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Chillicothe UV Index data.

Average daily maximum UV levels by month for Chillicothe, 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 6 4 3