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Monthly climate in Hamilton, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hamilton features a humid continental climate (Dfa).Temperatures typically range between -2 °C (29 °F) and 26 °C (79 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1126 mm (44.3 inches) and receives 106 rainy days on the 1 mm (0.04 inches) threshold annually.Hamilton enjoys an average of 3054 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 Hamilton, Missouri, United States §

The warmest months in Hamilton 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 2 °C (29 - 36 °F) throughout the day. On average each year, Hamilton experiences 111 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hamilton, 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)		 24°C
(75°F)		 25°C
(78°F)		 29°C
(85°F)		 35°C
(95°F)		 37°C
(99°F)		 37°C
(99°F)		 36°C
(97°F)		 33°C
(92°F)		 32°C
(90°F)		 24°C
(75°F)		 23°C
(74°F)
Mean maximum 14°C
(58°F)		 19°C
(66°F)		 23°C
(74°F)		 28°C
(83°F)		 32°C
(89°F)		 34°C
(93°F)		 35°C
(96°F)		 34°C
(94°F)		 32°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
(54°F)		 17°C
(63°F)		 23°C
(74°F)		 30°C
(85°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)		 18°C
(65°F)		 11°C
(52°F)		 7°C
(46°F)
Daily mean -2°C
(29°F)		 -1°C
(31°F)		 7°C
(45°F)		 12°C
(53°F)		 18°C
(65°F)		 25°C
(76°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(71°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(36°F)
Average low -6°C
(21°F)		 -6°C
(22°F)		 2°C
(36°F)		 6°C
(43°F)		 14°C
(57°F)		 19°C
(67°F)		 21°C
(71°F)		 19°C
(67°F)		 16°C
(61°F)		 8°C
(47°F)		 1°C
(34°F)		 -2°C
(28°F)
Mean minimum -19°C
(-2°F)		 -19°C
(-1°F)		 -10°C
(15°F)		 -4°C
(24°F)		 5°C
(42°F)		 14°C
(57°F)		 17°C
(62°F)		 13°C
(56°F)		 8°C
(47°F)		 -1°C
(30°F)		 -10°C
(15°F)		 -13°C
(10°F)
Minimum -26°C
(-14°F)		 -28°C
(-18°F)		 -19°C
(-1°F)		 -8°C
(17°F)		 3°C
(38°F)		 11°C
(53°F)		 15°C
(59°F)		 11°C
(52°F)		 6°C
(44°F)		 -2°C
(28°F)		 -15°C
(6°F)		 -21°C
(-5°F)

Compare climate in Hamilton with other places

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

Monthly average precipitation in Hamilton, Missouri, United States §

Hamilton usually has the most precipitation in May, June and October, with an average of 12 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in Hamilton are February, November and December. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hamilton, 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) 54 (2.1) 40 (1.6) 98 (3.8) 84 (3.3) 200 (7.9) 133 (5.2) 110 (4.3) 98 (3.9) 93 (3.6) 134 (5.3) 50 (2.0) 33 (1.3)
Average precipitation days (≥ 1 mm) 6 7 10 9 15 10 9 9 9 11 7 4

Monthly sunshine hours in Hamilton, Missouri, United States §

The sunniest months in Hamilton are June, July and August, when the sun shines an average of 11 hours 6 minutes a day.Least sunny months in Hamilton: January, February and November receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hamilton, 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 144 192 211 256 277 334 360 327 283 242 210 214
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 22m 14h 55m 14h 37m 13h 38m 12h 23m 11h 5m 9h 58m 9h 23m

Solar UV radiation in Hamilton, Missouri, United States §

Hamilton 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 Hamilton UV Index data.

Average daily maximum UV levels by month for Hamilton, 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