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Monthly climate in Saint Joseph, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint Joseph 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 -30 °C (-22 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1066 mm (42.0 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually.Saint Joseph enjoys an average of 3081 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 Saint Joseph, Missouri, United States §

The warmest months in Saint Joseph are June, July and August, with daily mean temperatures ranging from 25 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, Saint Joseph experiences 113 days above 25 °C (77.0 °F) and 95 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 Joseph, 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 17°C
(63°F)		 24°C
(76°F)		 28°C
(83°F)		 30°C
(86°F)		 36°C
(97°F)		 38°C
(101°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(95°F)		 33°C
(91°F)		 25°C
(77°F)		 23°C
(74°F)
Mean maximum 15°C
(60°F)		 19°C
(67°F)		 24°C
(76°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 36°C
(97°F)		 35°C
(94°F)		 33°C
(92°F)		 30°C
(87°F)		 21°C
(70°F)		 18°C
(65°F)
Average high 3°C
(38°F)		 5°C
(41°F)		 13°C
(55°F)		 17°C
(64°F)		 23°C
(74°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)		 -1°C
(31°F)		 7°C
(45°F)		 12°C
(53°F)		 18°C
(65°F)		 25°C
(77°F)		 26°C
(79°F)		 25°C
(76°F)		 22°C
(71°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(36°F)
Average low -6°C
(21°F)		 -6°C
(21°F)		 2°C
(36°F)		 6°C
(43°F)		 14°C
(57°F)		 20°C
(68°F)		 21°C
(71°F)		 20°C
(68°F)		 16°C
(62°F)		 8°C
(47°F)		 1°C
(33°F)		 -3°C
(27°F)
Mean minimum -19°C
(-2°F)		 -19°C
(-1°F)		 -10°C
(14°F)		 -4°C
(25°F)		 5°C
(41°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
(9°F)
Minimum -26°C
(-14°F)		 -30°C
(-22°F)		 -20°C
(-4°F)		 -9°C
(17°F)		 3°C
(38°F)		 11°C
(51°F)		 15°C
(59°F)		 12°C
(53°F)		 6°C
(44°F)		 -3°C
(28°F)		 -14°C
(6°F)		 -20°C
(-4°F)

Compare climate in Saint Joseph with other places

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

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

Saint Joseph usually has the most precipitation in May, June and October, with an average of 11 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Saint Joseph are January, February and December. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Joseph, 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) 46 (1.8) 34 (1.3) 91 (3.6) 82 (3.2) 180 (7.1) 129 (5.1) 97 (3.8) 106 (4.2) 85 (3.4) 132 (5.2) 47 (1.8) 37 (1.4)
Average precipitation days (≥ 1 mm) 6 7 10 9 15 9 8 9 8 10 5 3

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

The sunniest months in Saint Joseph are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Saint Joseph: January, February and November receive an average of 6 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Joseph, 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 149 198 217 258 275 337 364 325 280 243 211 217
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 57m 9h 23m

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

Saint Joseph 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 Saint Joseph UV Index data.

Average daily maximum UV levels by month for Saint Joseph, 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