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Monthly climate in Dearborn, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dearborn features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 26 °C (80 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1053 mm (41.5 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually.Dearborn enjoys an average of 3081 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Dearborn, Missouri, United States §

The warmest months in Dearborn are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (30 - 37 °F) throughout the day. On average each year, Dearborn experiences 114 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 Dearborn, 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)		 29°C
(84°F)		 30°C
(85°F)		 35°C
(95°F)		 38°C
(100°F)		 37°C
(99°F)		 37°C
(99°F)		 33°C
(92°F)		 32°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
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 30°C
(87°F)		 21°C
(70°F)		 18°C
(66°F)
Average high 4°C
(39°F)		 5°C
(41°F)		 13°C
(55°F)		 18°C
(64°F)		 23°C
(74°F)		 30°C
(86°F)		 31°C
(88°F)		 30°C
(85°F)		 27°C
(81°F)		 19°C
(66°F)		 11°C
(53°F)		 8°C
(47°F)
Daily mean -1°C
(30°F)		 -0°C
(32°F)		 7°C
(46°F)		 12°C
(54°F)		 19°C
(66°F)		 25°C
(77°F)		 26°C
(80°F)		 25°C
(77°F)		 22°C
(72°F)		 13°C
(56°F)		 6°C
(43°F)		 2°C
(37°F)
Average low -6°C
(22°F)		 -5°C
(22°F)		 3°C
(37°F)		 6°C
(44°F)		 14°C
(57°F)		 20°C
(68°F)		 22°C
(71°F)		 20°C
(68°F)		 17°C
(62°F)		 9°C
(48°F)		 1°C
(34°F)		 -2°C
(28°F)
Mean minimum -18°C
(-0°F)		 -18°C
(-0°F)		 -10°C
(15°F)		 -4°C
(26°F)		 5°C
(42°F)		 14°C
(58°F)		 17°C
(63°F)		 14°C
(57°F)		 9°C
(48°F)		 -1°C
(31°F)		 -9°C
(15°F)		 -12°C
(10°F)
Minimum -24°C
(-10°F)		 -28°C
(-18°F)		 -20°C
(-3°F)		 -8°C
(18°F)		 3°C
(38°F)		 11°C
(52°F)		 15°C
(60°F)		 12°C
(54°F)		 7°C
(44°F)		 -2°C
(28°F)		 -14°C
(7°F)		 -19°C
(-3°F)

Compare climate in Dearborn with other places

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

Monthly average precipitation in Dearborn, Missouri, United States §

Dearborn 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 Dearborn are January, February and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dearborn, 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) 48 (1.9) 34 (1.4) 90 (3.6) 80 (3.2) 202 (7.9) 116 (4.6) 87 (3.4) 110 (4.3) 77 (3.0) 122 (4.8) 48 (1.9) 36 (1.4)
Average precipitation days (≥ 1 mm) 5 6 10 10 15 10 8 10 7 10 6 4

Monthly sunshine hours in Dearborn, Missouri, United States §

The sunniest months in Dearborn are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Dearborn: 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 Dearborn, 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 43m 10h 43m 11h 58m 13h 16m 14h 21m 14h 53m 14h 36m 13h 38m 12h 23m 11h 6m 9h 59m 9h 24m

Solar UV radiation in Dearborn, Missouri, United States §

Dearborn 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 Dearborn UV Index data.

Average daily maximum UV levels by month for Dearborn, 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