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Monthly climate in Brunswick, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brunswick features a humid subtropical climate (Cfa).Temperatures typically range between -1 °C (30 °F) and 26 °C (80 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1179 mm (46.4 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually.Brunswick enjoys an average of 3040 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Brunswick, Missouri, United States §

The warmest months in Brunswick 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 -1 to 3 °C (30 - 37 °F) throughout the day. On average each year, Brunswick experiences 113 days above 25 °C (77.0 °F) and 89 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brunswick, 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
(62°F)		 23°C
(74°F)		 26°C
(79°F)		 30°C
(86°F)		 34°C
(94°F)		 37°C
(98°F)		 36°C
(98°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(90°F)		 25°C
(77°F)		 24°C
(75°F)
Mean maximum 15°C
(59°F)		 19°C
(67°F)		 23°C
(74°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(91°F)		 30°C
(87°F)		 21°C
(69°F)		 19°C
(67°F)
Average high 3°C
(38°F)		 5°C
(42°F)		 13°C
(55°F)		 18°C
(64°F)		 24°C
(75°F)		 29°C
(85°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)		 19°C
(67°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
(76°F)		 26°C
(80°F)		 24°C
(76°F)		 22°C
(72°F)		 14°C
(57°F)		 6°C
(44°F)		 3°C
(37°F)
Average low -5°C
(23°F)		 -5°C
(24°F)		 3°C
(37°F)		 7°C
(44°F)		 14°C
(58°F)		 19°C
(67°F)		 22°C
(71°F)		 20°C
(67°F)		 17°C
(62°F)		 9°C
(49°F)		 1°C
(35°F)		 -2°C
(29°F)
Mean minimum -17°C
(2°F)		 -18°C
(-0°F)		 -9°C
(16°F)		 -4°C
(26°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(64°F)		 14°C
(57°F)		 8°C
(47°F)		 -1°C
(30°F)		 -9°C
(16°F)		 -12°C
(11°F)
Minimum -23°C
(-10°F)		 -26°C
(-15°F)		 -16°C
(3°F)		 -7°C
(20°F)		 3°C
(38°F)		 12°C
(53°F)		 16°C
(62°F)		 12°C
(54°F)		 5°C
(41°F)		 -4°C
(25°F)		 -14°C
(7°F)		 -19°C
(-2°F)

Compare climate in Brunswick with other places

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

Monthly average precipitation in Brunswick, Missouri, United States §

Brunswick usually has the most precipitation in May, June and October, with an average of 12 rainy days and 161 mm (6.3 inches) of precipitation per month.The driest months in Brunswick are February, November and December. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brunswick, 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) 62 (2.4) 51 (2.0) 115 (4.5) 92 (3.6) 220 (8.6) 143 (5.6) 114 (4.5) 99 (3.9) 78 (3.1) 121 (4.7) 49 (1.9) 37 (1.4)
Average precipitation days (≥ 1 mm) 7 8 11 10 15 10 8 10 6 11 7 5

Monthly sunshine hours in Brunswick, Missouri, United States §

The sunniest months in Brunswick are June, July and August, when the sun shines an average of 11 hours 4 minutes a day.Least sunny months in Brunswick: January, February and November receive an average of 5 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brunswick, 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 137 187 212 256 278 331 357 329 287 239 210 212
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 16m 14h 21m 14h 53m 14h 35m 13h 37m 12h 23m 11h 6m 9h 59m 9h 25m

Solar UV radiation in Brunswick, Missouri, United States §

Brunswick 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 Brunswick UV Index data.

Average daily maximum UV levels by month for Brunswick, 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