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Monthly climate in Kirkwood, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kirkwood features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (33 °F) and 26 °C (80 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1176 mm (46.3 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Kirkwood enjoys an average of 2989 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 48 minutes per day.

Monthly average temperatures in Kirkwood, Missouri, United States §

The warmest months in Kirkwood are June, July and August, with daily mean temperatures ranging from 25 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 0 to 4 °C (33 - 40 °F) throughout the day. On average each year, Kirkwood experiences 122 days above 25 °C (77.0 °F) and 74 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kirkwood, 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 20°C
(68°F)		 25°C
(77°F)		 28°C
(83°F)		 31°C
(88°F)		 34°C
(93°F)		 36°C
(98°F)		 39°C
(102°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(93°F)		 26°C
(78°F)		 23°C
(74°F)
Mean maximum 17°C
(63°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(93°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 23°C
(73°F)		 21°C
(69°F)
Average high 5°C
(41°F)		 7°C
(46°F)		 14°C
(57°F)		 18°C
(65°F)		 24°C
(76°F)		 30°C
(86°F)		 31°C
(89°F)		 30°C
(85°F)		 28°C
(83°F)		 21°C
(70°F)		 12°C
(55°F)		 9°C
(49°F)
Daily mean 0°C
(33°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(55°F)		 19°C
(67°F)		 25°C
(77°F)		 26°C
(80°F)		 25°C
(76°F)		 22°C
(72°F)		 15°C
(59°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -4°C
(26°F)		 -3°C
(27°F)		 4°C
(39°F)		 8°C
(46°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(72°F)		 20°C
(68°F)		 17°C
(63°F)		 10°C
(50°F)		 2°C
(36°F)		 -1°C
(31°F)
Mean minimum -15°C
(4°F)		 -14°C
(6°F)		 -8°C
(18°F)		 -1°C
(31°F)		 7°C
(44°F)		 15°C
(59°F)		 17°C
(63°F)		 14°C
(58°F)		 9°C
(49°F)		 0°C
(32°F)		 -7°C
(19°F)		 -10°C
(14°F)
Minimum -21°C
(-5°F)		 -19°C
(-2°F)		 -16°C
(3°F)		 -4°C
(25°F)		 4°C
(40°F)		 12°C
(54°F)		 16°C
(61°F)		 12°C
(55°F)		 7°C
(46°F)		 -4°C
(26°F)		 -13°C
(9°F)		 -16°C
(3°F)

Compare climate in Kirkwood with other places

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

Monthly average precipitation in Kirkwood, Missouri, United States §

Kirkwood usually has the most precipitation in March, May and August, with an average of 12 rainy days and 136 mm (5.3 inches) of precipitation per month.The driest months in Kirkwood are September, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kirkwood, 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) 76 (3.0) 82 (3.2) 131 (5.2) 128 (5.0) 141 (5.5) 95 (3.8) 93 (3.6) 135 (5.3) 57 (2.2) 106 (4.2) 73 (2.9) 60 (2.4)
Average precipitation days (≥ 1 mm) 8 10 12 12 13 11 10 12 7 11 9 7

Monthly sunshine hours in Kirkwood, Missouri, United States §

The sunniest months in Kirkwood are June, July and August, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in Kirkwood: January, February and December receive an average of 5 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kirkwood, 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 127 176 207 239 289 328 348 328 291 242 214 195
Mean daily daylight hours 9h 48m 10h 45m 11h 58m 13h 13m 14h 17m 14h 48m 14h 31m 13h 35m 12h 23m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Kirkwood, Missouri, United States §

Kirkwood experiences the highest level of ultraviolet (UV) radiation in May, June 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, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Kirkwood UV Index data.

Average daily maximum UV levels by month for Kirkwood, 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 7 9 10 11 10 10 9 7 5 3