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Monthly climate in Reardan, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Reardan features a humid continental climate (Dsb).Temperatures typically range between -1 °C (30 °F) and 24 °C (75 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 492 mm (19.4 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually.Reardan enjoys an average of 3063 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 54 minutes per day.

Monthly average temperatures in Reardan, Washington, United States §

The warmest months in Reardan are June, July and August, with daily mean temperatures ranging from 19 to 24 °C (67 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to -1 °C (30 - 31 °F) throughout the day. On average each year, Reardan experiences 70 days above 25 °C (77.0 °F) and 106 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Reardan, Washington, 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 10°C
(51°F)		 14°C
(57°F)		 19°C
(67°F)		 27°C
(80°F)		 30°C
(87°F)		 43°C
(110°F)		 41°C
(106°F)		 39°C
(102°F)		 35°C
(94°F)		 26°C
(80°F)		 16°C
(61°F)		 16°C
(60°F)
Mean maximum 8°C
(46°F)		 9°C
(49°F)		 16°C
(61°F)		 22°C
(72°F)		 28°C
(83°F)		 32°C
(90°F)		 37°C
(99°F)		 38°C
(100°F)		 32°C
(89°F)		 21°C
(70°F)		 14°C
(58°F)		 10°C
(50°F)
Average high 1°C
(35°F)		 3°C
(37°F)		 9°C
(49°F)		 14°C
(57°F)		 20°C
(69°F)		 25°C
(77°F)		 31°C
(87°F)		 30°C
(86°F)		 23°C
(73°F)		 14°C
(57°F)		 6°C
(44°F)		 2°C
(35°F)
Daily mean -1°C
(30°F)		 -1°C
(30°F)		 4°C
(40°F)		 9°C
(48°F)		 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 23°C
(73°F)		 17°C
(62°F)		 8°C
(47°F)		 3°C
(38°F)		 -1°C
(31°F)
Average low -4°C
(25°F)		 -5°C
(23°F)		 -0°C
(32°F)		 3°C
(38°F)		 9°C
(48°F)		 13°C
(55°F)		 16°C
(60°F)		 15°C
(60°F)		 11°C
(51°F)		 4°C
(39°F)		 -0°C
(32°F)		 -3°C
(26°F)
Mean minimum -16°C
(4°F)		 -13°C
(9°F)		 -8°C
(17°F)		 -3°C
(28°F)		 3°C
(37°F)		 7°C
(45°F)		 11°C
(52°F)		 10°C
(50°F)		 4°C
(40°F)		 -4°C
(24°F)		 -7°C
(20°F)		 -12°C
(11°F)
Minimum -24°C
(-12°F)		 -18°C
(-1°F)		 -16°C
(4°F)		 -5°C
(24°F)		 0°C
(33°F)		 6°C
(43°F)		 10°C
(50°F)		 7°C
(45°F)		 1°C
(35°F)		 -10°C
(15°F)		 -10°C
(14°F)		 -19°C
(-2°F)

Compare climate in Reardan with other places

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

Monthly average precipitation in Reardan, Washington, United States §

Reardan usually has the most precipitation in January, November and December, with an average of 11 rainy days and 64 mm (2.5 inches) of precipitation per month.The driest months in Reardan are June, July and August. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Reardan, Washington, 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) 68 (2.7) 53 (2.1) 53 (2.1) 44 (1.7) 43 (1.7) 17 (0.7) 3 (0.1) 14 (0.5) 26 (1.0) 45 (1.8) 64 (2.5) 61 (2.4)
Average precipitation days (≥ 1 mm) 12 11 9 8 7 4 1 2 5 8 11 11

Monthly sunshine hours in Reardan, Washington, United States §

The sunniest months in Reardan are June, July and August, when the sun shines an average of 12 hours 24 minutes a day.Least sunny months in Reardan: January, February and December receive an average of 4 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Reardan, Washington, 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 95 155 235 284 346 367 415 358 291 237 158 115
Mean daily daylight hours 8h 54m 10h 15m 11h 57m 13h 40m 15h 9m 15h 54m 15h 29m 14h 9m 12h 29m 10h 46m 9h 15m 8h 28m

Solar UV radiation in Reardan, Washington, United States §

Reardan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Reardan UV Index data.

Average daily maximum UV levels by month for Reardan, Washington, 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) 2 4 5 6 8 9 10 9 7 5 3 2