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Monthly climate in Wenatchee, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Wenatchee features a warm-summer Mediterranean climate (Csb).Temperatures typically range between -2 °C (28 °F) and 21 °C (70 °F) through the year, but rarely can drop to -23 °C (-10 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 519 mm (20.4 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually.Wenatchee enjoys an average of 3024 hours of sunshine throughout the year, and daylight varies from 8 hours 30 minutes to 15 hours 53 minutes per day.

Monthly average temperatures in Wenatchee, Washington, United States §

The warmest months in Wenatchee are June, July and August, with daily mean temperatures ranging from 17 to 21 °C (63 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -1 °C (28 - 30 °F) throughout the day. On average each year, Wenatchee experiences 59 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wenatchee, 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 7°C
(45°F)		 12°C
(54°F)		 17°C
(63°F)		 24°C
(76°F)		 30°C
(86°F)		 41°C
(106°F)		 39°C
(103°F)		 37°C
(99°F)		 35°C
(95°F)		 26°C
(79°F)		 16°C
(60°F)		 14°C
(57°F)
Mean maximum 5°C
(42°F)		 9°C
(48°F)		 14°C
(58°F)		 20°C
(68°F)		 28°C
(82°F)		 31°C
(88°F)		 35°C
(96°F)		 36°C
(97°F)		 30°C
(87°F)		 20°C
(69°F)		 14°C
(58°F)		 8°C
(46°F)
Average high 1°C
(33°F)		 2°C
(36°F)		 8°C
(46°F)		 13°C
(55°F)		 19°C
(67°F)		 23°C
(74°F)		 28°C
(83°F)		 28°C
(83°F)		 22°C
(71°F)		 13°C
(55°F)		 6°C
(43°F)		 1°C
(34°F)
Daily mean -2°C
(28°F)		 -2°C
(29°F)		 3°C
(38°F)		 8°C
(46°F)		 13°C
(56°F)		 17°C
(63°F)		 21°C
(70°F)		 21°C
(70°F)		 15°C
(60°F)		 8°C
(46°F)		 2°C
(37°F)		 -1°C
(30°F)
Average low -5°C
(23°F)		 -5°C
(24°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(45°F)		 10°C
(51°F)		 13°C
(56°F)		 13°C
(56°F)		 9°C
(49°F)		 3°C
(37°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -14°C
(7°F)		 -13°C
(9°F)		 -10°C
(14°F)		 -3°C
(27°F)		 2°C
(35°F)		 5°C
(42°F)		 8°C
(47°F)		 8°C
(46°F)		 4°C
(39°F)		 -4°C
(25°F)		 -6°C
(21°F)		 -12°C
(11°F)
Minimum -23°C
(-10°F)		 -15°C
(6°F)		 -16°C
(3°F)		 -5°C
(23°F)		 0°C
(32°F)		 4°C
(39°F)		 7°C
(46°F)		 6°C
(43°F)		 1°C
(35°F)		 -7°C
(19°F)		 -8°C
(17°F)		 -16°C
(4°F)

Compare climate in Wenatchee with other places

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

Monthly average precipitation in Wenatchee, Washington, United States §

Wenatchee usually has the most precipitation in January, February and December, with an average of 13 rainy days and 79 mm (3.1 inches) of precipitation per month.The driest months in Wenatchee are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wenatchee, 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) 84 (3.3) 76 (3.0) 46 (1.8) 41 (1.6) 26 (1.0) 14 (0.5) 3 (0.1) 5 (0.2) 26 (1.0) 56 (2.2) 64 (2.5) 79 (3.1)
Average precipitation days (≥ 1 mm) 14 13 9 8 5 4 0 1 4 8 13 13

Monthly sunshine hours in Wenatchee, Washington, United States §

The sunniest months in Wenatchee are June, July and August, when the sun shines an average of 12 hours 30 minutes a day.Least sunny months in Wenatchee: January, November and December receive an average of 3 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wenatchee, 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 86 154 237 281 352 374 415 360 285 228 141 105
Mean daily daylight hours 8h 56m 10h 16m 11h 57m 13h 40m 15h 8m 15h 53m 15h 28m 14h 8m 12h 29m 10h 47m 9h 16m 8h 30m

Solar UV radiation in Wenatchee, Washington, United States §

Wenatchee 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 Wenatchee UV Index data.

Average daily maximum UV levels by month for Wenatchee, 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 6 7 8 9 10 9 7 5 3 2