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Monthly climate in Republic, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Republic features a humid continental climate (Dfb).Temperatures typically range between -5 °C (23 °F) and 19 °C (67 °F) through the year, but rarely can drop to -28 °C (-19 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 666 mm (26.2 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Republic enjoys an average of 2939 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Republic, Washington, United States §

The warmest months in Republic are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (59 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -4 °C (23 - 25 °F) throughout the day. On average each year, Republic experiences 43 days above 25 °C (77.0 °F) and 160 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Republic, 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 5°C
(42°F)		 9°C
(48°F)		 16°C
(61°F)		 23°C
(73°F)		 27°C
(80°F)		 40°C
(104°F)		 39°C
(102°F)		 36°C
(96°F)		 31°C
(89°F)		 23°C
(74°F)		 12°C
(53°F)		 11°C
(51°F)
Mean maximum 4°C
(40°F)		 6°C
(42°F)		 12°C
(54°F)		 18°C
(64°F)		 24°C
(76°F)		 28°C
(83°F)		 34°C
(93°F)		 34°C
(93°F)		 28°C
(83°F)		 17°C
(63°F)		 10°C
(51°F)		 5°C
(42°F)
Average high -1°C
(30°F)		 -1°C
(31°F)		 5°C
(42°F)		 10°C
(50°F)		 16°C
(62°F)		 21°C
(70°F)		 26°C
(80°F)		 26°C
(79°F)		 19°C
(66°F)		 10°C
(50°F)		 3°C
(38°F)		 -1°C
(30°F)
Daily mean -5°C
(24°F)		 -5°C
(23°F)		 0°C
(33°F)		 5°C
(41°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 19°C
(66°F)		 13°C
(55°F)		 5°C
(41°F)		 -0°C
(32°F)		 -4°C
(25°F)
Average low -8°C
(18°F)		 -9°C
(15°F)		 -4°C
(25°F)		 -0°C
(32°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(53°F)		 12°C
(53°F)		 7°C
(45°F)		 0°C
(33°F)		 -3°C
(27°F)		 -7°C
(20°F)
Mean minimum -20°C
(-4°F)		 -21°C
(-6°F)		 -13°C
(9°F)		 -6°C
(21°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(44°F)		 6°C
(44°F)		 0°C
(33°F)		 -6°C
(21°F)		 -9°C
(15°F)		 -18°C
(-0°F)
Minimum -25°C
(-12°F)		 -28°C
(-19°F)		 -20°C
(-4°F)		 -9°C
(17°F)		 -3°C
(28°F)		 0°C
(33°F)		 6°C
(42°F)		 3°C
(38°F)		 -2°C
(29°F)		 -11°C
(13°F)		 -16°C
(4°F)		 -26°C
(-15°F)

Compare climate in Republic with other places

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

Monthly average precipitation in Republic, Washington, United States §

Republic usually has the most precipitation in January, April and May, with an average of 12 rainy days and 76 mm (3.0 inches) of precipitation per month.The driest months in Republic are June, July and August. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Republic, 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) 71 (2.8) 55 (2.2) 67 (2.6) 70 (2.7) 86 (3.4) 49 (1.9) 18 (0.7) 21 (0.8) 54 (2.1) 51 (2.0) 61 (2.4) 64 (2.5)
Average precipitation days (≥ 1 mm) 12 11 12 13 11 10 4 4 8 9 13 12

Monthly sunshine hours in Republic, Washington, United States §

The sunniest months in Republic are June, July and August, when the sun shines an average of 12 hours 10 minutes a day.Least sunny months in Republic: January, November and December receive an average of 3 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Republic, 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 90 162 228 272 331 358 405 355 270 224 128 111
Mean daily daylight hours 8h 47m 10h 12m 11h 57m 13h 44m 15h 16m 16h 3m 15h 37m 14h 14m 12h 30m 10h 44m 9h 9m 8h 20m

Solar UV radiation in Republic, Washington, United States §

Republic experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February 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 Republic UV Index data.

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