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Monthly climate in Washington, Kansas, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Washington features a humid continental climate (Dfa). Temperatures typically range between -1 °C (30 °F) and 27 °C (81 °F) through the year, but rarely can drop to -28 °C (-19 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 927 mm (36.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Washington enjoys an average of 3200 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Washington, Kansas, United States §

The warmest months in Washington are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, Washington experiences 117 days above 25 °C (77.0 °F) and 102 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Washington, Kansas, 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 18°C
(64°F)		 25°C
(77°F)		 31°C
(88°F)		 34°C
(93°F)		 37°C
(99°F)		 40°C
(105°F)		 40°C
(104°F)		 37°C
(98°F)		 37°C
(99°F)		 34°C
(94°F)		 28°C
(82°F)		 23°C
(74°F)
Mean maximum 15°C
(60°F)		 20°C
(69°F)		 26°C
(79°F)		 31°C
(87°F)		 33°C
(91°F)		 36°C
(97°F)		 38°C
(101°F)		 35°C
(96°F)		 35°C
(96°F)		 32°C
(89°F)		 23°C
(74°F)		 18°C
(65°F)
Average high 4°C
(40°F)		 5°C
(41°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(75°F)		 31°C
(89°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(83°F)		 19°C
(66°F)		 12°C
(54°F)		 8°C
(47°F)
Daily mean -1°C
(30°F)		 -1°C
(30°F)		 7°C
(45°F)		 12°C
(53°F)		 18°C
(65°F)		 25°C
(78°F)		 27°C
(81°F)		 25°C
(77°F)		 22°C
(72°F)		 13°C
(55°F)		 6°C
(43°F)		 2°C
(35°F)
Average low -6°C
(22°F)		 -6°C
(21°F)		 1°C
(34°F)		 5°C
(42°F)		 13°C
(55°F)		 19°C
(67°F)		 21°C
(71°F)		 19°C
(67°F)		 16°C
(62°F)		 7°C
(45°F)		 0°C
(33°F)		 -3°C
(26°F)
Mean minimum -18°C
(0°F)		 -18°C
(-0°F)		 -10°C
(15°F)		 -4°C
(24°F)		 5°C
(41°F)		 13°C
(55°F)		 16°C
(61°F)		 13°C
(55°F)		 8°C
(46°F)		 -3°C
(26°F)		 -9°C
(15°F)		 -12°C
(11°F)
Minimum -25°C
(-12°F)		 -28°C
(-19°F)		 -20°C
(-4°F)		 -9°C
(15°F)		 3°C
(37°F)		 10°C
(50°F)		 14°C
(58°F)		 11°C
(53°F)		 5°C
(41°F)		 -5°C
(23°F)		 -15°C
(6°F)		 -18°C
(-0°F)

Compare climate in Washington with other places

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

Monthly average precipitation in Washington, Kansas, United States §

Washington usually has the most precipitation in May, August and October, with an average of 10 rainy days and 139 mm (5.5 inches) of precipitation per month. The driest months in Washington are January, February and December. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Washington, Kansas, 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) 28 (1.1) 27 (1.1) 86 (3.4) 60 (2.4) 201 (7.9) 94 (3.7) 89 (3.5) 95 (3.7) 67 (2.7) 121 (4.8) 31 (1.2) 28 (1.1)
Average precipitation days (≥ 1 mm) 5 5 9 7 14 8 8 9 6 8 5 3

Monthly sunshine hours in Washington, Kansas, United States §

The sunniest months in Washington are June, July and August, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Washington: January, February and November receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Washington, Kansas, 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 165 216 227 272 285 355 370 324 284 243 223 230
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 23m 14h 55m 14h 37m 13h 39m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Washington, Kansas, United States §

Washington 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 Washington UV Index data.

Average daily maximum UV levels by month for Washington, Kansas, 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

Detailed Monthly Weather Insights for Washington, Kansas, United States

Discover in-depth weather details for every month in Washington. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Washington's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.