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Monthly climate in Othello, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Othello features a cold semi-arid climate (BSk).Temperatures typically range between 1 °C (34 °F) and 27 °C (81 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 48 °C (119 °F).The average annual precipitation amounts to about 228 mm (9.0 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually.Othello enjoys an average of 3205 hours of sunshine throughout the year, and daylight varies from 8 hours 35 minutes to 15 hours 47 minutes per day.

Monthly average temperatures in Othello, Washington, United States §

The warmest months in Othello are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (74 - 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 (34 - 36 °F) throughout the day. On average each year, Othello experiences 108 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Othello, 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 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 33°C
(91°F)		 37°C
(99°F)		 48°C
(119°F)		 45°C
(114°F)		 43°C
(109°F)		 39°C
(103°F)		 31°C
(88°F)		 22°C
(71°F)		 20°C
(69°F)
Mean maximum 12°C
(53°F)		 15°C
(58°F)		 21°C
(71°F)		 27°C
(81°F)		 34°C
(93°F)		 37°C
(100°F)		 42°C
(108°F)		 42°C
(107°F)		 36°C
(98°F)		 26°C
(80°F)		 20°C
(68°F)		 15°C
(60°F)
Average high 4°C
(40°F)		 7°C
(44°F)		 14°C
(57°F)		 19°C
(67°F)		 26°C
(79°F)		 30°C
(86°F)		 35°C
(95°F)		 34°C
(94°F)		 27°C
(82°F)		 18°C
(65°F)		 10°C
(50°F)		 5°C
(41°F)
Daily mean 1°C
(34°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(56°F)		 19°C
(67°F)		 23°C
(74°F)		 27°C
(81°F)		 26°C
(80°F)		 20°C
(69°F)		 12°C
(53°F)		 5°C
(42°F)		 1°C
(35°F)
Average low -2°C
(29°F)		 -2°C
(28°F)		 3°C
(37°F)		 7°C
(45°F)		 12°C
(55°F)		 16°C
(61°F)		 18°C
(65°F)		 18°C
(65°F)		 13°C
(56°F)		 6°C
(43°F)		 1°C
(35°F)		 -1°C
(30°F)
Mean minimum -9°C
(16°F)		 -9°C
(17°F)		 -5°C
(24°F)		 1°C
(34°F)		 6°C
(44°F)		 10°C
(51°F)		 13°C
(56°F)		 11°C
(53°F)		 7°C
(44°F)		 -2°C
(28°F)		 -5°C
(24°F)		 -8°C
(18°F)
Minimum -21°C
(-6°F)		 -12°C
(10°F)		 -15°C
(6°F)		 -1°C
(30°F)		 5°C
(42°F)		 10°C
(50°F)		 13°C
(55°F)		 10°C
(50°F)		 5°C
(41°F)		 -9°C
(17°F)		 -6°C
(21°F)		 -10°C
(15°F)

Compare climate in Othello with other places

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

Monthly average precipitation in Othello, Washington, United States §

Othello usually has the most precipitation in January, February and November, with an average of 8 rainy days and 33 mm (1.3 inches) of precipitation per month.The driest months in Othello are June, July and August. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Othello, 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) 38 (1.5) 31 (1.2) 27 (1.1) 21 (0.8) 11 (0.4) 6 (0.3) 1 (0.0) 3 (0.1) 8 (0.3) 23 (0.9) 30 (1.2) 28 (1.1)
Average precipitation days (≥ 1 mm) 9 8 6 5 3 2 0 0 2 5 7 7

Monthly sunshine hours in Othello, Washington, United States §

The sunniest months in Othello are May, June and July, when the sun shines an average of 12 hours 36 minutes a day.Least sunny months in Othello: January, February and December receive an average of 4 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Othello, 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 106 170 250 301 361 380 417 360 293 247 175 138
Mean daily daylight hours 9h 0m 10h 19m 11h 57m 13h 38m 15h 4m 15h 47m 15h 23m 14h 6m 12h 29m 10h 49m 9h 20m 8h 35m

Solar UV radiation in Othello, Washington, United States §

Othello experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, 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 Othello UV Index data.

Average daily maximum UV levels by month for Othello, 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 10 8 7 5 3 2