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Monthly climate in Winchester, Nevada, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Winchester features a cold desert climate (BWk).Temperatures typically range between 9 °C (49 °F) and 34 °C (94 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 46 °C (115 °F).The average annual precipitation amounts to about 117 mm (4.6 inches) and receives 23 rainy days on the 1 mm (0.04 inches) threshold annually.Winchester enjoys an average of 3635 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Winchester, Nevada, United States §

The warmest months in Winchester are June, July and August, with daily mean temperatures ranging from 32 to 34 °C (89 - 94 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, Winchester experiences 175 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Winchester, Nevada, 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 21°C
(71°F)		 25°C
(77°F)		 33°C
(91°F)		 36°C
(97°F)		 41°C
(106°F)		 46°C
(114°F)		 46°C
(115°F)		 45°C
(112°F)		 45°C
(113°F)		 37°C
(100°F)		 30°C
(86°F)		 24°C
(76°F)
Mean maximum 20°C
(67°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(93°F)		 37°C
(100°F)		 41°C
(106°F)		 45°C
(112°F)		 43°C
(110°F)		 42°C
(108°F)		 34°C
(93°F)		 27°C
(81°F)		 20°C
(69°F)
Average high 15°C
(58°F)		 17°C
(62°F)		 21°C
(70°F)		 27°C
(81°F)		 31°C
(87°F)		 38°C
(100°F)		 40°C
(104°F)		 40°C
(104°F)		 35°C
(96°F)		 27°C
(81°F)		 21°C
(70°F)		 14°C
(58°F)
Daily mean 9°C
(49°F)		 11°C
(52°F)		 15°C
(60°F)		 21°C
(70°F)		 25°C
(76°F)		 32°C
(89°F)		 34°C
(94°F)		 34°C
(93°F)		 29°C
(84°F)		 20°C
(69°F)		 15°C
(59°F)		 9°C
(49°F)
Average low 5°C
(41°F)		 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 18°C
(64°F)		 24°C
(76°F)		 28°C
(82°F)		 27°C
(81°F)		 22°C
(73°F)		 14°C
(58°F)		 9°C
(49°F)		 5°C
(41°F)
Mean minimum -1°C
(31°F)		 -1°C
(31°F)		 4°C
(39°F)		 8°C
(47°F)		 11°C
(51°F)		 17°C
(62°F)		 22°C
(72°F)		 23°C
(73°F)		 16°C
(60°F)		 7°C
(45°F)		 3°C
(38°F)		 -0°C
(32°F)
Minimum -3°C
(27°F)		 -2°C
(29°F)		 2°C
(36°F)		 6°C
(43°F)		 9°C
(49°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(71°F)		 11°C
(52°F)		 1°C
(34°F)		 1°C
(35°F)		 -1°C
(31°F)

Compare climate in Winchester with other places

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

Monthly average precipitation in Winchester, Nevada, United States §

Winchester usually has the most precipitation in January, February and March, with an average of 3 rainy days and 19 mm (0.7 inches) of precipitation per month.The driest months in Winchester are June, September and October. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Winchester, Nevada, 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) 19 (0.8) 20 (0.8) 17 (0.7) 3 (0.1) 6 (0.2) 1 (0.0) 13 (0.5) 5 (0.2) 2 (0.1) 3 (0.1) 13 (0.5) 13 (0.5)
Average precipitation days (≥ 1 mm) 3 3 4 1 1 0 4 2 0 1 1 3

Monthly sunshine hours in Winchester, Nevada, United States §

The sunniest months in Winchester are May, June and July, when the sun shines an average of 12 hours 16 minutes a day.Least sunny months in Winchester: January, February and December receive an average of 7 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Winchester, Nevada, 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 185 238 290 325 368 379 380 363 323 294 255 228
Mean daily daylight hours 10h 0m 10h 52m 11h 59m 13h 8m 14h 5m 14h 33m 14h 18m 13h 27m 12h 21m 11h 12m 10h 13m 9h 43m

Solar UV radiation in Winchester, Nevada, United States §

Winchester experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 13, which corresponds to the 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 5. For more detailed information, check out our hourly Winchester UV Index data.

Average daily maximum UV levels by month for Winchester, Nevada, 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) 4 6 8 10 11 12 13 11 10 7 5 3