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Monthly climate in Downieville, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Downieville features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 2 °C (35 °F) and 22 °C (71 °F) through the year, but rarely can drop to -14 °C (8 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1525 mm (60.1 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually.Downieville enjoys an average of 3423 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 54 minutes per day.

Monthly average temperatures in Downieville, California, United States §

The warmest months in Downieville are June, July and August, with daily mean temperatures ranging from 17 to 22 °C (63 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 2 °C (35 - 36 °F) throughout the day. On average each year, Downieville experiences 77 days above 25 °C (77.0 °F) and 108 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Downieville, California, 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)		 19°C
(66°F)		 20°C
(68°F)		 25°C
(77°F)		 29°C
(84°F)		 34°C
(94°F)		 36°C
(97°F)		 35°C
(96°F)		 35°C
(95°F)		 31°C
(88°F)		 24°C
(76°F)		 19°C
(66°F)
Mean maximum 14°C
(57°F)		 16°C
(61°F)		 17°C
(64°F)		 22°C
(72°F)		 27°C
(81°F)		 31°C
(87°F)		 34°C
(93°F)		 34°C
(93°F)		 32°C
(90°F)		 25°C
(78°F)		 21°C
(70°F)		 14°C
(58°F)
Average high 7°C
(44°F)		 8°C
(46°F)		 9°C
(48°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(76°F)		 29°C
(85°F)		 28°C
(84°F)		 25°C
(76°F)		 19°C
(66°F)		 13°C
(55°F)		 7°C
(45°F)
Daily mean 2°C
(35°F)		 2°C
(36°F)		 3°C
(38°F)		 7°C
(45°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(71°F)		 21°C
(70°F)		 17°C
(62°F)		 10°C
(51°F)		 6°C
(42°F)		 2°C
(35°F)
Average low -2°C
(29°F)		 -3°C
(27°F)		 -2°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(49°F)		 13°C
(56°F)		 13°C
(55°F)		 9°C
(49°F)		 4°C
(39°F)		 1°C
(33°F)		 -2°C
(28°F)
Mean minimum -10°C
(15°F)		 -11°C
(13°F)		 -8°C
(17°F)		 -6°C
(21°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(49°F)		 9°C
(48°F)		 2°C
(37°F)		 -2°C
(29°F)		 -6°C
(22°F)		 -9°C
(17°F)
Minimum -13°C
(10°F)		 -14°C
(8°F)		 -11°C
(12°F)		 -11°C
(13°F)		 -7°C
(20°F)		 -1°C
(31°F)		 7°C
(44°F)		 7°C
(46°F)		 -1°C
(31°F)		 -4°C
(25°F)		 -8°C
(17°F)		 -10°C
(14°F)

Compare climate in Downieville with other places

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

Monthly average precipitation in Downieville, California, United States §

Downieville usually has the most precipitation in January, February and March, with an average of 13 rainy days and 270 mm (10.6 inches) of precipitation per month.The driest months in Downieville are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Downieville, California, 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) 269 (10.6) 279 (11.0) 261 (10.3) 130 (5.1) 85 (3.4) 19 (0.8) 8 (0.3) 11 (0.4) 28 (1.1) 72 (2.8) 148 (5.8) 215 (8.5)
Average precipitation days (≥ 1 mm) 12 11 16 10 10 4 3 3 4 4 8 12

Monthly sunshine hours in Downieville, California, United States §

The sunniest months in Downieville are June, July and August, when the sun shines an average of 12 hours 31 minutes a day.Least sunny months in Downieville: January, February and December receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Downieville, California, 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 142 204 254 301 355 389 398 364 320 285 219 187
Mean daily daylight hours 9h 43m 10h 43m 11h 58m 13h 16m 14h 21m 14h 54m 14h 36m 13h 38m 12h 23m 11h 6m 9h 58m 9h 24m

Solar UV radiation in Downieville, California, United States §

Downieville experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, February 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 Downieville UV Index data.

Average daily maximum UV levels by month for Downieville, California, 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 5 8 10 11 12 11 11 10 7 5 3