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Monthly climate in Roseville, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Roseville features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 9 °C (48 °F) and 26 °C (79 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 43 °C (110 °F).The average annual precipitation amounts to about 783 mm (30.8 inches) and receives 57 rainy days on the 1 mm (0.04 inches) threshold annually.Roseville enjoys an average of 3389 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Roseville, California, United States §

The warmest months in Roseville are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 51 °F) throughout the day. On average each year, Roseville experiences 154 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Roseville, 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 23°C
(74°F)		 25°C
(76°F)		 29°C
(84°F)		 33°C
(92°F)		 39°C
(102°F)		 42°C
(108°F)		 42°C
(108°F)		 43°C
(110°F)		 43°C
(110°F)		 38°C
(101°F)		 29°C
(84°F)		 24°C
(75°F)
Mean maximum 20°C
(67°F)		 22°C
(73°F)		 27°C
(81°F)		 31°C
(88°F)		 36°C
(97°F)		 39°C
(103°F)		 41°C
(106°F)		 40°C
(105°F)		 40°C
(104°F)		 33°C
(91°F)		 25°C
(78°F)		 20°C
(68°F)
Average high 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 23°C
(74°F)		 28°C
(82°F)		 33°C
(91°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 27°C
(80°F)		 19°C
(67°F)		 14°C
(58°F)
Daily mean 9°C
(49°F)		 10°C
(51°F)		 13°C
(55°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(79°F)		 26°C
(78°F)		 23°C
(74°F)		 18°C
(65°F)		 12°C
(54°F)		 9°C
(48°F)
Average low 5°C
(42°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 17°C
(62°F)		 18°C
(65°F)		 18°C
(65°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(44°F)		 5°C
(40°F)
Mean minimum -1°C
(31°F)		 -1°C
(30°F)		 1°C
(35°F)		 4°C
(40°F)		 8°C
(48°F)		 12°C
(54°F)		 14°C
(58°F)		 14°C
(58°F)		 11°C
(52°F)		 5°C
(41°F)		 1°C
(33°F)		 -1°C
(31°F)
Minimum -2°C
(29°F)		 -4°C
(26°F)		 0°C
(33°F)		 2°C
(35°F)		 6°C
(43°F)		 11°C
(53°F)		 14°C
(57°F)		 13°C
(56°F)		 9°C
(49°F)		 4°C
(40°F)		 -2°C
(29°F)		 -2°C
(28°F)

Compare climate in Roseville with other places

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

Monthly average precipitation in Roseville, California, United States §

Roseville usually has the most precipitation in January, February and March, with an average of 9 rainy days and 141 mm (5.5 inches) of precipitation per month.The driest months in Roseville are June, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Roseville, 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) 144 (5.7) 139 (5.5) 139 (5.5) 64 (2.5) 31 (1.2) 5 (0.2) 0 (0.0) 0 (0.0) 6 (0.2) 46 (1.8) 79 (3.1) 129 (5.1)
Average precipitation days (≥ 1 mm) 9 8 12 6 3 0 0 0 1 2 6 10

Monthly sunshine hours in Roseville, California, United States §

The sunniest months in Roseville are June, July and August, when the sun shines an average of 12 hours 21 minutes a day.Least sunny months in Roseville: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Roseville, 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 143 203 248 295 357 383 395 359 312 282 218 188
Mean daily daylight hours 9h 47m 10h 45m 11h 59m 13h 14m 14h 17m 14h 49m 14h 31m 13h 35m 12h 22m 11h 7m 10h 2m 9h 29m

Solar UV radiation in Roseville, California, United States §

Roseville 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 Roseville UV Index data.

Average daily maximum UV levels by month for Roseville, 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) 3 5 7 8 10 11 11 10 9 6 4 3