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Monthly climate in Rough and Ready, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rough and Ready features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 8 °C (47 °F) and 27 °C (81 °F) through the year, but rarely can drop to -4 °C (24 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 1094 mm (43.1 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually.Rough and Ready enjoys an average of 3387 hours of sunshine throughout the year, and daylight varies from 9 hours 26 minutes to 14 hours 52 minutes per day.

Monthly average temperatures in Rough and Ready, California, United States §

The warmest months in Rough and Ready are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Rough and Ready experiences 139 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rough and Ready, 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 22°C
(72°F)		 26°C
(78°F)		 29°C
(85°F)		 31°C
(88°F)		 36°C
(98°F)		 42°C
(108°F)		 42°C
(107°F)		 42°C
(107°F)		 42°C
(107°F)		 36°C
(97°F)		 28°C
(82°F)		 23°C
(74°F)
Mean maximum 19°C
(67°F)		 22°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 34°C
(94°F)		 38°C
(101°F)		 40°C
(104°F)		 39°C
(103°F)		 39°C
(102°F)		 32°C
(90°F)		 25°C
(77°F)		 20°C
(67°F)
Average high 14°C
(57°F)		 16°C
(61°F)		 17°C
(63°F)		 21°C
(71°F)		 26°C
(79°F)		 31°C
(89°F)		 35°C
(95°F)		 34°C
(94°F)		 31°C
(87°F)		 25°C
(78°F)		 18°C
(65°F)		 13°C
(56°F)
Daily mean 9°C
(48°F)		 9°C
(49°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(73°F)		 17°C
(63°F)		 12°C
(53°F)		 8°C
(47°F)
Average low 5°C
(40°F)		 4°C
(40°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(54°F)		 16°C
(62°F)		 19°C
(66°F)		 18°C
(65°F)		 15°C
(59°F)		 10°C
(50°F)		 6°C
(43°F)		 4°C
(39°F)
Mean minimum -2°C
(29°F)		 -3°C
(27°F)		 -1°C
(31°F)		 3°C
(37°F)		 6°C
(44°F)		 10°C
(51°F)		 15°C
(59°F)		 14°C
(57°F)		 9°C
(49°F)		 4°C
(40°F)		 0°C
(33°F)		 -1°C
(31°F)
Minimum -3°C
(27°F)		 -4°C
(24°F)		 -2°C
(28°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(47°F)		 14°C
(57°F)		 12°C
(55°F)		 6°C
(44°F)		 3°C
(38°F)		 -1°C
(30°F)		 -2°C
(29°F)

Compare climate in Rough and Ready with other places

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

Monthly average precipitation in Rough and Ready, California, United States §

Rough and Ready usually has the most precipitation in January, February and March, with an average of 11 rainy days and 196 mm (7.7 inches) of precipitation per month.The driest months in Rough and Ready 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 Rough and Ready, 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) 196 (7.7) 202 (8.0) 191 (7.5) 89 (3.5) 48 (1.9) 9 (0.3) 1 (0.0) 1 (0.0) 12 (0.5) 62 (2.4) 115 (4.5) 170 (6.7)
Average precipitation days (≥ 1 mm) 11 9 14 7 5 1 0 0 2 3 7 11

Monthly sunshine hours in Rough and Ready, California, United States §

The sunniest months in Rough and Ready are June, July and August, when the sun shines an average of 12 hours 26 minutes a day.Least sunny months in Rough and Ready: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rough and Ready, 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 141 200 248 295 358 385 396 361 314 282 215 186
Mean daily daylight hours 9h 45m 10h 44m 11h 59m 13h 15m 14h 20m 14h 52m 14h 34m 13h 36m 12h 23m 11h 6m 10h 0m 9h 26m

Solar UV radiation in Rough and Ready, California, United States §

Rough and Ready 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 Rough and Ready UV Index data.

Average daily maximum UV levels by month for Rough and Ready, 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