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Monthly climate in Fort Jones, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fort Jones features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 1 °C (34 °F) and 22 °C (72 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 740 mm (29.1 inches) and receives 93 rainy days on the 1 mm (0.04 inches) threshold annually.Fort Jones enjoys an average of 3227 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Fort Jones, California, United States §

The warmest months in Fort Jones are June, July and August, with daily mean temperatures ranging from 17 to 22 °C (63 - 72 °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, Fort Jones experiences 84 days above 25 °C (77.0 °F) and 123 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort Jones, 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 14°C
(57°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(82°F)		 32°C
(89°F)		 36°C
(97°F)		 37°C
(98°F)		 37°C
(99°F)		 35°C
(96°F)		 29°C
(84°F)		 24°C
(75°F)		 16°C
(60°F)
Mean maximum 13°C
(55°F)		 15°C
(60°F)		 19°C
(67°F)		 25°C
(77°F)		 28°C
(83°F)		 32°C
(90°F)		 35°C
(95°F)		 35°C
(95°F)		 32°C
(91°F)		 26°C
(78°F)		 20°C
(68°F)		 12°C
(54°F)
Average high 7°C
(44°F)		 8°C
(47°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(68°F)		 25°C
(77°F)		 31°C
(88°F)		 30°C
(86°F)		 25°C
(77°F)		 18°C
(65°F)		 11°C
(52°F)		 6°C
(43°F)
Daily mean 2°C
(35°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(46°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(72°F)		 21°C
(70°F)		 16°C
(61°F)		 10°C
(50°F)		 4°C
(40°F)		 1°C
(34°F)
Average low -2°C
(28°F)		 -3°C
(27°F)		 -1°C
(30°F)		 1°C
(35°F)		 5°C
(41°F)		 9°C
(49°F)		 13°C
(56°F)		 12°C
(54°F)		 8°C
(46°F)		 2°C
(37°F)		 -1°C
(31°F)		 -3°C
(27°F)
Mean minimum -9°C
(16°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -4°C
(25°F)		 -2°C
(29°F)		 2°C
(35°F)		 9°C
(48°F)		 8°C
(46°F)		 1°C
(34°F)		 -4°C
(25°F)		 -8°C
(18°F)		 -8°C
(17°F)
Minimum -19°C
(-2°F)		 -16°C
(4°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -3°C
(27°F)		 0°C
(33°F)		 6°C
(43°F)		 6°C
(43°F)		 -2°C
(29°F)		 -5°C
(24°F)		 -14°C
(7°F)		 -10°C
(14°F)

Compare climate in Fort Jones with other places

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

Monthly average precipitation in Fort Jones, California, United States §

Fort Jones usually has the most precipitation in January, February and March, with an average of 12 rainy days and 117 mm (4.6 inches) of precipitation per month.The driest months in Fort Jones are July, August and September. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort Jones, 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) 131 (5.1) 120 (4.7) 99 (3.9) 67 (2.6) 54 (2.1) 20 (0.8) 6 (0.3) 11 (0.4) 19 (0.7) 41 (1.6) 75 (3.0) 98 (3.8)
Average precipitation days (≥ 1 mm) 12 12 14 10 7 4 3 3 4 5 8 11

Monthly sunshine hours in Fort Jones, California, United States §

The sunniest months in Fort Jones are June, July and August, when the sun shines an average of 12 hours 30 minutes a day.Least sunny months in Fort Jones: January, February and December receive an average of 4 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort Jones, 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 110 178 229 276 350 383 403 364 308 272 191 158
Mean daily daylight hours 9h 32m 10h 36m 11h 58m 13h 22m 14h 32m 15h 7m 14h 48m 13h 45m 12h 24m 11h 1m 9h 49m 9h 12m

Solar UV radiation in Fort Jones, California, United States §

Fort Jones experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, 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 4. For more detailed information, check out our hourly Fort Jones UV Index data.

Average daily maximum UV levels by month for Fort Jones, 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 9 11 11 11 10 9 6 4 3