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Monthly climate in Catheys Valley, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Catheys Valley features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 8 °C (47 °F) and 28 °C (82 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 41 °C (107 °F).The average annual precipitation amounts to about 837 mm (33.0 inches) and receives 51 rainy days on the 1 mm (0.04 inches) threshold annually.Catheys Valley enjoys an average of 3486 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Catheys Valley, California, United States §

The warmest months in Catheys Valley are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °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 - 48 °F) throughout the day. On average each year, Catheys Valley experiences 129 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Catheys Valley, 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)		 25°C
(77°F)		 27°C
(81°F)		 30°C
(87°F)		 36°C
(97°F)		 40°C
(105°F)		 41°C
(106°F)		 41°C
(107°F)		 41°C
(106°F)		 34°C
(93°F)		 27°C
(82°F)		 23°C
(74°F)
Mean maximum 19°C
(67°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 32°C
(90°F)		 36°C
(97°F)		 39°C
(102°F)		 39°C
(102°F)		 38°C
(101°F)		 31°C
(88°F)		 25°C
(77°F)		 20°C
(69°F)
Average high 14°C
(57°F)		 15°C
(59°F)		 16°C
(62°F)		 20°C
(69°F)		 24°C
(76°F)		 30°C
(87°F)		 35°C
(95°F)		 34°C
(94°F)		 31°C
(88°F)		 25°C
(77°F)		 19°C
(66°F)		 14°C
(57°F)
Daily mean 8°C
(47°F)		 9°C
(48°F)		 11°C
(51°F)		 14°C
(58°F)		 18°C
(64°F)		 24°C
(75°F)		 28°C
(82°F)		 27°C
(81°F)		 23°C
(74°F)		 17°C
(63°F)		 12°C
(54°F)		 8°C
(47°F)
Average low 4°C
(39°F)		 3°C
(38°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 16°C
(61°F)		 20°C
(68°F)		 20°C
(68°F)		 16°C
(61°F)		 10°C
(50°F)		 6°C
(43°F)		 3°C
(38°F)
Mean minimum -3°C
(28°F)		 -3°C
(26°F)		 -1°C
(30°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(49°F)		 16°C
(62°F)		 15°C
(60°F)		 10°C
(50°F)		 4°C
(40°F)		 0°C
(33°F)		 -1°C
(30°F)
Minimum -4°C
(25°F)		 -7°C
(20°F)		 -4°C
(25°F)		 -2°C
(30°F)		 3°C
(38°F)		 7°C
(45°F)		 14°C
(58°F)		 14°C
(58°F)		 7°C
(45°F)		 3°C
(37°F)		 -3°C
(28°F)		 -2°C
(29°F)

Compare climate in Catheys Valley with other places

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

Monthly average precipitation in Catheys Valley, California, United States §

Catheys Valley usually has the most precipitation in January, February and March, with an average of 9 rainy days and 169 mm (6.6 inches) of precipitation per month.The driest months in Catheys Valley are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Catheys Valley, 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) 168 (6.6) 157 (6.2) 181 (7.1) 67 (2.6) 41 (1.6) 2 (0.1) 0 (0.0) 1 (0.0) 2 (0.1) 31 (1.2) 64 (2.5) 123 (4.9)
Average precipitation days (≥ 1 mm) 8 9 12 5 3 0 0 0 0 1 4 9

Monthly sunshine hours in Catheys Valley, California, United States §

The sunniest months in Catheys Valley are June, July and August, when the sun shines an average of 12 hours 21 minutes a day.Least sunny months in Catheys Valley: January, February and December receive an average of 6 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Catheys Valley, 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 161 215 257 309 358 385 390 361 319 290 235 203
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 12m 14h 42m 14h 25m 13h 31m 12h 22m 11h 10m 10h 7m 9h 36m

Solar UV radiation in Catheys Valley, California, United States §

Catheys Valley 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 Catheys Valley UV Index data.

Average daily maximum UV levels by month for Catheys Valley, 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 9 11 12 11 11 9 7 5 3