Monthly climate in Red Bluff, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Red Bluff features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 9 °C (48 °F) and 30 °C (86 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 712 mm (28.0 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually. Red Bluff enjoys an average of 3325 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Red Bluff, California, United States §

The warmest months in Red Bluff are June, July and August, with daily mean temperatures ranging from 26 to 30 °C (80 - 86 °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, Red Bluff experiences 153 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Red Bluff, 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
(73°F)
27°C
(81°F)
29°C
(84°F)
33°C
(91°F)
39°C
(102°F)
43°C
(110°F)
44°C
(111°F)
43°C
(110°F)
43°C
(109°F)
37°C
(100°F)
29°C
(85°F)
23°C
(73°F)
Mean maximum 20°C
(68°F)
23°C
(74°F)
26°C
(79°F)
31°C
(87°F)
37°C
(98°F)
40°C
(104°F)
42°C
(108°F)
41°C
(107°F)
40°C
(103°F)
33°C
(92°F)
27°C
(80°F)
20°C
(68°F)
Average high 14°C
(57°F)
16°C
(62°F)
18°C
(65°F)
22°C
(73°F)
28°C
(82°F)
34°C
(93°F)
37°C
(100°F)
36°C
(97°F)
32°C
(90°F)
26°C
(79°F)
19°C
(66°F)
14°C
(57°F)
Daily mean 9°C
(49°F)
10°C
(51°F)
12°C
(54°F)
16°C
(61°F)
21°C
(70°F)
26°C
(80°F)
30°C
(86°F)
29°C
(84°F)
24°C
(76°F)
18°C
(65°F)
13°C
(55°F)
9°C
(48°F)
Average low 5°C
(42°F)
5°C
(42°F)
7°C
(45°F)
10°C
(50°F)
14°C
(57°F)
19°C
(67°F)
22°C
(72°F)
21°C
(70°F)
17°C
(63°F)
12°C
(53°F)
8°C
(46°F)
5°C
(41°F)
Mean minimum -0°C
(31°F)
-1°C
(30°F)
1°C
(34°F)
4°C
(39°F)
8°C
(46°F)
12°C
(53°F)
18°C
(64°F)
17°C
(63°F)
10°C
(51°F)
6°C
(43°F)
2°C
(35°F)
0°C
(33°F)
Minimum -3°C
(27°F)
-4°C
(26°F)
-0°C
(32°F)
2°C
(36°F)
5°C
(40°F)
10°C
(50°F)
17°C
(62°F)
15°C
(60°F)
7°C
(45°F)
4°C
(39°F)
-0°C
(32°F)
-1°C
(31°F)

Compare climate in Red Bluff with other places

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

Monthly average precipitation in Red Bluff, California, United States §

Red Bluff usually has the most precipitation in January, February and March, with an average of 11 rainy days and 130 mm (5.1 inches) of precipitation per month. The driest months in Red Bluff 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 Red Bluff, 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) 137 (5.4) 127 (5.0) 126 (5.0) 59 (2.3) 37 (1.5) 7 (0.3) 0 (0.0) 1 (0.0) 8 (0.3) 39 (1.5) 69 (2.7) 101 (4.0)
Average precipitation days (≥ 1 mm) 12 9 13 7 3 1 0 0 1 3 7 11

Monthly sunshine hours in Red Bluff, California, United States §

The sunniest months in Red Bluff are May, June and July, when the sun shines an average of 12 hours 28 minutes a day. Least sunny months in Red Bluff: January, February and December receive an average of 5 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Red Bluff, 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 126 194 241 292 358 387 400 353 311 279 208 170
Mean daily daylight hours 9h 39m 10h 41m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 23m 11h 4m 9h 55m 9h 20m

Solar UV radiation in Red Bluff, California, United States §

Red Bluff experiences the highest level of ultraviolet (UV) radiation in May, June 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, February and December are in the Low / 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 Red Bluff UV Index data.

Average daily maximum UV levels by month for Red Bluff, 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 4 7 8 10 11 10 10 9 6 4 2

Detailed Monthly Weather Insights for Red Bluff, California, United States

Discover in-depth weather details for every month in Red Bluff. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Red Bluff's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.