Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Mendocino features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 10 °C (50 °F) and 18 °C (64 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 718 mm (28.2 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually. Mendocino enjoys an average of 3302 hours of sunshine throughout the year, and daylight varies from 9 hours 26 minutes to 14 hours 52 minutes per day.
The warmest months in Mendocino are July, August and September, with daily mean temperatures ranging from 17 to 18 °C (63 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 10 °C (50 - 50 °F) throughout the day. On average each year, Mendocino experiences 15 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 21°C (69°F) |
24°C (76°F) |
23°C (74°F) |
23°C (74°F) |
26°C (79°F) |
31°C (88°F) |
29°C (84°F) |
31°C (88°F) |
36°C (96°F) |
32°C (90°F) |
22°C (72°F) |
20°C (68°F) |
Mean maximum | 17°C (63°F) |
19°C (67°F) |
21°C (70°F) |
22°C (71°F) |
24°C (75°F) |
27°C (81°F) |
26°C (80°F) |
28°C (83°F) |
31°C (88°F) |
28°C (82°F) |
21°C (70°F) |
18°C (65°F) |
Average high | 13°C (56°F) |
14°C (57°F) |
14°C (58°F) |
16°C (61°F) |
18°C (64°F) |
21°C (70°F) |
22°C (72°F) |
23°C (73°F) |
23°C (73°F) |
21°C (70°F) |
16°C (61°F) |
13°C (56°F) |
Daily mean | 10°C (50°F) |
10°C (50°F) |
10°C (51°F) |
12°C (54°F) |
14°C (57°F) |
16°C (62°F) |
17°C (63°F) |
18°C (64°F) |
18°C (64°F) |
15°C (60°F) |
12°C (53°F) |
10°C (50°F) |
Average low | 7°C (45°F) |
6°C (44°F) |
7°C (44°F) |
8°C (47°F) |
10°C (50°F) |
12°C (54°F) |
13°C (55°F) |
14°C (57°F) |
13°C (56°F) |
11°C (52°F) |
8°C (47°F) |
7°C (44°F) |
Mean minimum | 2°C (36°F) |
2°C (35°F) |
3°C (37°F) |
5°C (41°F) |
7°C (45°F) |
9°C (49°F) |
11°C (52°F) |
12°C (53°F) |
10°C (50°F) |
7°C (45°F) |
2°C (37°F) |
3°C (37°F) |
Minimum | 1°C (34°F) |
-0°C (32°F) |
2°C (35°F) |
4°C (39°F) |
6°C (42°F) |
9°C (48°F) |
11°C (52°F) |
11°C (51°F) |
8°C (47°F) |
6°C (43°F) |
1°C (35°F) |
2°C (35°F) |
Compare temperature, precipitation, sunshine, UV index in Mendocino, California, United States with other places around the world.
Mendocino usually has the most precipitation in January, February and March, with an average of 11 rainy days and 131 mm (5.2 inches) of precipitation per month. The driest months in Mendocino are June, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 147 (5.8) | 137 (5.4) | 108 (4.2) | 60 (2.4) | 43 (1.7) | 2 (0.1) | 2 (0.1) | 1 (0.0) | 6 (0.2) | 43 (1.7) | 72 (2.8) | 97 (3.8) |
Average precipitation days (≥ 1 mm) | 11 | 11 | 13 | 7 | 4 | 0 | 0 | 0 | 1 | 3 | 6 | 11 |
The sunniest months in Mendocino are May, June and July, when the sun shines an average of 12 hours 4 minutes a day. Least sunny months in Mendocino: January, February and December receive an average of 5 hours 37 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 132 | 204 | 260 | 290 | 348 | 376 | 386 | 343 | 301 | 275 | 208 | 174 |
Mean daily daylight hours | 9h 44m | 10h 43m | 11h 58m | 13h 15m | 14h 20m | 14h 52m | 14h 34m | 13h 37m | 12h 23m | 11h 6m | 9h 59m | 9h 26m |
Mendocino 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 Mendocino UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 7 | 8 | 11 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Mendocino. 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 Mendocino'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.