Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Lake Nacimiento features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 11 °C (52 °F) and 22 °C (71 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 425 mm (16.7 inches) and receives 35 rainy days on the 1 mm (0.04 inches) threshold annually. Lake Nacimiento enjoys an average of 3526 hours of sunshine throughout the year, and daylight varies from 9 hours 46 minutes to 14 hours 31 minutes per day.
The warmest months in Lake Nacimiento are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 11 °C (52 - 52 °F) throughout the day. On average each year, Lake Nacimiento experiences 85 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 | 24°C (75°F) |
26°C (79°F) |
27°C (80°F) |
30°C (86°F) |
30°C (87°F) |
35°C (95°F) |
37°C (98°F) |
37°C (99°F) |
39°C (103°F) |
34°C (94°F) |
27°C (80°F) |
25°C (77°F) |
| Mean maximum | 21°C (70°F) |
22°C (71°F) |
24°C (75°F) |
27°C (81°F) |
28°C (83°F) |
31°C (89°F) |
34°C (94°F) |
33°C (92°F) |
35°C (96°F) |
31°C (87°F) |
25°C (78°F) |
21°C (70°F) |
| Average high | 16°C (61°F) |
16°C (62°F) |
17°C (63°F) |
20°C (69°F) |
22°C (72°F) |
25°C (78°F) |
27°C (81°F) |
27°C (81°F) |
27°C (80°F) |
24°C (76°F) |
20°C (68°F) |
16°C (61°F) |
| Daily mean | 11°C (52°F) |
11°C (52°F) |
12°C (54°F) |
15°C (59°F) |
17°C (63°F) |
20°C (68°F) |
21°C (71°F) |
22°C (71°F) |
21°C (70°F) |
18°C (65°F) |
14°C (58°F) |
11°C (52°F) |
| Average low | 7°C (44°F) |
6°C (43°F) |
8°C (46°F) |
10°C (50°F) |
12°C (54°F) |
15°C (58°F) |
16°C (62°F) |
17°C (63°F) |
16°C (61°F) |
13°C (55°F) |
9°C (48°F) |
6°C (44°F) |
| Mean minimum | 2°C (36°F) |
2°C (35°F) |
3°C (38°F) |
5°C (42°F) |
8°C (47°F) |
11°C (51°F) |
13°C (56°F) |
14°C (57°F) |
11°C (52°F) |
9°C (48°F) |
4°C (40°F) |
2°C (36°F) |
| Minimum | 1°C (35°F) |
-0°C (32°F) |
2°C (37°F) |
4°C (40°F) |
6°C (44°F) |
9°C (49°F) |
12°C (55°F) |
13°C (56°F) |
9°C (49°F) |
8°C (46°F) |
3°C (37°F) |
1°C (35°F) |
Compare temperature, precipitation, sunshine, UV index in Lake Nacimiento, California, United States with other places around the world.
Lake Nacimiento usually has the most precipitation in January, February and March, with an average of 7 rainy days and 93 mm (3.7 inches) of precipitation per month. The driest months in Lake Nacimiento are June, July and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 114 (4.5) | 78 (3.1) | 86 (3.4) | 24 (0.9) | 11 (0.4) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 10 (0.4) | 29 (1.2) | 72 (2.8) |
| Average precipitation days (≥ 1 mm) | 6 | 6 | 10 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 6 |
The sunniest months in Lake Nacimiento are May, June and July, when the sun shines an average of 12 hours 10 minutes a day. Least sunny months in Lake Nacimiento: January, February and December receive an average of 6 hours 46 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 172 | 225 | 276 | 309 | 363 | 372 | 384 | 355 | 312 | 293 | 241 | 218 |
| Mean daily daylight hours | 10h 2m | 10h 53m | 11h 59m | 13h 7m | 14h 3m | 14h 31m | 14h 16m | 13h 25m | 12h 20m | 11h 13m | 10h 15m | 9h 46m |
Lake Nacimiento 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 Lake Nacimiento UV Index data.
| 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 |
Discover in-depth weather details for every month in Lake Nacimiento. 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 Lake Nacimiento'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.