Etna, CA
Climate overview — based on NOAA 1991-2020 normals from CALLAHAN, CA US.
Year-round temperatures (°F)
Climate summary
Etna has an annual average temperature of 52.4°F with about 20.8 inches of precipitation per year and 4.4 inches of snow. The warmest month is July (average high 90.0°F), and the coldest is December (average low 27.6°F). December is typically the wettest month (3.75 in) and August the driest (0.29 in). Snow typically falls from November through April.
Best time to visit Etna
Full guide →Climate change signal
All-time records →21 of 366 (5.7%) of Etna's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 0 | |
| 1950s | 88 | |
| 1960s | 113 | |
| 1970s | 22 | |
| 1980s | 42 | |
| 1990s | 35 | |
| 2000s | 32 | |
| 2010s | 34 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 47.6°F | 27.7°F | 37.7°F | 3.48 in | 0.4 in | 13 |
| February | 52.7°F | 29.7°F | 41.2°F | 2.80 in | — | 11 |
| March | 58.7°F | 32.1°F | 45.4°F | 2.38 in | 1.1 in | 13 |
| April | 64.5°F | 35.1°F | 49.8°F | 1.37 in | 0.3 in | 10 |
| May | 73.0°F | 40.3°F | 56.6°F | 1.55 in | — | 8 |
| June | 81.1°F | 44.9°F | 63.0°F | 0.69 in | — | 4 |
| July | 90.0°F | 50.7°F | 70.4°F | 0.47 in | — | 3 |
| August | 89.0°F | 49.0°F | 69.0°F | 0.29 in | — | 2 |
| September | 82.6°F | 43.3°F | 63.0°F | 0.38 in | — | 2 |
| October | 69.5°F | 36.4°F | 53.0°F | 1.34 in | — | 6 |
| November | 54.1°F | 31.4°F | 42.7°F | 2.27 in | 1.1 in | 11 |
| December | 46.0°F | 27.6°F | 36.8°F | 3.75 in | 1.5 in | 13 |
Climate twins of Etna
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).