Temperature
Cool by day, freezing at night.
Alturas is usually most comfortable in June and August. Typical daytime highs range from 42–91°F across the year. Most months see little rain.

Cool by day, freezing at night.
Some precipitation is expected this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 42° and nights feel near 26°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 48°F, easing to about 40°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 43 | 26 | 2.5 | 11 | 6.8 | 75 |
| Feb | 46 | 27 | 2.3 | 10 | 8.3 | 71 |
| Mar | 53 | 31 | 2.4 | 12 | 9.6 | 66 |
| Apr | 60 | 36 | 2.2 | 11 | 11.2 | 60 |
| May | 70 | 44 | 2.0 | 8 | 12.5 | 53 |
| Jun | 81 | 53 | 0.9 | 4 | 13.5 | 43 |
| Jul | 91 | 60 | 0.2 | 2 | 13.9 | 33 |
| Aug | 89 | 58 | 0.4 | 2 | 13.3 | 35 |
| Sep | 81 | 50 | 0.7 | 3 | 11.7 | 42 |
| Oct | 68 | 40 | 1.3 | 5 | 9.8 | 55 |
| Nov | 52 | 32 | 2.2 | 9 | 7.5 | 71 |
| Dec | 42 | 26 | 3.1 | 12 | 6.2 | 76 |
Similar climates
Want a side-by-side climate view? Compare Alturas with American Fork.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology