Temperature
Pleasant by day, cold at night.
70°Ftypical May high
Typical range
Mild days with cool nights and plenty of sun.

Pleasant by day, cold at night.
Some precipitation is expected this month.
Plenty of sun this month.
In May, afternoons feel about 61° and nights feel near 43°.
Partly cloudy skies this month.
Calm winds are typical in May.
May late afternoons are around 67°F, easing to about 62°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 38 | 23 | 2.8 | 11 | 7.5 | 78 |
| Feb | 42 | 26 | 2.3 | 11 | 8.6 | 74 |
| Mar | 51 | 33 | 2.6 | 11 | 10.2 | 68 |
| Apr | 59 | 38 | 2.8 | 11 | 11.6 | 66 |
| May | 70 | 46 | 2.3 | 11 | 12.7 | 60 |
| Jun | 85 | 56 | 1.2 | 6 | 14.1 | 46 |
| Jul | 94 | 65 | 0.8 | 5 | 14.1 | 40 |
| Aug | 91 | 64 | 1.1 | 6 | 12.8 | 43 |
| Sep | 81 | 55 | 1.7 | 6 | 11.6 | 50 |
| Oct | 66 | 43 | 2.1 | 9 | 9.8 | 61 |
| Nov | 50 | 31 | 2.0 | 8 | 8.2 | 71 |
| Dec | 38 | 23 | 2.6 | 11 | 7.2 | 78 |
Similar climates
Want a side-by-side climate view? Compare American Fork with Algona.
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