Temperature
Cold by day, freezing at night.
Cold days and plenty of sun. Some snow or mixed precipitation is possible.

Cold by day, freezing at night.
Some snow or mixed precipitation is possible this month.
Plenty of sun this month.
Humidity is rarely noticeable in the cool air.
In April, afternoons feel about 33° and nights feel near 19°.
Mostly clear skies this month.
Calm winds are typical in April.
April late afternoons are around 40°F, easing to about 35°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 61 | 42 | 1.8 | 11 | 13.6 | 62 |
| Feb | 61 | 42 | 1.2 | 9 | 12.9 | 59 |
| Mar | 58 | 38 | 1.0 | 6 | 11.8 | 58 |
| Apr | 49 | 30 | 1.6 | 6 | 10.7 | 60 |
| May | 37 | 21 | 3.4 | 9 | 9.5 | 63 |
| Jun | 28 | 17 | 6.5 | 11 | 8.2 | 61 |
| Jul | 27 | 16 | 4.0 | 9 | 8.8 | 56 |
| Aug | 29 | 18 | 4.6 | 10 | 9.6 | 57 |
| Sep | 33 | 19 | 3.0 | 9 | 10.6 | 66 |
| Oct | 39 | 23 | 1.8 | 9 | 12.3 | 77 |
| Nov | 46 | 28 | 1.4 | 9 | 13.1 | 78 |
| Dec | 55 | 35 | 1.5 | 11 | 13.8 | 68 |
Similar climates
Want a side-by-side climate view? Compare Portillo with Breckenridge.
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: Aug 7, 2026
Data & methodology