Temperature
Cool by day, freezing at night.
Broomfield is usually most comfortable in April and October. Typical daytime highs range from 42–87°F across the year. Most months see little rain.

Cool by day, freezing at night.
Some precipitation is expected this month.
Plenty of sun this month.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 40° and nights feel near 22°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 47°F, easing to about 37°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 43 | 19 | 0.8 | 5 | 8.5 | 62 |
| Feb | 46 | 21 | 0.8 | 6 | 9.3 | 60 |
| Mar | 56 | 28 | 1.7 | 8 | 10.5 | 55 |
| Apr | 63 | 35 | 2.6 | 10 | 11.1 | 53 |
| May | 71 | 44 | 3.3 | 13 | 12.2 | 57 |
| Jun | 82 | 53 | 2.1 | 9 | 13.0 | 53 |
| Jul | 87 | 59 | 1.7 | 9 | 13.2 | 51 |
| Aug | 85 | 58 | 1.6 | 8 | 12.5 | 53 |
| Sep | 79 | 50 | 1.5 | 6 | 11.1 | 52 |
| Oct | 66 | 38 | 1.6 | 6 | 9.7 | 54 |
| Nov | 52 | 27 | 1.1 | 6 | 8.7 | 57 |
| Dec | 42 | 19 | 0.8 | 5 | 8.0 | 60 |
Similar climates
Want a side-by-side climate view? Compare Broomfield with New York City.
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 27, 2026
Data & methodology