United States · 1991–2020 normal

Boulder in
March.

Typical March weather in Boulder: 8.7°C by day, -5.9°C at night, 10 mm of rain over 3.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high8.7°C
Typical low-5.9°C
Rain10 mm
Wet days3.4

Comfort score 12 this month (September leads the year at 73). Daylight is calculated as 11 h 45 from latitude 46.24°.

Event window

Frost-level nights in March

The measured night-time normal is -5.9°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5641473
NOAA station
USC00241008 · BOULDER
Station distance
0.8 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.