United States · 1991–2020 normal
Boulder in
May.
Typical May weather in Boulder: 17.9°C by day, 1.9°C at night, 45 mm of rain over 8.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high17.9°C
Typical low1.9°C
Rain45 mm
Wet days8.7
Comfort score 50 this month (September leads the year at 73). Daylight is calculated as 14 h 57 from latitude 46.24°.
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.