United States · 1991–2020 normal

Alta Sierra in
May.

Typical May weather in Alta Sierra: 21.6°C by day, 8.2°C at night, 64 mm of rain over 5.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high21.6°C
Typical low8.2°C
Rain64 mm
Wet days5.1

Comfort score 74 this month (June leads the year at 84). Daylight is calculated as 14 h 18 from latitude 39.14°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5323500
NOAA station
USC00043573 · GRASS VALLEY #2
Station distance
7.1 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.