United States · 1991–2020 normal

Norco in
May.

Typical May weather in Norco: 27°C by day, 11.4°C at night, 5 mm of rain over 1.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high27°C
Typical low11.4°C
Rain5 mm
Wet days1.1

Comfort score 84 this month (April leads the year at 87). Daylight is calculated as 13 h 54 from latitude 33.93°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5377199
NOAA station
USW00003179 · CHINO AP
Station distance
8.6 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.