United States · 1991–2020 normal

Atherton in
December.

Typical December weather in Atherton: 14.9°C by day, 4.7°C at night, 95 mm of rain over 7.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high14.9°C
Typical low4.7°C
Rain95 mm
Wet days7.2

Comfort score 39 this month (October leads the year at 91). Daylight is calculated as 9 h 35 from latitude 37.46°. Open-water sea temperature is 12.5°C (18 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5325147
NOAA station
USC00047339 · REDWOOD CITY
Station distance
4 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.