United States · 1991–2020 normal

Hillsborough in
December.

Typical December weather in Hillsborough: 14.1°C by day, 7.3°C at night, 105 mm of rain over 8.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high14.1°C
Typical low7.3°C
Rain105 mm
Wet days8.7

Comfort score 39 this month (September leads the year at 95). Daylight is calculated as 9 h 35 from latitude 37.57°. Open-water sea temperature is 12.5°C (22 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5357155
NOAA station
USW00023234 · SAN FRANCISCO INTL AP
Station distance
5.2 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.