United States · 1991–2020 normal
Millbrae in
December.
Typical December weather in Millbrae: 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 37.60°. Open-water sea temperature is 12.2°C (21 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5373129
- NOAA station
- USW00023234 · SAN FRANCISCO INTL AP
- Station distance
- 3 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.