United States · 1991–2020 normal
Half Moon Bay in
January.
Typical January weather in Half Moon Bay: 15.5°C by day, 6.3°C at night, 134 mm of rain over 10.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high15.5°C
Typical low6.3°C
Rain134 mm
Wet days10.6
Comfort score 35 this month (August leads the year at 78). Daylight is calculated as 9 h 50 from latitude 37.46°. Open-water sea temperature is 12.2°C (11 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5354943
- NOAA station
- USC00043714 · HALF MOON BAY
- Station distance
- 1.6 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.