Weather · Half Moon Bay, United States
Half Moon Bay Weather in January
Half Moon Bay in January runs 14°C / 7°C with 128mm of rain, not the easiest month, weather-wise.
Avg high
14°C
57°F
Avg low
7°C
45°F
Rainfall
128mm
#2 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Half Moon Bay builds it around the season for you.