United States · 1991–2020 normal
Alamo in
December.
Typical December weather in Alamo: 11.5°C by day, -2.8°C at night, 11 mm of rain over 1.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high11.5°C
Typical low-2.8°C
Rain11 mm
Wet days1.5
Comfort score 27 this month (October leads the year at 81). Daylight is calculated as 9 h 36 from latitude 37.36°.
Event window
Frost-level nights in December
The measured night-time normal is -2.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5499105
- NOAA station
- USC00265880 · PAHRANAGAT WR
- Station distance
- 11.3 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.