United States · 1991–2020 normal

Eureka in
December.

Typical December weather in Eureka: 7.8°C by day, -4.9°C at night, 42 mm of rain over 4.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.8°C
Typical low-4.9°C
Rain42 mm
Wet days4.3

Comfort score 8 this month (September leads the year at 73). Daylight is calculated as 9 h 33 from latitude 37.82°.

Event window

Frost-level nights in December

The measured night-time normal is -4.9°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4271159
NOAA station
USC00142622 · EUREKA 1E
Station distance
2.2 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.