United States · 1991–2020 normal

Mission in
December.

Typical December weather in Mission: 5.6°C by day, -2.5°C at night, 56 mm of rain over 10.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high5.6°C
Typical low-2.5°C
Rain56 mm
Wet days10.5

Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 8 h 42 from latitude 45.67°.

Event window

Frost-level nights in December

The measured night-time normal is -2.5°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5741069
NOAA station
USC00356540 · PENDLETON BRANCH EXP STN
Station distance
7.1 km from the place centre
Coverage
Strong coverage · 27 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.