United States · 1991–2020 normal
Irrigon in
December.
Typical December weather in Irrigon: 5.2°C by day, -3.2°C at night, 33 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high5.2°C
Typical low-3.2°C
Rain33 mm
Wet days8
Comfort score 5 this month (May leads the year at 84). Daylight is calculated as 8 h 40 from latitude 45.90°.
Event window
Frost-level nights in December
The measured night-time normal is -3.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5733120
- NOAA station
- USC00353818 · HERMISTON 2 NW
- Station distance
- 14.4 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.