Canada · 1991–2020 normal
Fort Simpson in
December.
Typical December weather in Fort Simpson: -17.6°C by day, -25.9°C at night, 20 mm of rain over 6.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-17.6°C
Typical low-25.9°C
Rain20 mm
Wet days6.7
Comfort score 5 this month (July leads the year at 85). Daylight is calculated as 5 h 15 from latitude 61.86°.
Event window
Long northern nights in December
At 61.9° the calculated mid-month daylight is 5 h 15. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -25.9°C.
Event window
Frost-level nights in December
The measured night-time normal is -25.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5955953
- NOAA station
- CA002202101 · FORT SIMPSON A
- Station distance
- 12.4 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.