Post Falls in December
3.5out of 10
Not the best time
Cold: highs around 1°C. Frequent rain: about 14 rainy days.
1°CAvg high
-3°CAvg low
14Rainy days (97 mm)
8:14 hDaylight
07:37Sunrise · 15:51 Sunset
Why this score
- Cold: highs around 1°C
- Frequent rain: about 14 rainy days
- Nights fall to about -3°C
- Rain varies a lot between years (±4.0 days)
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in December varies a lot between years (±4.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 2°C | -4°C | 91 mm | 14 | – | – | 3.5 |
| February | 4°C | -3°C | 64 mm | 12 | – | – | 4.4 |
| March | 9°C | 0°C | 81 mm | 14 | – | – | 5.0 |
| April | 14°C | 3°C | 68 mm | 13 | – | – | 6.1 |
| May | 20°C | 7°C | 59 mm | 9 | – | – | 7.5 |
| June | 23°C | 10°C | 43 mm | 8 | – | – | 8.0 |
| July | 29°C | 14°C | 18 mm | 3 | – | – | 8.5 |
| August | 29°C | 14°C | 17 mm | 3 | – | – | 8.6 |
| September | 24°C | 10°C | 27 mm | 5 | – | – | 8.5 |
| October | 15°C | 4°C | 63 mm | 10 | – | – | 6.6 |
| November | 6°C | 0°C | 96 mm | 14 | – | – | 4.4 |
| December | 1°C | -3°C | 97 mm | 14 | – | – | 3.5 |
Frequently asked questions
How hot is Post Falls in December?
Daytime highs average 1°C and nights about -3°C.
When is the best time to visit Post Falls?
The best months are August, July, September, June.