The Dalles in December
3.6out of 10
Not the best time
Cold: highs around 4°C. Very wet: about 16 rainy days.
4°CAvg high
-2°CAvg low
16Rainy days (134 mm)
8:31 hDaylight
07:45Sunrise · 16:16 Sunset
Why this score
- Cold: highs around 4°C
- Very wet: about 16 rainy days
- Nights fall to about -2°C
- Rain varies a lot between years (±4.8 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 (±4.8 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 | 5°C | -2°C | 117 mm | 15 | – | – | 3.9 |
| February | 7°C | -1°C | 92 mm | 13 | – | – | 4.7 |
| March | 11°C | 1°C | 87 mm | 14 | – | – | 5.4 |
| April | 15°C | 4°C | 60 mm | 11 | – | – | 6.5 |
| May | 20°C | 7°C | 41 mm | 8 | – | – | 7.7 |
| June | 24°C | 10°C | 23 mm | 5 | – | – | 8.4 |
| July | 29°C | 13°C | 7 mm | 2 | – | – | 8.8 |
| August | 29°C | 13°C | 7 mm | 2 | – | – | 8.8 |
| September | 25°C | 10°C | 19 mm | 3 | – | – | 8.7 |
| October | 17°C | 6°C | 58 mm | 9 | – | – | 7.1 |
| November | 9°C | 1°C | 104 mm | 14 | – | – | 4.9 |
| December | 4°C | -2°C | 134 mm | 16 | – | – | 3.6 |
Frequently asked questions
How hot is The Dalles in December?
Daytime highs average 4°C and nights about -2°C.
When is the best time to visit The Dalles?
The best months are July, August, September, June.