Caldwell in December
4.8out of 10
Not the best time
Cold: highs around 5°C. Frequent rain: about 10 rainy days.
5°CAvg high
-2°CAvg low
10Rainy days (42 mm)
8:46 hDaylight
08:20Sunrise · 17:06 Sunset
Why this score
- Cold: highs around 5°C
- Frequent rain: about 10 rainy days
- Nights fall to about -2°C
- Rain varies a lot between years (±4.4 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 (±4.4 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 | -3°C | 39 mm | 9 | – | – | 4.9 |
| February | 9°C | -1°C | 26 mm | 7 | – | – | 5.9 |
| March | 15°C | 3°C | 30 mm | 8 | – | – | 7.0 |
| April | 20°C | 6°C | 25 mm | 6 | – | – | 7.9 |
| May | 25°C | 10°C | 26 mm | 6 | – | – | 8.4 |
| June | 30°C | 14°C | 13 mm | 3 | – | – | 8.4 |
| July | 36°C | 18°C | 3 mm | 1 | – | – | 7.1 |
| August | 35°C | 17°C | 3 mm | 1 | – | – | 7.4 |
| September | 29°C | 12°C | 9 mm | 2 | – | – | 8.8 |
| October | 20°C | 6°C | 18 mm | 4 | – | – | 8.2 |
| November | 11°C | 1°C | 29 mm | 8 | – | – | 6.2 |
| December | 5°C | -2°C | 42 mm | 10 | – | – | 4.8 |
Frequently asked questions
How hot is Caldwell in December?
Daytime highs average 5°C and nights about -2°C.
When is the best time to visit Caldwell?
The best months are September, May, June.