Greeley in December
5.5out of 10
Possible, with caveats
Cold: highs around 6°C. Very dry: about 3 rainy days.
6°CAvg high
-6°CAvg low
3Rainy days (11 mm)
9:08 hDaylight
07:21Sunrise · 16:29 Sunset
Why this score
- Cold: highs around 6°C
- Very dry: about 3 rainy days
- Nights fall to about -6°C
What to wear and pack
- Winter coat, hat and scarf
- Gloves for freezing mornings
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.0 days). 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 | 6°C | -7°C | 11 mm | 3 | – | – | 5.6 |
| February | 8°C | -6°C | 11 mm | 3 | – | – | 5.9 |
| March | 14°C | -2°C | 29 mm | 5 | – | – | 6.9 |
| April | 18°C | 2°C | 48 mm | 8 | – | – | 7.4 |
| May | 23°C | 8°C | 68 mm | 10 | – | – | 7.8 |
| June | 29°C | 13°C | 40 mm | 7 | – | – | 8.1 |
| July | 32°C | 16°C | 36 mm | 8 | – | – | 7.2 |
| August | 31°C | 15°C | 32 mm | 7 | – | – | 7.7 |
| September | 27°C | 10°C | 27 mm | 4 | – | – | 8.5 |
| October | 19°C | 4°C | 30 mm | 5 | – | – | 7.9 |
| November | 11°C | -2°C | 17 mm | 4 | – | – | 6.5 |
| December | 6°C | -6°C | 11 mm | 3 | – | – | 5.5 |
Frequently asked questions
How hot is Greeley in December?
Daytime highs average 6°C and nights about -6°C.
When is the best time to visit Greeley?
The best months are September, June, October.