Greeley in May
7.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 23°C. Frequent rain: about 10 rainy days.
23°CAvg high
8°CAvg low
10Rainy days (68 mm)
14:15 hDaylight
05:48Sunrise · 20:02 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Frequent rain: about 10 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.5 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 | 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 May?
Daytime highs average 23°C and nights about 8°C.
When is the best time to visit Greeley?
The best months are September, June, October.