Best Time to Visit Greeley
Best time: Jul, Aug, Jun, Sep.
Jul is warmest (31.5°C high); May is rainiest (64 mm).
Greeley weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 4.4 | -10 | 10 | 3.8 |
| Feb | 8.1 | -6.9 | 8 | 5.2 |
| Mar | 12.6 | -3.1 | 28 | 7.3 |
| Apr | 17.1 | 1.1 | 39 | 8.6 |
| May | 22.4 | 6.6 | 64 | 10.2 |
| Jun | 28.2 | 11.6 | 51 | 11.4 |
| Jul | 31.5 | 14.2 | 42 | 11.4 |
| Aug | 30.2 | 13.4 | 33 | 9.9 |
| Sep | 25.4 | 8.1 | 34 | 8.2 |
| Oct | 18.9 | 1.6 | 22 | 5.9 |
| Nov | 10.2 | -4.6 | 18 | 4 |
| Dec | 5.4 | -9.1 | 11 | 3.4 |
Average high temperature
Best months by activity
Overall: JulAugJunSep
Beaches: AugJulJunSep
Hiking: OctSepJunApr
Sightseeing: JulAugJunSep
Greeley quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Greeley?
Jul, Aug, Jun, Sep.
What is the rainiest month?
May, about 64 mm.
What is the warmest month?
Jul, with average highs of 31.5°C.
Where to stay
See Greeley hotels · Book Greeley tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.