Greeley Weather Year-Round — Best Time to Visit
Greeley, United States has mild weather year-round. The best time to visit is September (score: 92/100). Annual average high: 18°C, total rainfall: 356mm.
When is the best time to visit Greeley?
92
September is the best month to visit Greeley with a travel score of 92/100 (Excellent).
Expect highs of 26.4°C, 5 rain days, and 10.9 hours of daily sunshine.
View September weather details →Travel Score by Month
64
Jan
66
Feb
71
Mar
73
Apr
79
May
90
Jun
92
Jul
92
Aug
92
Sep
80
Oct
70
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Greeley each month?
18°C
Avg High
3.8°C
Avg Low
356mm
Annual Rain
How much rain does Greeley get?
Greeley receives 356mm of rain annually. The wettest month is typically May with 69mm, while January is the driest.
What is the weather like each month in Greeley?
January
64
6°C
Low: -7°C
3 rain days
Good
February
66
7°C
Low: -7°C
4 rain days
Good
March
71
13°C
Low: -3°C
5 rain days
Good
April
73
17°C
Low: 2°C
8 rain days
Good
May
79
22°C
Low: 7°C
9 rain days
Good
June
90
29°C
Low: 13°C
7 rain days
Excellent
July
92
32°C
Low: 17°C
6 rain days
Excellent
August
92
31°C
Low: 16°C
6 rain days
Excellent
September
Best time to visit92
26°C
Low: 11°C
5 rain days
Excellent
October
80
18°C
Low: 4°C
5 rain days
Good
November
70
11°C
Low: -2°C
4 rain days
Good
December
63
5°C
Low: -7°C
3 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31