Historical Weather Records & Monthly Climate for Fort Collins, CO

All-Time High
100°F
All-Time Low
-31°F
Max Daily Snow
18"
Max Daily Rain
2.5"
Max Snow Depth
11"

Monthly Climate Averages for Fort Collins, CO

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January40°18°0.63"4.28"
February42°18°0.72"4.68"
March51°25°1.42"6.52"
April59°33°2.42"5.47"
May67°42°3.52"1.63"
June79°53°2.01"0
July86°59°1.67"0
August84°58°1.4"0
September76°50°1.45"0.48"
October62°38°1.41"2.47"
November49°27°0.85"4.21"
December40°19°0.64"4.27"

Historical Weather Extremes for Fort Collins, CO

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
17 Days
2020
Consecutive days ≥ 90°F
🧊
Deepest Freeze
23 Days
1949
Consecutive days ≤ 32°F
🏜️
Longest Drought
31 Days
1956
Consecutive days w/o rain
Wettest Month
3.14"
March 2021
Most rainfall in one month
Snowiest Month
21.2"
March 2021
Most snowfall in one month

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