Spring
63°F / 36°F
March, April, May: about 6.1 in of rain and 17 in of snow.
Plan a visit
Best time to visit Fort Collins
June, August, September bring mild highs and the least rain.
Best time to visit
June · August · September
Highs between 65°F and 85°F with the least rain of the year. Hottest: July (87°F). Coldest nights: January (18°F). Wettest: May.
Fort Collins by season
Summer
85°F / 56°F
June, July, August: about 4.9 in of rain.
Fall
65°F / 37°F
September, October, November: about 3.3 in of rain and 12 in of snow.
Winter
45°F / 19°F
December, January, February: about 1.4 in of rain and 22 in of snow.
Month-by-month planner
| Month | Weather | High / low | Rain | Local guides |
|---|---|---|---|---|
| January | Cool | 45°F / 18°F | 0.40 in | |
| February | Cool | 47°F / 21°F | 0.50 in | Valentine’s Day |
| March | Good | 56°F / 29°F | 1.3 in | St. Patrick’s Day |
| April | Good | 63°F / 35°F | 2.1 in | |
| May | Wet | 71°F / 44°F | 2.7 in | |
| June | Great | 82°F / 53°F | 1.9 in | Fourth of July |
| July | Good | 87°F / 59°F | 1.6 in | Fourth of July |
| August | Great | 85°F / 57°F | 1.4 in | |
| September | Great | 77°F / 48°F | 1.4 in | Halloween |
| October | Good | 64°F / 36°F | 1.2 in | Halloween |
| November | Cool | 53°F / 26°F | 0.70 in | Halloween, Thanksgiving, Christmas |
| December | Cool | 44°F / 18°F | 0.50 in | Christmas, New Year’s Eve |
“Great” means highs between 65°F and 85°F with fewer than 10 wet days. Averages are NOAA’s 1991–2020 normals for the Ft Collins station, not a forecast.
Around Fort Collins
See Fort Collins before you go
THINGS TO DO · YOUTUBE SHORT
Planning a trip to Fort Collins, CO? 🦋
A local activity Short shared by Happy Nomads.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
Things We Love in Old Town Fort Collins
A local activity Short shared by Colorado State University.
Watch on YouTube ↗Questions
What is the best month to visit Fort Collins?
June, August, September: highs between 65°F and 85°F with the least rain.
What is the hottest month in Fort Collins?
July, averaging 87°F highs.
What is the coldest month in Fort Collins?
January, with average lows of 18°F.
What is the rainiest month in Fort Collins?
May, averaging 2.7 in of precipitation.
When are the big holidays in Fort Collins?
See the local guides: Halloween (October), Thanksgiving (November), Christmas lights (late November to December), New Year’s Eve.