Race weather · 10-year data
When to race in Colorado
Typical race-day conditions for every month, averaged from 10 years of weather history across 352 upcoming race days in Colorado — the same data shown on every race page on Find The Run.
Month by month
Bars show the typical race-day range (18–86°F scale). Tap a month to browse its races.
JanJanuary
19–42°F
10% rain
5 races
FebFebruary
18–43°F
11% rain
8 races
MarMarch
24–50°F
16% rain
4 races
AprApril
34–60°F
19% rain
8 races
MayMay
40–65°F
27% rain
9 races
JunJune
49–76°F
15% rain
7 races
JulJuly
59–86°F
16% rain
8 races
AugAugust
56–83°F
15% rain
84 races
SepSeptember
49–76°F
11% rain
98 races
OctOctober
38–64°F
11% rain
60 races
NovNovember
27–51°F
9% rain
39 races
DecDecember
21–44°F
6% rain
22 races
Races in the sweet spot
Upcoming Colorado races in the best-weather months.
How this is measured: every race on Find The Run carries 10 years of weather history for its exact location and calendar date. These monthly figures average that data across all 352 upcoming race days in Colorado — real race-day conditions in the US, not city-wide monthly normals.