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 298 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 (16–86°F scale). Tap a month to browse its races.
JanJanuary
16–39°F
11% rain
26 races
FebFebruary
18–43°F
11% rain
14 races
MarMarch
26–53°F
15% rain
13 races
AprApril
34–61°F
18% rain
16 races
MayMay
40–64°F
29% rain
20 races
JunJune
50–78°F
17% rain
16 races
JulJuly
57–86°F
13% rain
12 races
AugAugust
55–81°F
18% rain
17 races
SepSeptember
50–79°F
10% rain
12 races
OctOctober
33–58°F
11% rain
45 races
NovNovember
27–50°F
10% rain
78 races
DecDecember
21–43°F
7% rain
29 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 298 upcoming race days in Colorado — real race-day conditions in the US, not city-wide monthly normals. Daily lows land around sunrise, so the low end of each range is close to typical start-line temperature.