Race weather · 10-year data
When to race in Iowa
Typical race-day conditions for every month, averaged from 10 years of weather history across 169 upcoming race days in Iowa — the same data shown on every race page on Find The Run.
Month by month
Bars show the typical race-day range (16–84°F scale). Tap a month to browse its races.
JanJanuary
16–32°F
15% rain
7 races
FebFebruary
18–37°F
15% rain
8 races
MarMarch
31–49°F
23% rain
8 races
AprApril
40–60°F
27% rain
20 races
MayMay
51–70°F
27% rain
19 races
JunJune
63–81°F
26% rain
9 races
JulJuly
67–84°F
28% rain
9 races
AugAugust
65–82°F
22% rain
8 races
SepSeptember
60–78°F
22% rain
4 races
OctOctober
44–60°F
20% rain
20 races
NovNovember
31–47°F
13% rain
43 races
DecDecember
22–37°F
11% rain
14 races
Races in the sweet spot
Upcoming Iowa 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 169 upcoming race days in Iowa — 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.