Seymour, IN Weather & Climate Normals
What a normal year in Seymour actually looks like
On the 30-year record NOAA keeps for Seymour, IN, the comfort score comes out to 49/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Seymour's weather actually swings
Average temperatures in Seymour run from 30°F in Jan up to 75°F in Jul, a 45°F seasonal swing, a middling gap by national standards.
Seymour, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 38°F | 22°F | 3.39in | 2.8in |
| Feb | 42°F | 24°F | 3.09in | 1.8in |
| Mar | 52°F | 32°F | 4.26in | 2in |
| Apr | 65°F | 42°F | 5.43in | 0in |
| May | 74°F | 53°F | 5.43in | 0in |
| Jun | 82°F | 61°F | 4.99in | 0in |
| Jul | 85°F | 64°F | 4.18in | 0in |
| Aug | 84°F | 62°F | 4.31in | 0in |
| Sep | 78°F | 54°F | 3.36in | 0in |
| Oct | 67°F | 42°F | 3.59in | 0.2in |
| Nov | 53°F | 33°F | 3.72in | 0.1in |
| Dec | 42°F | 26°F | 3.82in | 1.1in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Seymour's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Seymour actually gets
Over a typical year, Seymour sees about 49.57in of precipitation a year across roughly 108 days with measurable rain or snow, with 8in of snow a year.
Seymour against the rest of the country
Out of 4876 cities scored here, Seymour comes in at 2116; within IN alone it ranks 29 of 126. Population is about 22,524.
Checking the actual forecast
These figures come from Seymour 2 N, IN US, the NOAA station 2.5 miles from Seymour, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is