Batavia, IL Weather & Climate Normals
What a normal year in Batavia actually looks like
On the 30-year record NOAA keeps for Batavia, IL, the comfort score comes out to 44/100, 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 Batavia's weather actually swings
Average temperatures in Batavia run from 23°F in Jan up to 74°F in Jul, a 51.1°F seasonal swing, one of the widest gaps in this dataset.
Batavia, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 31°F | 16°F | 1.86in | 9.1in |
| Feb | 35°F | 20°F | 1.83in | 7.9in |
| Mar | 47°F | 29°F | 2.35in | 2.6in |
| Apr | 60°F | 39°F | 4.05in | 0.6in |
| May | 71°F | 50°F | 4.86in | 0in |
| Jun | 81°F | 60°F | 4.5in | 0in |
| Jul | 84°F | 65°F | 4.19in | 0in |
| Aug | 82°F | 63°F | 3.86in | 0in |
| Sep | 76°F | 55°F | 3.37in | 0in |
| Oct | 63°F | 43°F | 3.7in | 0in |
| Nov | 48°F | 32°F | 2.71in | 1.3in |
| Dec | 36°F | 22°F | 2.19in | 6.4in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Batavia's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Batavia actually gets
Over a typical year, Batavia sees about 39.47in of precipitation a year across roughly 116 days with measurable rain or snow, with 27.9in of snow a year.
Batavia against the rest of the country
Out of 4876 cities scored here, Batavia comes in at 3737; within IL alone it ranks 184 of 330. Population is about 26,555.
Checking the actual forecast
These figures come from Aurora, IL US, the NOAA station 4.7 miles from Batavia, 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