Historical weather data, all-time temperature records, and monthly climate averages for Batavia, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Batavia lands right in that unpredictable stretch of spring — average highs of 55° with lows still dipping to 33°. The date has swung from a balmy 76° back in 2005 to a bitter 20° low in 2016, so pack layers. There's a 39% chance of rain, but snow is off the table.
Batavia earns its Midwest credentials with a jaw-dropping 129-degree swing between its all-time extremes — from 100° on July 24, 2005 to -29° on January 31, 2019. The wettest single day on record dumped 6.02 inches on September 13, 2008, a reminder that late-summer storms here mean business.
Summer is the clear sweet spot, with highs peaking around 85° the week of July 16–22 before tapering into a pleasant fall. Winter bites hard — the coldest week of the year averages just 28° highs in mid-January. If you're watching for rain, May is the wettest month, with the week of May 7–13 averaging 1.35 inches of precipitation.