Springfield averages 34.9 days a year above 90°F, with May the wettest month at 6.05 in of normal rain. The hottest day on record was 104°F on Jul 29, 2012; the coldest, −15°F on Feb 16, 2021. The single biggest 24-hour rain event recorded was 5.81 in on Dec 26, 2015.
Climate and Average Weather Year Round in Springfield
Year-round temperature
In Springfield, the warmest months are June through September, with average daily highs between 81°F and 88°F. The coldest stretch runs December through February, with highs between 43°F and 48°F and overnight lows reaching 23°F.
Rainfall through the year
Rainfall in Springfield averages 3.9 in per month over the long run. May is the wettest at 6.0 in, while February is the driest at 2.4 in.
Days at 90 °F or hotter
Springfield averages 34.9 days per year at 90 °F or hotter. The hottest year on record saw 58 such days (2012); the coolest just 5 (2011).
Precipitation this year
As of May 28, Springfield has received 17.3 in of precipitation this year — 10% below the long-term normal for this point in the year (19.2 in).