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Springfield, IL Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Springfield, IL?
Springfield, IL gets 38.0 in of precipitation a year over about 115 rainy days, and about 21.8 in of snow a season. July is the warmest month (average high 86°F) and January the coldest (average low 20°F).
Humid continental climate
Springfield, IL has hot summers and cold winters. Daytime highs range from about 36°F in January to 86°F in July. June is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 72°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 23° | 39° |
| Spring | Mar–May | 43° | 64° |
| Summer | Jun–Aug | 64° | 85° |
| Autumn | Sep–Nov | 44° | 66° |
How much rain does Springfield get?
Springfield gets 38.0 in of precipitation in an average year, spread over about 115 days with measurable rain. That is more rainy days than 73% of the US.
June is the wettest month, with 4.6 in. February is the driest, with 1.9 in. May has the most rainy days, about 13.
The longest dry spell in the last five years lasted 22 days, to June 10, 2023.
From September 2025 to August 2026 Springfield got 38.8 in of rain, against a normal of 38.0 in for those months. March 2026 had the most, with 8.2 in.
See where Springfield ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Illinois.
Does it snow in Springfield?
Yes. Springfield gets about 21.8 in of snow in an average season, measured at the reporting station.
The snowiest winter on record is 1977–78, with 52.2 in.
The most recent measurable snow at the station fell on March 18, 2026.
From September 2025 to August 2026 the station measured 26.2 in of snow, against a normal of 21.8 in for those months. December 2025 had the most, with 10.0 in.
See where Springfield ranks: snowiest cities in the US.
Springfield weather by month
Springfield weather in January
In January, Springfield averages a high of 36°F and a low of 20°F. It gets 2.0 in of precipitation over about 10 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The January record high is 69°F (2008) and the record low is -21°F (1999).
Springfield weather in February
In February, Springfield averages a high of 41°F and a low of 23°F. It gets 1.9 in of precipitation over about 9 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The February record high is 80°F (2024) and the record low is -20°F (1979).
Springfield weather in March
In March, Springfield averages a high of 53°F and a low of 33°F. It gets 2.8 in of precipitation over about 11 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The March record high is 92°F (2026) and the record low is -6°F (1978).
Springfield weather in April
In April, Springfield averages a high of 65°F and a low of 43°F. It gets 4.0 in of precipitation over about 12 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The April record high is 90°F (1986) and the record low is 16°F (2018). April is one of the most comfortable months to visit.
Springfield weather in May
In May, Springfield averages a high of 75°F and a low of 54°F. It gets 4.5 in of precipitation over about 13 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The May record high is 98°F (2018) and the record low is 29°F (1976). May is one of the most comfortable months to visit.
Springfield weather in June
In June, Springfield averages a high of 84°F and a low of 63°F. It gets 4.6 in of precipitation over about 11 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The June record high is 101°F (1988) and the record low is 39°F (2003).
Springfield weather in July
In July, Springfield averages a high of 86°F and a low of 66°F. It gets 3.9 in of precipitation over about 9 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The July record high is 104°F (2012) and the record low is 48°F (1972).
Springfield weather in August
In August, Springfield averages a high of 85°F and a low of 64°F. It gets 3.4 in of precipitation over about 8 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The August record high is 102°F (1988) and the record low is 43°F (1986).
Springfield weather in September
In September, Springfield averages a high of 80°F and a low of 56°F. It gets 2.9 in of precipitation over about 7 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The September record high is 102°F (2011) and the record low is 32°F (1995). September is one of the most comfortable months to visit.
Springfield weather in October
In October, Springfield averages a high of 67°F and a low of 44°F. It gets 3.3 in of precipitation over about 9 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The October record high is 93°F (2006) and the record low is 19°F (1992). October is one of the most comfortable months to visit.
Springfield weather in November
In November, Springfield averages a high of 52°F and a low of 34°F. It gets 2.7 in of precipitation over about 9 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The November record high is 82°F (2016) and the record low is 1°F (1991).
Springfield weather in December
In December, Springfield averages a high of 40°F and a low of 25°F. It gets 2.1 in of precipitation over about 9 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The December record high is 74°F (1970) and the record low is -21°F (1989).
Sunshine, humidity and wind in Springfield
September is the sunniest month in Springfield, with estimated sunshine of 58% of daylight hours from ERA5 cloud cover. January is the cloudiest, at 31%. The annual cloud-cover estimate is 46% of daylight hours; it is not a measurement of sunshine duration. Springfield is cloudier than 52% of the US.
Humidity peaks in July at 76% and is lowest in April at 60%.
Wind averages 9 mph over the year, and April is the windiest month at 11 mph.
Springfield has about 29 days a year above 90°F. Springfield is hotter than 50% of the US.
Thunderstorms occur on about 45 days a year.
See where Springfield ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Springfield
The first fall freeze in Springfield typically comes around October 15, and the last spring freeze around April 15. That leaves a frost-free growing season of about 183 days.
Springfield weather records
These records cover SPRINGFIELD ABRAHAM LINCOLN CA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Springfield station is 104°F, on July 6, 2012. The coldest is -21°F, on January 17, 1977.
The wettest day in the available station history brought 5.6 in of precipitation, on August 12, 2016.
36 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°F per decade since 1970.
The best time to visit Springfield
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 72°F.
Winter (December–February) is cold, with average highs around 39°F and lows near 23°F. Snow is possible.
Spring (March–May) is mild, with average highs around 64°F and lows near 43°F.
Summer (June–August) is hot, with average highs around 85°F and lows near 64°F. It can feel humid.
Autumn (September–November) is mild, with average highs around 66°F and lows near 44°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Wind | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|---|
| January | 20° | 36° | 2.0 in | 10 | 11 mph | 75% | 31% | 69° | -21° |
| February | 23° | 41° | 1.9 in | 9 | 11 mph | 69% | 44% | 80° | -20° |
| March | 33° | 53° | 2.8 in | 11 | 11 mph | 64% | 38% | 92° | -6° |
| April | 43° | 65° | 4.0 in | 12 | 11 mph | 60% | 43% | 90° | 16° |
| May | 54° | 75° | 4.5 in | 13 | 9 mph | 64% | 38% | 98° | 29° |
| June | 63° | 84° | 4.6 in | 11 | 8 mph | 63% | 53% | 101° | 39° |
| July | 66° | 86° | 3.9 in | 9 | 6 mph | 76% | 50% | 104° | 48° |
| August | 64° | 85° | 3.4 in | 8 | 6 mph | 76% | 52% | 102° | 43° |
| September | 56° | 80° | 2.9 in | 7 | 7 mph | 68% | 58% | 102° | 32° |
| October | 44° | 67° | 3.3 in | 9 | 9 mph | 64% | 56% | 93° | 19° |
| November | 34° | 52° | 2.7 in | 9 | 10 mph | 65% | 52% | 82° | 1° |
| December | 25° | 40° | 2.1 in | 9 | 10 mph | 73% | 36% | 74° | -21° |
Station: SPRINGFIELD ABRAHAM LINCOLN CA, 6 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Springfield climate questions
How much rain does Springfield get?
Springfield gets 38.0 in of precipitation in an average year, over about 115 rainy days.
What is the wettest month in Springfield?
June is the wettest month in Springfield, with 4.6 in. February is the driest, with 1.9 in.
How many rainy days does Springfield have a year?
Springfield has about 115 days with measurable rain in an average year. May has the most, about 13.
Does it snow in Springfield?
Yes. Springfield gets about 21.8 in of snow in an average season. The snowiest winter on record is 1977–78, with 52.2 in.
What is the hottest month in Springfield?
July is the warmest month in Springfield, with an average high of 86°F.
What is the coldest month in Springfield?
January is the coldest month in Springfield, with an average low of 20°F.
What is the record high temperature in Springfield?
Within the available 1970–2026 station history, the record high at the Springfield station is 104°F, set on July 6, 2012. The record low is -21°F, on January 17, 1977.
What is the sunniest month in Springfield?
September is the sunniest month in Springfield, with estimated sunshine of 58% of daylight hours from ERA5 cloud cover. January is the cloudiest.
When is the first frost in Springfield?
The first fall freeze in Springfield typically comes around October 15. The last spring freeze is around April 15.
What is the best time to visit Springfield?
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 72°F.