Springfield (IL)
May
Weather in Springfield, Illinois for May 2026
Your guide to Springfield weather in May - trends and predictions
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The forecast for the next days in Springfield predicts temperatures to be around 19 °F, close to the historical average.
In general, the average temperature in Springfield at the beginning of May is 18 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.6 °F by the end of May.
Springfield in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 193.9 mm.
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12
Dry days
19
Rainy days
0
Snow days
21°/13°
Temperatures
22 km/h
Avg max wind
75 %
Avg humidity
Springfield Weather May
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Temperatures trend during May in Springfield
See the weather trend as well as the moving average line
May weather in Springfield day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Thundery outbreaks possible | 19° /12° | 18.2 mm | 6 | |
| May 2 |  Overcast | 19° /10° | 3.4 mm | 7 | |
| May 3 |  Patchy rain possible | 19° /13° | 0.4 mm | 5 | |
| May 4 |  Moderate rain | 25° /14° | 6.5 mm | 6.7 | |
| May 5 | Patchy rain possible | 15° /12° | 1.9 mm | 1.4 | |
| May 6 | Patchy rain possible | 13° /7° | 2.3 mm | 3.3 | |
| May 7 | Patchy rain possible | 16° /6° | 0.4 mm | 6.7 | |
| May 8 | Patchy rain possible | 15° /9° | 1.7 mm | 0.1 | |
| May 9 |  Sunny | 20° /7° | 0 mm | 4 | |
| May 10 | Patchy rain possible | 16° /12° | 2.2 mm | 3 | |
| May 11 | Sunny | 18° /9° | 0 mm | 4 | |
| May 12 |  Partly cloudy | 19° /9° | 0 mm | 4 | |
| May 13 | Patchy rain possible | 21° /13° | 1.1 mm | 4 | |
| May 14 | Sunny | 25° /14° | 0 mm | 5 | |
| May 15 | Sunny | 25° /15° | 0 mm | 5 | |
| May 16 | Sunny | 19° /12° | 0.1 mm | 5 | |
| May 17 | Overcast | 16° /12° | 0 mm | 3 | |
| May 18 | Patchy rain possible | 24° /12° | 0.1 mm | 6 | |
| May 19 | Thundery outbreaks possible | 22° /15° | 52.6 mm | 5 | |
| May 20 |  Patchy light rain with thunder | 24° /15° | 23.6 mm | 6 | |
| May 21 | Patchy light rain with thunder | 23° /14° | 4.6 mm | 5 | |
| May 22 | Light rain shower | 19° /12° | 3.4 mm | 5 | |
| May 23 | Patchy rain possible | 21° /11° | 0 mm | 5 | |
| May 24 |  Moderate or heavy rain with thunder | 23° /14° | 4.2 mm | 5 | |
| May 25 | Sunny | 19° /11° | 0 mm | 5 | |
| May 26 | Moderate or heavy rain with thunder | 22° /11° | 3.3 mm | 5 | |
| May 27 | Patchy rain possible | 21° /13° | 2.8 mm | 5 | |
| May 28 | Patchy rain possible | 21° /14° | 4.6 mm | 5 | |
| May 29 | Patchy rain possible | 20° /11° | 0 mm | 5 | |
| May 30 | Sunny | 23° /12° | 0 mm | 6 | |
| May 31 | Overcast | 25° /13° | 3.5 mm | 6 | |
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Important Notice
Our weather forecast for Springfield in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Springfield forecast closer to your planned date for the most up-to-date weather information.
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Springfield in May - FAQ
What are the expected maximum and minimum temperatures in Springfield during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Springfield during May?
Significant rainfall exceeding 193.9 mm is expected in Springfield during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Springfield during May?
The average wind speed in Springfield during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Springfield
Explore the daily rainfall trends and prepare for Springfields May weather 💧
Typically, Springfield has 19 rainy days in May with a total of 193.9 mm of rainfall.
UV exposure in Springfield during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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