DuPage County (Naperville)
May
Weather in DuPage County, Illinois for May 2027
Your guide to DuPage County weather in May - trends and predictions
In general, the average temperature in DuPage County at the beginning of May is 16.8 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.9 °C by the end of May.
The climate of DuPage County in May is notably wet, with an average of 12 rainy days, and a total of 167.8 mm of precipitation.
Is May a good time to visit DuPage County? check out the best time to travel to DuPage County page.
✨ Is May a good time to visit DuPage County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
20°/10°
Temperatures
19 km/h
Avg max wind
69 %
Avg humidity
DuPage County Weather May
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Temperatures trend during May in DuPage County
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May weather in DuPage County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain | 16° /9° | 24.2 mm | 5 | |
| May 2 |  Light rain | 16° /7° | 3.9 mm | 6 | |
| May 3 |  Light rain shower | 17° /8° | 1.8 mm | 4 | |
| May 4 |  Moderate or heavy rain shower | 18° /8° | 8.2 mm | 5 | |
| May 5 |  Partly cloudy | 15° /8° | 0.3 mm | 5 | |
| May 6 |  Sunny | 17° /7° | 0 mm | 6 | |
| May 7 |  Moderate or heavy rain with thunder | 18° /8° | 4.1 mm | 5 | |
| May 8 |  Thundery outbreaks possible | 18° /8° | 1.6 mm | 4 | |
| May 9 | Light rain | 18° /6° | 2.7 mm | 6 | |
| May 10 | Partly cloudy | 18° /7° | 0.2 mm | 6 | |
| May 11 | Patchy rain possible | 18° /7° | 0.5 mm | 6 | |
| May 12 | Thundery outbreaks possible | 24° /9° | 1.5 mm | 6 | |
| May 13 | Moderate rain | 20° /13° | 10.4 mm | 5 | |
| May 14 | Light rain | 18° /9° | 5.2 mm | 6 | |
| May 15 | Patchy rain possible | 23° /12° | 1.1 mm | 5 | |
| May 16 | Moderate rain | 27° /14° | 11.1 mm | 5 | |
| May 17 | Light rain shower | 23° /14° | 2.4 mm | 6 | |
| May 18 | Light rain | 22° /14° | 3.3 mm | 6 | |
| May 19 | Light rain | 22° /12° | 6.9 mm | 5 | |
| May 20 | Moderate rain | 16° /8° | 22.7 mm | 6 | |
| May 21 |  Heavy rain | 17° /9° | 35.9 mm | 5 | |
| May 22 | Partly cloudy | 21° /11° | 0.2 mm | 6 | |
| May 23 | Patchy rain possible | 23° /12° | 1.7 mm | 5 | |
| May 24 | Light rain | 22° /12° | 8.9 mm | 7 | |
| May 25 | Partly cloudy | 21° /10° | 0 mm | 6 | |
| May 26 | Light rain | 23° /11° | 3.4 mm | 6 | |
| May 27 | Patchy rain possible | 22° /13° | 1.8 mm | 6 | |
| May 28 | Partly cloudy | 20° /12° | 0.5 mm | 6 | |
| May 29 | Sunny | 23° /11° | 0 mm | 7 | |
| May 30 | Patchy rain possible | 25° /12° | 2.1 mm | 7 | |
| May 31 | Patchy rain possible | 26° /13° | 0.7 mm | 7 | |
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Important Notice
Our weather forecast for DuPage County 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 DuPage County forecast closer to your planned date for the most up-to-date weather information.
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DuPage County in May - FAQ
What are the expected maximum and minimum temperatures in DuPage County during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in DuPage County during May?
Significant rainfall exceeding 167.8 mm is expected in DuPage County during May, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in DuPage County during May?
The average wind speed in DuPage County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in DuPage County
Explore the daily rainfall trends and prepare for DuPage Countys May weather 💧
Typically, DuPage County has 12 rainy days in May with a total of 167.8 mm of rainfall.
UV exposure in DuPage County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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