Naperville
May
Weather in Naperville for May 2025
Your guide to Naperville weather in May - trends and predictions
In general, the average temperature in Naperville at the beginning of May is 21.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.9 °F by the end of May.
Expect significant rainfall in Naperville during May, with an average of 16 rainy days.
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15
Dry days
16
Rainy days
0
Snow days
22°/11°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
Naperville in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  23° | 3 20° | 4  24° | |||
| 5  18° | 6  22° | 7  24° | 8  25° | 9 13° | 10 16° | 11 18° |
| 12 23° | 13 21° | 14 12° | 15 18° | 16 21° | 17 23° | 18 26° |
| 19 26° | 20 21° | 21 23° | 22 24° | 23 27° | 24  23° | 25 20° |
| 26 23° | 27 22° | 28 21° | 29 23° | 30 25° | 31  26° |
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Temperatures trend during May in Naperville
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Patchy rain possible | 22° /15° | 0.1 mm | 5 | |
| May 2 | Patchy light rain | 23° /11° | 8.8 mm | 5 | |
| May 3 | Light rain shower | 20° /12° | 4.8 mm | 5 | |
| May 4 | Moderate or heavy rain shower | 24° /10° | 6.3 mm | 5 | |
| May 5 | Partly cloudy | 18° /10° | 0 mm | 5 | |
| May 6 | Sunny | 22° /9° | 0 mm | 6 | |
| May 7 | Moderate or heavy rain with thunder | 24° /15° | 11.4 mm | 5 | |
| May 8 | Thundery outbreaks possible | 25° /13° | 1.6 mm | 6 | |
| May 9 | Light rain shower | 13° /7° | 8.1 mm | 3 | |
| May 10 | Patchy rain possible | 16° /8° | 0.7 mm | 4 | |
| May 11 | Patchy rain possible | 18° /9° | 1.5 mm | 4 | |
| May 12 | Thundery outbreaks possible | 23° /9° | 2.4 mm | 5 | |
| May 13 | Moderate or heavy rain shower | 21° /14° | 31.2 mm | 5 | |
| May 14 | Light rain | 12° /8° | 11.7 mm | 3 | |
| May 15 | Patchy rain possible | 18° /10° | 0 mm | 4 | |
| May 16 | Patchy light drizzle | 21° /11° | 0.9 mm | 5 | |
| May 17 | Light rain shower | 23° /16° | 6.6 mm | 5 | |
| May 18 | Patchy rain possible | 26° /15° | 0.1 mm | 6 | |
| May 19 | Patchy light drizzle | 26° /16° | 16.4 mm | 6 | |
| May 20 | Partly cloudy | 21° /7° | 0 mm | 6 | |
| May 21 | Partly cloudy | 23° /10° | 0 mm | 6 | |
| May 22 | Partly cloudy | 24° /12° | 0.4 mm | 6 | |
| May 23 | Sunny | 27° /13° | 0 mm | 7 | |
| May 24 | Overcast | 23° /12° | 8.1 mm | 6 | |
| May 25 | Partly cloudy | 20° /9° | 0 mm | 6 | |
| May 26 | Overcast | 23° /11° | 6.9 mm | 6 | |
| May 27 | Sunny | 22° /11° | 3.6 mm | 6 | |
| May 28 | Partly cloudy | 21° /11° | 1.1 mm | 5 | |
| May 29 | Sunny | 23° /10° | 0 mm | 6 | |
| May 30 | Patchy rain possible | 25° /12° | 0.6 mm | 6 | |
| May 31 | Heavy rain at times | 26° /13° | 1.4 mm | 6 | |
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Important Notice
Our weather forecast for Naperville 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 Naperville forecast closer to your planned date for the most up-to-date weather information.
Naperville in May - FAQ
What are the expected maximum and minimum temperatures in Naperville during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Naperville during May?
Significant rainfall exceeding 133.8 mm is expected in Naperville during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Naperville during May?
The average wind speed in Naperville during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Naperville
Explore the daily rainfall trends and prepare for Napervilles May weather 💧
UV exposure in Naperville during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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