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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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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Naperville in May average weather

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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
Patchy rain possible
22° /15° 0.1 mm 5
May 2 Patchy light rain
Patchy light rain
23° /11° 8.8 mm 5
May 3 Light rain shower
Light rain shower
20° /12° 4.8 mm 5
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /10° 6.3 mm 5
May 5 Partly cloudy
Partly cloudy
18° /10° 0 mm 5
May 6 Sunny
Sunny
22° /9° 0 mm 6
May 7 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
24° /15° 11.4 mm 5
May 8 Thundery outbreaks possible
Thundery outbreaks possible
25° /13° 1.6 mm 6
May 9 Light rain shower
Light rain shower
13° /7° 8.1 mm 3
May 10 Patchy rain possible
Patchy rain possible
16° /8° 0.7 mm 4
May 11 Patchy rain possible
Patchy rain possible
18° /9° 1.5 mm 4
May 12 Thundery outbreaks possible
Thundery outbreaks possible
23° /9° 2.4 mm 5
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /14° 31.2 mm 5
May 14 Light rain
Light rain
12° /8° 11.7 mm 3
May 15 Patchy rain possible
Patchy rain possible
18° /10° 0 mm 4
May 16 Patchy light drizzle
Patchy light drizzle
21° /11° 0.9 mm 5
May 17 Light rain shower
Light rain shower
23° /16° 6.6 mm 5
May 18 Patchy rain possible
Patchy rain possible
26° /15° 0.1 mm 6
May 19 Patchy light drizzle
Patchy light drizzle
26° /16° 16.4 mm 6
May 20 Partly cloudy
Partly cloudy
21° /7° 0 mm 6
May 21 Partly cloudy
Partly cloudy
23° /10° 0 mm 6
May 22 Partly cloudy
Partly cloudy
24° /12° 0.4 mm 6
May 23 Sunny
Sunny
27° /13° 0 mm 7
May 24 Overcast
Overcast
23° /12° 8.1 mm 6
May 25 Partly cloudy
Partly cloudy
20° /9° 0 mm 6
May 26 Overcast
Overcast
23° /11° 6.9 mm 6
May 27 Sunny
Sunny
22° /11° 3.6 mm 6
May 28 Partly cloudy
Partly cloudy
21° /11° 1.1 mm 5
May 29 Sunny
Sunny
23° /10° 0 mm 6
May 30 Patchy rain possible
Patchy rain possible
25° /12° 0.6 mm 6
May 31 Heavy rain at times
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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Location coordinates Where is Naperville?

Get accurate weather forecasts for Naperville, located at latitude 41.786 and longitude -88.147. Stay updated with localized weather information tailored for Naperville.

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