Joliet
May
Weather in Joliet for May 2025
Your guide to Joliet weather in May - trends and predictions
In general, the average temperature in Joliet at the beginning of May is 22.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.4 °F by the end of May.
Expect significant rainfall in Joliet during May, with an average of 17 rainy days.
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14
Dry days
17
Rainy days
0
Snow days
23°/11°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Joliet in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  24° | 3 21° | 4 24° | |||
| 5  19° | 6  22° | 7  24° | 8  25° | 9  14° | 10 16° | 11 18° |
| 12 23° | 13 21° | 14 14° | 15 18° | 16 21° | 17 24° | 18  25° |
| 19 27° | 20 21° | 21 23° | 22 24° | 23  27° | 24 24° | 25 21° |
| 26 24° | 27 22° | 28 22° | 29 23° | 30  25° | 31  27° |
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Temperatures trend during May in Joliet
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 | 23° /15° | 0.1 mm | 5 | |
| May 2 | Moderate rain at times | 24° /11° | 12.3 mm | 5 | |
| May 3 | Light rain shower | 21° /11° | 3.2 mm | 5 | |
| May 4 | Moderate or heavy rain shower | 24° /10° | 7.2 mm | 5 | |
| May 5 | Cloudy | 19° /10° | 0 mm | 4 | |
| May 6 | Partly cloudy | 22° /9° | 0 mm | 6 | |
| May 7 | Patchy light rain with thunder | 24° /15° | 15.1 mm | 5 | |
| May 8 | Thundery outbreaks possible | 25° /13° | 16 mm | 6 | |
| May 9 | Light rain | 14° /7° | 5.2 mm | 3 | |
| May 10 | Patchy rain possible | 16° /9° | 0.5 mm | 4 | |
| May 11 | Cloudy | 18° /9° | 4.5 mm | 4 | |
| May 12 | Patchy rain possible | 23° /10° | 1 mm | 5 | |
| May 13 | Light rain shower | 21° /14° | 26.7 mm | 5 | |
| May 14 | Light rain | 14° /8° | 23.9 mm | 3 | |
| May 15 | Patchy rain possible | 18° /11° | 0.5 mm | 4 | |
| May 16 | Light rain shower | 21° /11° | 1.3 mm | 5 | |
| May 17 | Light rain shower | 24° /15° | 8.9 mm | 5 | |
| May 18 | Fog | 25° /16° | 0.3 mm | 6 | |
| May 19 | Light rain shower | 27° /16° | 11.5 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° | 0.5 mm | 6 | |
| May 23 | Sunny | 27° /13° | 0 mm | 7 | |
| May 24 | Cloudy | 24° /12° | 10.5 mm | 6 | |
| May 25 | Partly cloudy | 21° /9° | 0 mm | 6 | |
| May 26 | Partly cloudy | 24° /10° | 12.6 mm | 6 | |
| May 27 | Sunny | 22° /11° | 3.9 mm | 6 | |
| May 28 | Sunny | 22° /11° | 1.3 mm | 6 | |
| May 29 | Sunny | 23° /10° | 0 mm | 6 | |
| May 30 | Overcast | 25° /12° | 0.6 mm | 6 | |
| May 31 | Heavy rain at times | 27° /14° | 0.9 mm | 6 | |
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Important Notice
Our weather forecast for Joliet 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 Joliet forecast closer to your planned date for the most up-to-date weather information.
Joliet in May - FAQ
What are the expected maximum and minimum temperatures in Joliet during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Joliet during May?
Significant rainfall exceeding 163.2 mm is expected in Joliet during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Joliet during May?
The average wind speed in Joliet during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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