Effingham County (Effingham)
May
Weather in Effingham County, Illinois for May 2027
Your guide to Effingham County weather in May - trends and predictions
The climate of Effingham County in May is notably wet, with an average of 14 rainy days, and a total of 155.9 mm of precipitation.
Is May a good time to visit Effingham County? check out the best time to travel to Effingham County page.
✨ Is May a good time to visit Effingham County? – Ask the AI Weatherman
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
21°/12°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Effingham County Weather May
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Temperatures trend during May in Effingham County
See the weather trend as well as the moving average line
May weather in Effingham County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate or heavy rain shower | 18° /12° | 7.4 mm | 7 | |
| May 2 |  Patchy rain possible | 16° /10° | 1.3 mm | 6 | |
| May 3 |  Moderate rain | 17° /7° | 12.4 mm | 7 | |
| May 4 |  Light rain | 16° /10° | 4.8 mm | 4 | |
| May 5 | Moderate rain | 16° /8° | 15.4 mm | 3 | |
| May 6 | Patchy rain possible | 16° /8° | 1.1 mm | 3 | |
| May 7 | Patchy rain possible | 18° /8° | 0.2 mm | 8 | |
| May 8 | Light rain | 20° /9° | 5.8 mm | 8 | |
| May 9 | Light rain | 22° /10° | 4 mm | 8 | |
| May 10 | Patchy rain possible | 21° /9° | 2.3 mm | 8 | |
| May 11 |  Cloudy | 23° /10° | 0 mm | 8 | |
| May 12 | Moderate or heavy rain shower | 22° /12° | 7.8 mm | 8 | |
| May 13 | Patchy rain possible | 22° /13° | 1.6 mm | 8 | |
| May 14 |  Overcast | 23° /11° | 0.1 mm | 8 | |
| May 15 | Light rain | 26° /15° | 2.8 mm | 8 | |
| May 16 | Moderate or heavy rain shower | 26° /18° | 6.8 mm | 6 | |
| May 17 |  Partly cloudy | 24° /17° | 0 mm | 8 | |
| May 18 | Moderate rain | 23° /16° | 13.8 mm | 7 | |
| May 19 | Light rain | 26° /15° | 5.3 mm | 6 | |
| May 20 | Moderate rain | 21° /15° | 18 mm | 4 | |
| May 21 |  Sunny | 20° /12° | 0 mm | 5 | |
| May 22 | Light rain | 17° /12° | 9.2 mm | 4 | |
| May 23 | Cloudy | 21° /11° | 0 mm | 4 | |
| May 24 | Patchy rain possible | 22° /14° | 1.9 mm | 5 | |
| May 25 | Overcast | 20° /13° | 0 mm | 8 | |
| May 26 | Moderate rain at times | 20° /11° | 5.7 mm | 7 | |
| May 27 |  Heavy rain | 22° /16° | 23.5 mm | 6 | |
| May 28 | Light rain | 23° /15° | 2.9 mm | 8 | |
| May 29 |  Fog | 21° /13° | 0 mm | 8 | |
| May 30 | Fog | 27° /15° | 0 mm | 8 | |
| May 31 | Patchy rain possible | 29° /16° | 1.9 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Effingham 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 Effingham County forecast closer to your planned date for the most up-to-date weather information.
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Effingham County in May - FAQ
What are the expected maximum and minimum temperatures in Effingham County during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Effingham County during May?
Significant rainfall exceeding 155.9 mm is expected in Effingham County during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Effingham County during May?
The average wind speed in Effingham County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Effingham County
Explore the daily rainfall trends and prepare for Effingham Countys May weather 💧
Typically, Effingham County has 14 rainy days in May with a total of 155.9 mm of rainfall.
UV exposure in Effingham County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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