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Weather in Effingham, Illinois for May 2027

Your guide to Effingham weather in May - trends and predictions

    Rain 🌧️

  • The climate of Effingham in May is notably wet, with an average of 14 rainy days, and a total of 155.9 mm of precipitation.

  • More

  • Is May a good time to visit Effingham? check out the best time to travel to Effingham page.

  • ✨ Is May a good time to visit Effingham? – Ask the AI Weatherman

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Effingham Weather May

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Temperatures trend during May in Effingham

See the weather trend as well as the moving average line

May weather in Effingham day by day

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Date Weather Temperatures Rain UV More
May 1 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /12° 7.4 mm 7
May 2 Patchy rain possible
Patchy rain possible
16° /10° 1.3 mm 6
May 3 Moderate rain
Moderate rain
17° /7° 12.4 mm 7
May 4 Light rain
Light rain
16° /10° 4.8 mm 4
May 5 Moderate rain
Moderate rain
16° /8° 15.4 mm 3
May 6 Patchy rain possible
Patchy rain possible
16° /8° 1.1 mm 3
May 7 Patchy rain possible
Patchy rain possible
18° /8° 0.2 mm 8
May 8 Light rain
Light rain
20° /9° 5.8 mm 8
May 9 Light rain
Light rain
22° /10° 4 mm 8
May 10 Patchy rain possible
Patchy rain possible
21° /9° 2.3 mm 8
May 11 Cloudy
Cloudy
23° /10° 0 mm 8
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 7.8 mm 8
May 13 Patchy rain possible
Patchy rain possible
22° /13° 1.6 mm 8
May 14 Overcast
Overcast
23° /11° 0.1 mm 8
May 15 Light rain
Light rain
26° /15° 2.8 mm 8
May 16 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /18° 6.8 mm 6
May 17 Partly cloudy
Partly cloudy
24° /17° 0 mm 8
May 18 Moderate rain
Moderate rain
23° /16° 13.8 mm 7
May 19 Light rain
Light rain
26° /15° 5.3 mm 6
May 20 Moderate rain
Moderate rain
21° /15° 18 mm 4
May 21 Sunny
Sunny
20° /12° 0 mm 5
May 22 Light rain
Light rain
17° /12° 9.2 mm 4
May 23 Cloudy
Cloudy
21° /11° 0 mm 4
May 24 Patchy rain possible
Patchy rain possible
22° /14° 1.9 mm 5
May 25 Overcast
Overcast
20° /13° 0 mm 8
May 26 Moderate rain at times
Moderate rain at times
20° /11° 5.7 mm 7
May 27 Heavy rain
Heavy rain
22° /16° 23.5 mm 6
May 28 Light rain
Light rain
23° /15° 2.9 mm 8
May 29 Fog
Fog
21° /13° 0 mm 8
May 30 Fog
Fog
27° /15° 0 mm 8
May 31 Patchy rain possible
Patchy rain possible
29° /16° 1.9 mm 9
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Important Notice
Our weather forecast for Effingham 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 forecast closer to your planned date for the most up-to-date weather information.

Effingham in May - FAQ

What are the expected maximum and minimum temperatures in Effingham 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 during May?

Significant rainfall exceeding 155.9 mm is expected in Effingham 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 during May?

The average wind speed in Effingham during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Effingham

Explore the daily rainfall trends and prepare for Effinghams May weather 💧
Typically, Effingham has 14 rainy days in May with a total of 155.9 mm of rainfall.

UV exposure in Effingham during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Effingham?

Get accurate weather forecasts for Effingham, located at latitude 39.12 and longitude -88.543. Stay updated with localized weather information tailored for Effingham.

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