May weather forecastCongerville, IL
May
Weather in May
May, the last month of the spring in Congerville, is a pleasant month, with an average temperature fluctuating between 55°F (12.8°C) and 71.4°F (21.9°C).Temperature
As Congerville, Illinois, transitions into May, the average high-temperature is observed to rise from a moderate 60.4°F (15.8°C) in April to an agreeable 71.4°F (21.9°C). Nighttime temperatures in Congerville, Illinois, consistently average a fresh 55°F (12.8°C) during May.Humidity
In May, the average relative humidity in Congerville is 77%.Rainfall
The month with the most rainfall in Congerville is May, when the rain falls for 17.9 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
In Congerville, snow does not fall in May through September.Daylight
The average length of the day in May in Congerville is 14h and 28min.On the first day of May, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:21 pm CDT.
Sunshine
In Congerville, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Congerville, IL
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Congerville, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Congerville, IL
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Congerville, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Congerville, IL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.22").
Average rainfall days in May
Congerville, IL
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in May
Congerville, IL
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Congerville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Congerville, IL
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Congerville, IL
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Congerville, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Congerville, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Congerville, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
