May weather forecastDivernon, IL
May
Weather in May
The last month of the spring, May, is an agreeable month in Divernon, Illinois, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 72.9°F (22.7°C).Temperature
The start of May signals an increase in the average high-temperature, moving from a refreshing 63.3°F (17.4°C) in April to an agreeable 72.9°F (22.7°C). May nights are marked by an average temperature drop to a moderate 56.5°F (13.6°C).Humidity
The average relative humidity in May in Divernon, Illinois, is 78%.Rainfall
In Divernon, in May, it is raining for 16.8 days, with typically 2.72" (69mm) of accumulated precipitation. In Divernon, during the entire year, the rain falls for 143.6 days and collects up to 23.74" (603mm) of precipitation.Snowfall
In Divernon, snow does not fall in May through October.Daylight
In Divernon, Illinois, the average length of the day in May is 14h and 22min.On the first day of May in Divernon, sunrise is at 5:58 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:19 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
In Divernon, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Divernon, IL
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 56.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Divernon, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Divernon, IL
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in May
Divernon, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Divernon, IL
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in May
Divernon, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in May
Divernon, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Divernon, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8 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
Divernon, IL
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Divernon, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Divernon, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Divernon, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Divernon, 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).
