May weather forecastJeisyville, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in Jeisyville, Illinois, with an average temperature fluctuating between 72.9°F (22.7°C) and 56.7°F (13.7°C).Temperature
An increase in the average high-temperature marks May, moving from April's refreshing 63.3°F (17.4°C) to a pleasant 72.9°F (22.7°C). In May, Jeisyville experiences an average nighttime temperature of 56.7°F (13.7°C).Humidity
In Jeisyville, the average relative humidity in May is 77%.Rainfall
In Jeisyville, in May, it is raining for 11.5 days, with typically 0.83" (21mm) of accumulated precipitation. In Jeisyville, during the entire year, the rain falls for 96.7 days and collects up to 7.64" (194mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 22min.On the first day of May, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:18 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jeisyville, IL
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Jeisyville, 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
Jeisyville, IL
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in May
Jeisyville, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Jeisyville, IL
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is April (0.94").
The driest months (with the least rainfall) are September and December (0.39").
Average rainfall days in May
Jeisyville, IL
- Average rainfall days in May: 11.5 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Jeisyville, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Jeisyville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.9 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
Jeisyville, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Jeisyville, IL
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is November (22.6 days).
The months with the least sunshine days are May and June (16.5 days).
Average UV index in May
Jeisyville, 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
Jeisyville, 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 29).
Average visibility in May
Jeisyville, 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).





