May weather forecastCalhoun, IL
May
Weather in May
The last month of the spring, May, is a warm month in Calhoun, Illinois, with an average temperature fluctuating between 73.9°F (23.3°C) and 57.9°F (14.4°C).Temperature
Calhoun's May weather brings a rise in high-temperatures, moving from an enjoyable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Calhoun encounters a steady low-temperature average of 57.9°F (14.4°C) throughout the month of May.Humidity
In May, the average relative humidity is 80%.Rainfall
In Calhoun, in May, during 17.1 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, in Calhoun, there are 152.3 rainfall days, and 27.99" (711mm) of precipitation is accumulated.Snowfall
In Calhoun, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 18min.On the first day of May, sunrise is at 5:53 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:10 pm CDT.
Sunshine
The average sunshine in May is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Calhoun, IL
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Calhoun, IL
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Calhoun, IL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Calhoun, IL
- Average humidity in May: 80%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Calhoun, IL
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Calhoun, IL
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Calhoun, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Calhoun, 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
Calhoun, IL
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Calhoun, IL
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Calhoun, IL
- Average UV index in May: 6
The months with the highest UV index are May, 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
Calhoun, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Calhoun, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
