Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the beginning of May, Blue Mound's average high-temperature sees an increase, transitioning from a comfortable 62.4°F (16.9°C) in April to an agreeable 72.9°F (22.7°C). The average nighttime temperature lowers to a refreshing 56.7°F (13.7°C) throughout May.Humidity
In Blue Mound, the average relative humidity in May is 78%.Rainfall
The wettest months are April and May, with an average 2.91" (74mm) of rainfall.Snowfall
April through October are months without snowfall.Daylight
In Blue Mound, the average length of the day in May is 14h and 23min.On the first day of May, sunrise is at 5:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:18 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In Blue Mound, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in May translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the temperatures in Blue Mound in May?
What is the average humidity in May in Blue Mound?
What is the wettest month in Blue Mound?
How many days does it rain in May in Blue Mound?
When it does not snow in Blue Mound?
What is the average length of the day in May in Blue Mound?
What time are sunrise and sunset in May in Blue Mound?
How many hours of sunshine does Blue Mound have in May?
How high is the UV index in May in Blue Mound?
Average temperature in May
Blue Mound, IL
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Blue Mound, IL
- Average pressure in May: 29.96"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
Blue Mound, IL
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in May
Blue Mound, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Blue Mound, IL
- Average rainfall in May: 2.91"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in May
Blue Mound, IL
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Blue Mound, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Blue Mound, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Blue Mound, IL
- Average daylight in May: 14h and 2min
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 1min
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 6min).
Average sunshine days in May
Blue Mound, IL
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in May
Blue Mound, 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
Blue Mound, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in May
Blue Mound, 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).
Blue Mound, Illinois, USA
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