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
Littleton in May sees a temperature change, with average high-temperatures moving from a refreshing 62.2°F (16.8°C) in April to an agreeable 72.1°F (22.3°C). May nights are marked by an average low-temperature of 55.4°F (13°C).Humidity
In May, the average relative humidity in Littleton is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.02" (102mm) of precipitation.Snowfall
In Littleton, snow does not fall in May through September.Daylight
In Littleton, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:00 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:25 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the wettest month in Littleton?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May in Littleton?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Littleton, IL
- Average high temperature in May: 72.1°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 (32.4°F).
- Average low temperature in May: 55.4°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 (20.3°F).
Average pressure in May
Littleton, 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 (29.91"Hg).
Average wind speed in May
Littleton, IL
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in May
Littleton, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Littleton, IL
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in May
Littleton, IL
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Littleton, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Littleton, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.3 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
Littleton, IL
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Littleton, IL
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in May
Littleton, 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
Littleton, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in May
Littleton, 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).
Littleton, Illinois, USA
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