May weather forecastSublette, IL
May
Weather in May
May, the last month of the spring in Sublette, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.3°F (11.3°C).Temperature
May indicates a change in the average high-temperature, moving up from a mild 57.6°F (14.2°C) in April to an agreeable 69.4°F (20.8°C). In the month of May, Sublette's average low-temperature falls to a fresh 52.3°F (11.3°C).Humidity
In May, the average relative humidity in Sublette, Illinois, is 77%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.6 days and typically aggregates up to 2.68" (68mm) of precipitation.Snowfall
In Sublette, snow does not fall in May through September.Daylight
In Sublette, the average length of the day in May is 14h and 33min.On the first day of May in Sublette, Illinois, sunrise is at 5:52 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:24 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Sublette is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sublette, IL
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
Sublette, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Sublette, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Sublette, IL
- Average humidity in May: 77%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Sublette, IL
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Sublette, IL
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Sublette, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Sublette, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.4 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
Sublette, IL
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Sublette, IL
- Average sunshine days in May: 12.3 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Sublette, IL
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Sublette, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Sublette, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





