May weather forecastSparta, IL
May
Weather in May
May, the last month of the spring in Sparta, is a moderately hot month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 74.8°F (23.8°C).Temperature
Sparta's weather in May shows a rise in the average high-temperature, moving up from April's refreshing 65.8°F (18.8°C) to a moderately hot 74.8°F (23.8°C). The average nighttime temperature in Sparta lowers to a refreshing 58.1°F (14.5°C) throughout May.Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
The month with the most rainfall in Sparta, Illinois, is May, when the rain falls for 14.3 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
In Sparta, snow does not fall in April through September.Daylight
In Sparta, Illinois, the average length of the day in May is 14h and 15min.On the first day of May in Sparta, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:15 pm CDT.
Sunshine
In Sparta, the average sunshine in May is 9.4h.UV index
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 ordinary individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sparta, IL
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Sparta, IL
- Average pressure in May: 29.96"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
Sparta, IL
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in May
Sparta, IL
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Sparta, IL
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in May
Sparta, IL
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in May
Sparta, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Sparta, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Sparta, 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 36min).
- Average sunshine in May: 9h and 24min
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 42min).
Average sunshine days in May
Sparta, IL
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13 days).
Average UV index in May
Sparta, 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
Sparta, IL
- Average cloud cover in May: 37
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Sparta, 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).
