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, Thompsonville's average high-temperature sees an increase, transitioning from an enjoyable 66.4°F (19.1°C) in April to a moderately hot 75.6°F (24.2°C). In May, Thompsonville encounters an average low-temperature of 58.1°F (14.5°C) during the night.Humidity
The most humid month is May, with an average relative humidity of 79%.Rainfall
In Thompsonville, in May, during 18.5 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. In Thompsonville, Illinois, during the entire year, the rain falls for 167.2 days and collects up to 37.68" (957mm) of precipitation.Snowfall
In Thompsonville, Illinois, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 14min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:11 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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during May leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Thompsonville?
What is the most humid month in Thompsonville?
What is the average humidity in May in Thompsonville?
How much does it rain in Thompsonville in May?
When it does not snow in Thompsonville?
Does it snow in Thompsonville in May?
What is the average length of the day in May in Thompsonville?
When are sunrise and sunset in May in Thompsonville?
How long on average sun shines in May in Thompsonville?
When is the highest UV index in Thompsonville?
What is the UV index reading in May in Thompsonville?
Average temperature in May
Thompsonville, IL
- Average high temperature in May: 75.6°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 (39°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 (26.1°F).
Average pressure in May
Thompsonville, 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 (29.94"Hg).
Average wind speed in May
Thompsonville, IL
- Average wind speed in May: 7.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Thompsonville, 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 (70%).
Average rainfall in May
Thompsonville, IL
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is April (4.92").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Thompsonville, IL
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in May
Thompsonville, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Thompsonville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.1 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
Thompsonville, IL
- Average daylight in May: 14h and 1min
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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Thompsonville, IL
- Average sunshine days in May: 10 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in May
Thompsonville, 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 and December (UV index 2).
Average cloud cover in May
Thompsonville, IL
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Thompsonville, 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).
Thompsonville, Illinois, USA
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