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
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 66.6°F (19.2°C) in April to a warm 75.2°F (24°C). May sees the temperature falling to a mean low of 58.3°F (14.6°C).Humidity
The most humid month is May, with an average relative humidity of 80%.Rainfall
In Caseyville, during May, the rain falls for 14.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Caseyville, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.Snowfall
In Caseyville, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 13min.On the first day of May, sunrise is at 5:55 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:07 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 risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Fend off overexposure. Sun protection is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Caseyville in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow in Caseyville?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Caseyville, KY
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in May
Caseyville, KY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Caseyville, KY
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in May
Caseyville, KY
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Caseyville, KY
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in May
Caseyville, KY
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in May
Caseyville, KY
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Caseyville, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.4 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
Caseyville, KY
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Caseyville, KY
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in May
Caseyville, KY
- 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
Caseyville, KY
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Caseyville, KY
- 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).
Caseyville, Kentucky, USA
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