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
As May sets, the average high-temperature shows an increase, moving up from a refreshing 55.4°F (13°C) in April to a comfortable 67.6°F (19.8°C). In Edwardsville, the nighttime temperature averages to a frosty 48°F (8.9°C) during May.Humidity
In Edwardsville, the average relative humidity in May is 79%.Rainfall
In Edwardsville, during May, the rain falls for 15.4 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Edwardsville, there are 142.7 rainfall days, and 13.19" (335mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Edwardsville. During 0.2 snowfall days, in May, Edwardsville aggregates 0.04" (1mm) of snow. In Edwardsville, during the entire year, snow falls for 49.9 days and aggregates up to 9.92" (252mm) of snow.Daylight
The average length of the day in May is 14h and 31min.On the first day of May, sunrise is at 5:59 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:29 pm EDT.
Sunshine
The average sunshine in May is 8.1h.UV index
The months with the highest UV index in Edwardsville are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the average May temperature in Edwardsville?
What is the average humidity in May in Edwardsville?
How much does it rain in Edwardsville in May?
What is the last month it snows in Edwardsville?
What is the average length of the day in May in Edwardsville?
When is the sunrise / sunset in May in Edwardsville?
How many hours of sunshine does Edwardsville have in May?
When is the highest UV index in Edwardsville?
What is the UV index reading in May in Edwardsville?
Average temperature in May
Edwardsville, PA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in May
Edwardsville, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Edwardsville, PA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Edwardsville, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Edwardsville, PA
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Edwardsville, PA
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Edwardsville, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Edwardsville, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Edwardsville, PA
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in May
Edwardsville, PA
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in May
Edwardsville, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Edwardsville, PA
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Edwardsville, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Edwardsville, Pennsylvania, USA
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