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 shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 59.2°F (15.1°C) to an agreeable 69.4°F (20.8°C). Saint Clairsville experiences an average temperature drop to a chilly 49.1°F (9.5°C) during May nights.Humidity
In May, the average relative humidity is 79%.Rainfall
The month with the most rainfall in Saint Clairsville is May, when the rain falls for 15.3 days and typically aggregates up to 1.81" (46mm) of precipitation.Snowfall
In Saint Clairsville, snow does not fall in May through September.Daylight
In May, the average length of the day in Saint Clairsville is 14h and 25min.On the first day of May in Saint Clairsville, sunrise is at 6:12 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:36 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In May, the average daily maximum UV index in Saint Clairsville is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are the temperatures in Saint Clairsville in May?
What is the average humidity in May in Saint Clairsville?
What is the rainiest month in Saint Clairsville?
How much does it rain in Saint Clairsville in May?
When it does not snow in Saint Clairsville?
Does it snow in Saint Clairsville in May?
How many hours of daylight does Saint Clairsville have in May?
When is the sunrise / sunset in May in Saint Clairsville?
How many hours of sunshine does Saint Clairsville have in May?
How high is the UV index in May in Saint Clairsville?
Average temperature in May
Saint Clairsville, PA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Saint Clairsville, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Saint Clairsville, PA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Saint Clairsville, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in May
Saint Clairsville, PA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Saint Clairsville, PA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Saint Clairsville, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Clairsville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Clairsville, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Saint Clairsville, PA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
Saint Clairsville, PA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Saint Clairsville, PA
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in May
Saint Clairsville, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Saint Clairsville, Pennsylvania, USA
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