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 arrival of May signals an increase in the average high-temperature, moving from a refreshing 57.4°F (14.1°C) in April to an agreeable 69.3°F (20.7°C). The average temperature during May nights dips to a chilly 48.9°F (9.4°C).Humidity
In Saint Petersburg, the average relative humidity in May is 79%.Rainfall
In Saint Petersburg, in May, during 19.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, in Saint Petersburg, there are 176.8 rainfall days, and 34.57" (878mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Saint Petersburg aggregates 0.2" (5mm) of snow. Throughout the year, in Saint Petersburg, there are 63.1 snowfall days, and 25.75" (654mm) of snow is accumulated.Daylight
The average length of the day in May in Saint Petersburg is 14h and 31min.On the first day of May in Saint Petersburg, sunrise is at 6:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:44 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The months with the highest UV index in Saint Petersburg 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 exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Saint Petersburg in May?
What is the average humidity in May in Saint Petersburg?
How many days does it rain in May in Saint Petersburg?
What is the last month it snows in Saint Petersburg?
How many hours of daylight does Saint Petersburg have in May?
When is the sunrise / sunset in May in Saint Petersburg?
How many hours of sunshine does Saint Petersburg have in May?
What are the months with the highest UV index in Saint Petersburg?
What is the UV index intensity in May in Saint Petersburg?
Average temperature in May
Saint Petersburg, PA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in May
Saint Petersburg, PA
- Average pressure in May: 30"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
Saint Petersburg, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Saint Petersburg, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in May
Saint Petersburg, PA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in May
Saint Petersburg, PA
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Saint Petersburg, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Petersburg, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.4 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 Petersburg, 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 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Saint Petersburg, PA
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Saint Petersburg, 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
Saint Petersburg, PA
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in May
Saint Petersburg, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Saint Petersburg, Pennsylvania, USA
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