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 onset of May, Riggs's average high-temperature sees a rise, moving from April's cool 54.1°F (12.3°C) to a refreshing 67.5°F (19.7°C). In the month of May, Riggs's average low-temperature falls to a frosty 46.6°F (8.1°C).Humidity
In May, the average relative humidity is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 2.44" (62mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Riggs aggregates 0.2" (5mm) of snow. In Riggs, during the entire year, snow falls for 67.5 days and aggregates up to 20.75" (527mm) of snow.Daylight
The average length of the day in May in Riggs is 14h and 34min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:34 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Riggs have in May?
What time are sunrise and sunset in May in Riggs?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Riggs, PA
- Average high temperature in May: 67.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Riggs, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Riggs, PA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Riggs, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in May
Riggs, PA
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in May
Riggs, PA
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Riggs, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Riggs, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riggs, PA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Riggs, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Riggs, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Riggs, PA
- Average cloud cover in May: 50
The months with the most cloud cover are January, February and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Riggs, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Riggs, Pennsylvania, USA
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