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 rise of average high-temperatures is seen in May, with an increase from a cool 54.7°F (12.6°C) in April to a comfortable 66.7°F (19.3°C). In Sterling, an average nighttime temperature of 47.8°F (8.8°C) is expected during May.Humidity
In May, the average relative humidity is 80%.Rainfall
In Sterling, in May, during 17.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Sterling, during the entire year, the rain falls for 154.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Sterling aggregates 0.79" (20mm) of snow. In Sterling, during the entire year, snow falls for 62.1 days and aggregates up to 38.86" (987mm) of snow.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 5:57 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:28 pm EDT.
Sunshine
In Sterling, the average sunshine in May is 8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sterling in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Sterling have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Sterling have in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Sterling, PA
- Average high temperature in May: 66.7°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 (29.8°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Sterling, PA
- Average pressure in May: 30.01"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
Sterling, PA
- Average wind speed in May: 6.7mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Sterling, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Sterling, PA
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Sterling, PA
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Sterling, PA
- Average snowfall in May: 0.79"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sterling, PA
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sterling, 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 12min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
Sterling, PA
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in May
Sterling, 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
Sterling, PA
- Average cloud cover in May: 52
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Sterling, 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).
Sterling, Pennsylvania, USA
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