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 beginning of May, Crestwood's average high-temperature sees an increase, transitioning from a cool 54.1°F (12.3°C) in April to a comfortable 66.7°F (19.3°C). The average temperature during May nights dips to a chilly 47.7°F (8.7°C).Humidity
The average relative humidity in May is 79%.Rainfall
The months with the most rainfall are May and July, with an average 2.4" (61mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Crestwood aggregates 0.47" (12mm) of snow. Throughout the year, there are 48.4 snowfall days, and 22.01" (559mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 5:58 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:28 pm EDT.
Sunshine
In May, the average sunshine is 7.9h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
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?
What is the average length of the day in May in Crestwood?
When are sunrise and sunset in May?
How many hours of sunshine does Crestwood have in May?
What are the months with the highest UV index in Crestwood?
What is the UV index reading in May?
Average temperature in May
Crestwood, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Crestwood, 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
Crestwood, PA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Crestwood, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in May
Crestwood, PA
- Average rainfall in May: 2.4"
The wettest months (with the highest rainfall) are May and July (2.4").
The driest months (with the least rainfall) are January and September (1.38").
Average rainfall days in May
Crestwood, PA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in May
Crestwood, PA
- Average snowfall in May: 0.47"
The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Crestwood, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Crestwood, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
Crestwood, PA
- Average sunshine days in May: 11 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is May (11 days).
Average UV index in May
Crestwood, 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
Crestwood, PA
- Average cloud cover in May: 52
The months with the most cloud cover are February and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
Crestwood, 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).
Crestwood, Pennsylvania, USA
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