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 transition into May, Hartstown experiences an increase in average high-temperatures, moving up from a fresh 54.3°F (12.4°C) in April to a comfortable 66.7°F (19.3°C). Hartstown's nighttime temperature in May drops to an average of 48.6°F (9.2°C).Humidity
The months with the lowest humidity are April through August, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 17.3 days. Throughout May, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 167.5 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hartstown, Pennsylvania. May is the last month it regularly snows. During 0.5 snowfall days, in May, Hartstown aggregates 0.24" (6mm) of snow. Throughout the year, there are 79.8 snowfall days, and 25.39" (645mm) of snow is accumulated.Daylight
In Hartstown, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Hartstown, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hartstown?
What are the least humid months?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May in Hartstown?
How many hours of sunshine does Hartstown have in May?
What is the UV index reading in May?
Average temperature in May
Hartstown, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Hartstown, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Hartstown, PA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in May
Hartstown, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (80%).
Average rainfall in May
Hartstown, PA
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in May
Hartstown, PA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Hartstown, PA
- Average snowfall in May: 0.24"
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
Hartstown, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartstown, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Hartstown, PA
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is July (12.5 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in May
Hartstown, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Hartstown, PA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Hartstown, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Hartstown, Pennsylvania, USA
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