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 shift from April to May brings an increase in the average high-temperature, moving from a fresh 53.2°F (11.8°C) to a refreshing 66.4°F (19.1°C). Throughout May, an average nighttime temperature of 45.7°F (7.6°C) is experienced in Harrison.Humidity
In Harrison, the average relative humidity in May is 79%.Rainfall
In May, in Harrison, Pennsylvania, the rain falls for 18.9 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harrison are January through May, October through December. May is the last month it regularly snows in Harrison. During 0.7 snowfall days, in May, Harrison aggregates 0.47" (12mm) of snow. Throughout the year, there are 86.8 snowfall days, and 41.54" (1055mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 35min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:39 pm EDT.
Sunshine
The average sunshine in May is 8.2h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are the temperatures in Harrison in May?
What is the average humidity in May in Harrison?
How many days does it rain in May in Harrison?
What is the last month it snows in Harrison?
How many hours of daylight does Harrison have in May?
What time are sunrise and sunset in May in Harrison?
How long on average sun shines in May in Harrison?
When is the highest UV index in Harrison?
What is the UV index reading in May in Harrison?
Average temperature in May
Harrison, PA
- Average high temperature in May: 66.4°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 (28°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Harrison, 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
Harrison, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Harrison, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in May
Harrison, PA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Harrison, PA
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in May
Harrison, PA
- Average snowfall in May: 0.47"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrison, PA
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrison, 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: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in May
Harrison, PA
- Average sunshine days in May: 10 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in May
Harrison, 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
Harrison, PA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in May
Harrison, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Harrison, Pennsylvania, USA
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