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 transition to May introduces an increase in the average high-temperature, shifting from a cool 54.1°F (12.3°C) in April to a comfortable 66.7°F (19.3°C). May nights in Harmony Hills observe an average temperature dip to a chilly 47.7°F (8.7°C).Humidity
The average relative humidity in May is 79%.Rainfall
The wettest months in Harmony Hills are May and July, with an average 2.4" (61mm) of rainfall.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Harmony Hills, Pennsylvania. During 0.3 snowfall days, in May, Harmony Hills aggregates 0.47" (12mm) of snow. In Harmony Hills, during the entire year, snow falls for 48.4 days and aggregates up to 22.01" (559mm) of snow.Daylight
In Harmony Hills, the average length of the day in May is 14h and 31min.On the first day of May in Harmony Hills, 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 Harmony Hills, Pennsylvania, the average sunshine in May is 7.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. 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 Harmony Hills in May?
What is the average humidity in May in Harmony Hills?
What is the rainiest month in Harmony Hills?
How much does it rain in Harmony Hills in May?
What is the last month it snows in Harmony Hills?
How many hours of daylight does Harmony Hills have in May?
What time are sunrise and sunset in May in Harmony Hills?
How many hours of sunshine does Harmony Hills have in May?
What are the months with the highest UV index in Harmony Hills?
What is the UV index reading in May in Harmony Hills?
Average temperature in May
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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
Harmony Hills, 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).
Harmony Hills, Pennsylvania, USA
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