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 arrival of May brings an increase in high-temperatures, moving from a refreshing 60.3°F (15.7°C) in April to a pleasant 71.6°F (22°C). Forest Hills, in May, observes a steady average low-temperature of 51.3°F (10.7°C).Humidity
In Forest Hills, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 21 days and accumulates 3.58" (91mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Forest Hills. May is the last month it regularly snows in Forest Hills. During 0.3 snowfall days, in May, Forest Hills aggregates 0.16" (4mm) of snow. In Forest Hills, during the entire year, snow falls for 62.9 days and aggregates up to 25.51" (648mm) of snow.Daylight
In Forest Hills, the average length of the day in May is 14h and 26min.On the first day of May in Forest Hills, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May in Forest Hills is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard 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 is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Forest Hills?
What is the average humidity in May in Forest Hills?
What is the rainiest month in Forest Hills?
How much does it rain in Forest Hills in May?
What is the last month it snows in Forest Hills?
How many hours of daylight does Forest Hills have in May?
When are sunrise and sunset in May in Forest Hills?
How many hours of sunshine does Forest Hills have in May?
What is the UV index intensity in May in Forest Hills?
Average temperature in May
Forest Hills, PA
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Forest Hills, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Forest Hills, PA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Forest Hills, PA
- Average humidity in May: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in May
Forest Hills, PA
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in May
Forest Hills, PA
- Average rainfall days in May: 21 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in May
Forest Hills, PA
- Average snowfall in May: 0.16"
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
Forest Hills, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Forest Hills, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Forest Hills, PA
- Average sunshine days in May: 8.9 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Forest Hills, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Forest Hills, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Forest Hills, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Forest Hills, Pennsylvania, USA
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