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 onset of May, Allens's average high-temperature sees a rise, moving from April's mild 56.5°F (13.6°C) to a pleasant 68.4°F (20.2°C). May nights in Allens are marked by an average low-temperature of 48°F (8.9°C).Humidity
The average relative humidity in May in Allens, Pennsylvania, is 79%.Rainfall
In May, the rain falls for 19.3 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. Throughout the year, in Allens, Pennsylvania, there are 170.2 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Allens. May is the last month it regularly snows. During 0.2 snowfall days, in May, Allens aggregates 0.12" (3mm) of snow. Throughout the year, in Allens, there are 41.9 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
In May, the average length of the day in Allens is 14h and 31min.On the first day of May in Allens, sunrise is at 6:04 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:34 pm EDT.
Sunshine
In Allens, Pennsylvania, the average sunshine in May is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the average May temperature in Allens?
What is the average humidity in May in Allens?
How many days does it rain in May in Allens?
What is the last month it snows in Allens?
How many hours of daylight does Allens have in May?
What time are sunrise and sunset in May in Allens?
How many hours of sunshine does Allens have in May?
What is the month with the highest UV index in Allens?
What is the UV index intensity in May in Allens?
Average temperature in May
Allens, PA
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Allens, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Allens, PA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Allens, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Allens, PA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Allens, PA
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Allens, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Allens, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (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
Allens, 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 18min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Allens, PA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Allens, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Allens, PA
- Average cloud cover in May: 49
The months with the most cloud cover are January, February and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Allens, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Allens, Pennsylvania, USA
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