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
In Allen, the average high-temperature in May rises, from a comfortable 61.7°F (16.5°C) in April, to a pleasant 71.1°F (21.7°C). Allen records a mean low-temperature of 58.6°F (14.8°C) in May.Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
In Allen, in May, it is raining for 15.9 days, with typically 2.24" (57mm) of accumulated precipitation. In Allen, Maryland, during the entire year, the rain falls for 158.2 days and collects up to 29.96" (761mm) of precipitation.Snowfall
In Allen, snow does not fall in April through October.Daylight
In May, the average length of the day in Allen is 14h and 16min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:54 pm. On the last day of May, in Allen, sunrise is at 5:41 am and sunset at 8:20 pm EDT.
Sunshine
In Allen, the average sunshine in May is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during May leads to these advisories:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Allen in May?
What is the most humid month in Allen?
What is the average humidity in May in Allen?
How many days does it rain in May in Allen?
When it does not snow in Allen?
How many hours of daylight does Allen have in May?
What time are sunrise and sunset in May in Allen?
How many hours of sunshine does Allen have in May?
What is the month with the highest UV index in Allen?
How high is the UV index in May in Allen?
Average temperature in May
Allen, MD
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Allen, MD
- Average pressure in May: 30.02"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
Allen, MD
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Allen, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in May
Allen, MD
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in May
Allen, MD
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in May
Allen, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Allen, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Allen, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days in May
Allen, MD
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in May
Allen, MD
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Allen, MD
- Average cloud cover in May: 38
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Allen, MD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Allen, Maryland, USA
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