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 an enjoyable 64.2°F (17.9°C) in April to a warm 73.9°F (23.3°C). An average nighttime temperature of 55.8°F (13.2°C) is observed during May.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.Rainfall
In Wheaton Forest, during May, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Wheaton Forest, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Wheaton Forest, the average length of the day in May is 14h and 20min.On the first day of May, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in May translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the most humid months?
What is the average humidity in May in Wheaton Forest?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Wheaton Forest have in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Wheaton Forest, MD
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Wheaton Forest, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Wheaton Forest, MD
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Wheaton Forest, MD
- Average humidity in May: 76%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Wheaton Forest, MD
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in May
Wheaton Forest, MD
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Wheaton Forest, MD
- Average snowfall in May: 0"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Wheaton Forest, MD
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Wheaton Forest, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Wheaton Forest, MD
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in May
Wheaton Forest, 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, November and December (UV index 2).
Average cloud cover in May
Wheaton Forest, MD
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Wheaton Forest, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Wheaton Forest, Maryland, USA
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