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
Old Germantown, Maryland, sees an increase in average high-temperatures during May, moving from an enjoyable 63.5°F (17.5°C) in April to a moderately hot 73.6°F (23.1°C). Throughout the May nights, Old Germantown encounters a low-temperature of 54.9°F (12.7°C).Humidity
The average relative humidity in May in Old Germantown is 77%.Rainfall
In Old Germantown, in May, during 17.5 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Old Germantown, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows in Old Germantown. During 0.1 snowfall days, in May, Old Germantown aggregates 0.16" (4mm) of snow. In Old Germantown, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.Daylight
In May, the average length of the day in Old Germantown is 14h and 20min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:29 pm EDT.
Sunshine
In Old Germantown, Maryland, the average sunshine in May is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Old Germantown. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Old Germantown in May?
What is the average humidity in May in Old Germantown?
How many days does it rain in May in Old Germantown?
What is the last month it snows in Old Germantown?
How many hours of daylight does Old Germantown have in May?
What time are sunrise and sunset in May in Old Germantown?
How many hours of sunshine does Old Germantown have in May?
What are the months with the highest UV index in Old Germantown?
How high is the UV index in May in Old Germantown?
Average temperature in May
Old Germantown, MD
- Average high temperature in May: 73.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Old Germantown, 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
Old Germantown, MD
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Old Germantown, MD
- Average humidity in May: 77%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Old Germantown, MD
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in May
Old Germantown, MD
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in May
Old Germantown, MD
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Old Germantown, MD
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Old Germantown, 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 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Old Germantown, MD
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Old Germantown, 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, February, November and December (UV index 2).
Average cloud cover in May
Old Germantown, MD
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Old Germantown, 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).
Old Germantown, Maryland, USA
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