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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Glenn Dale, Maryland, is another cold winter month, with an average temperature ranging between min 28°F (-2.2°C) and max 39.7°F (4.3°C). Temperature records mark January as the coldest month, with highs averaging 39.7°F (4.3°C) and lows at 28°F (-2.2°C). Weather in January »
Weather in February
February, the last month of the winter in Glenn Dale, is a chilly month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 43.5°F (6.4°C). Shifting into February, Glenn Dale records an average high-temperature of a frosty 43.5°F (6.4°C), presenting minor fluctuations compared to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Glenn Dale, is a cool month, with an average temperature fluctuating between 37.2°F (2.9°C) and 51.8°F (11°C). Glenn Dale, Maryland, perceives a slight temperature ascent during March, with average high-temperatures adjusting from a chilly 43.5°F (6.4°C) in February to a cool 51.8°F (11°C). Weather in March »
Weather in April
April is a refreshing spring month in Glenn Dale, Maryland, with an average temperature ranging between max 63.7°F (17.6°C) and min 47.5°F (8.6°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a cool 51.8°F (11°C) to a comfortable 63.7°F (17.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Glenn Dale, Maryland, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 73.2°F (22.9°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 63.7°F (17.6°C) in April to a pleasant 73.2°F (22.9°C). Weather in May »
Weather in June
June, the first month of the summer in Glenn Dale, is a warm month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.1°F (27.3°C). The average high-temperature mildly increases in June, edging from a pleasant 73.2°F (22.9°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July in Glenn Dale, Maryland, is a hot summer month, with an average temperature ranging between min 69.8°F (21°C) and max 86.4°F (30.2°C). July brings the highest temperatures, with an average high of 86.4°F (30.2°C) and an average low of 69.8°F (21°C). The heat index value during July is evaluated at a very hot 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Glenn Dale, Maryland, with an average temperature ranging between max 84.4°F (29.1°C) and min 68.7°F (20.4°C). The advent of August sees the average high-temperature at a warm 84.4°F (29.1°C), subtly shifted from July's 86.4°F (30.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Glenn Dale, Maryland, with an average temperature fluctuating between 62.8°F (17.1°C) and 77.9°F (25.5°C). In Glenn Dale, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 84.4°F (29.1°C) to a still warm 77.9°F (25.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Glenn Dale, Maryland, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 66°F (18.9°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 77.9°F (25.5°C) to a refreshing 66°F (18.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Glenn Dale, is another cool month, with an average temperature varying between 40.5°F (4.7°C) and 54°F (12.2°C). During the transition into November, Glenn Dale observes a decrease in the average high-temperature, falling from a comfortable 66°F (18.9°C) in October to a cool 54°F (12.2°C). Weather in November »
Weather in December
December, the first month of the winter in Glenn Dale, is also a frosty month, with an average temperature varying between 34.5°F (1.4°C) and 45.5°F (7.5°C). The onset of December is marked by a minor decrease in temperature, transitioning from a fresh 54°F (12.2°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Glenn Dale?
January is the month when Glenn Dale sees the average lowest temperatures, with a high of 39.7°F (4.3°C) and a low of 28°F (-2.2°C).
What is the driest month in Glenn Dale?
January is the month with the least rainfall. Rain falls for 8.9 days and accumulates 2.05" (52mm) of precipitation.
How much does it rain in Glenn Dale?
Throughout the year, there are 156.7 rainfall days, and 31.81" (808mm) of precipitation is accumulated.
When does it snow in Glenn Dale?
Months with snowfall in Glenn Dale are January through April, November and December.
What is the snowiest month in Glenn Dale?
January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 2.36" (60mm) of snow.
How many days does it snow in Glenn Dale?
Throughout the year, in Glenn Dale, there are 13.6 snowfall days, and 6.73" (171mm) of snow is accumulated.
What are the months with the lowest UV index in Glenn Dale?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenn Dale.
What is the month with the least sunshine in Glenn Dale?
With an average of 5h of sunshine, February has the least sunshine of the year in Glenn Dale, Maryland.
When is Daylight Saving Time (DST) in Glenn Dale?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Glenn Dale?
The least humid month is April, with an average relative humidity of 71%.
What is the most humid month in Glenn Dale?
The most humid month in Glenn Dale, Maryland, is May, with an average relative humidity of 77%.
When it does not snow in Glenn Dale?
May through October are months without snowfall in Glenn Dale.
When is the highest UV index in Glenn Dale?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in Glenn Dale?
The month with the longest days in Glenn Dale, Maryland, is June, with an average of 14h and 54min of daylight.
What are the warmest months in Glenn Dale?
The warmest period in Glenn Dale, Maryland, is July, when temperatures fluctuate between an average high of 86.4°F (30.2°C) and a low of 69.8°F (21°C).
What month has the most sunshine in Glenn Dale?
July has the most sunshine of the year in Glenn Dale, Maryland, with an average of 10.9h of sunshine.
What is the rainiest month in Glenn Dale?
August is the month with the most rainfall in Glenn Dale. Rain falls for 16.2 days and accumulates 3.62" (92mm) of precipitation.
What is the month with the shortest days in Glenn Dale?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Glenn Dale, MD
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure
Glenn Dale, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Glenn Dale, MD
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.4mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity
Glenn Dale, MD
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Glenn Dale, MD
- Average rainfall in January:
2.05" - Average rainfall in February:
2.13" - Average rainfall in March:
2.4" - Average rainfall in April:
2.72" - Average rainfall in May:
2.95" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.39" - Average rainfall in August:
3.62" - Average rainfall in September:
2.13" - Average rainfall in October:
2.68" - Average rainfall in November:
2.17" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Glenn Dale, MD
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
Glenn Dale, MD
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Glenn Dale, MD
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Glenn Dale, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 January:
5h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Glenn Dale, MD
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
13 days - Average sunshine days in September:
16 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Glenn Dale, MD
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
Glenn Dale, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Glenn Dale, MD
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).
Glenn Dale, Maryland, USA
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