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 a wintry winter month, with an average temperature ranging between max 39.7°F (4.3°C) and min 28°F (-2.2°C). The coldest month is January, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 28°F (-2.2°C). Weather in January »
Weather in February
February, the last month of the winter in Glenn Dale, is a frosty month, with an average temperature ranging between max 43.5°F (6.4°C) and min 30.4°F (-0.9°C). In Glenn Dale, the average high-temperature in February is relatively the same as in January - a frosty 43.5°F (6.4°C). Weather in February »
Weather in March
March, the first month of the spring in Glenn Dale, is a fresh month, with an average temperature varying between 37.2°F (2.9°C) and 51.8°F (11°C). In March, the average high-temperature marginally rises 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 an enjoyable spring month in Glenn Dale, Maryland, with an average temperature fluctuating between 63.7°F (17.6°C) and 47.5°F (8.6°C). In April, the average high-temperature increases from a cool 51.8°F (11°C) in March to an enjoyable 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 an average temperature ranging between min 57°F (13.9°C) and max 73.2°F (22.9°C). In Glenn Dale, the average high-temperature in May rises from a comfortable 63.7°F (17.6°C) in April to a pleasant 73.2°F (22.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Glenn Dale, Maryland, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.9°F (18.3°C). In June, the average high-temperature slightly increases from an agreeable 73.2°F (22.9°C) in May to a moderately hot 81.1°F (27.3°C). Weather in June »
Weather in July
July is a tropical summer month in Glenn Dale, Maryland, with temperature in the range of an average low of 69.8°F (21°C) and an average high of 86.4°F (30.2°C). With an average high-temperature of 86.4°F (30.2°C) and an average low-temperature of 69.8°F (21°C), July is the warmest month. The average heat index in July is computed to be a torrid 96.8°F (36°C). Weather in July »
Weather in August
August, the last month of the summer in Glenn Dale, is also a moderately hot month, with an average temperature fluctuating between 68.7°F (20.4°C) and 84.4°F (29.1°C). In August, the average high-temperature is relatively the same as in July - a moderately hot 84.4°F (29.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Glenn Dale, Maryland, with an average temperature ranging between max 77.9°F (25.5°C) and min 62.8°F (17.1°C). In September, the average high-temperature slightly decreases from a warm 84.4°F (29.1°C) in August to a still moderately hot 77.9°F (25.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable 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). In October, the average high-temperature decreases from a moderately hot 77.9°F (25.5°C) in September to a comfortable 66°F (18.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Glenn Dale, Maryland, with an average temperature fluctuating between 40.5°F (4.7°C) and 54°F (12.2°C). In Glenn Dale, the average high-temperature in November decreases from an enjoyable 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 still a chilly month, with an average temperature ranging between min 34.5°F (1.4°C) and max 45.5°F (7.5°C). In Glenn Dale, the average high-temperature in December slightly decreases from a fresh 54°F (12.2°C) in November to a frosty 45.5°F (7.5°C). Weather in December »
[Resources]FAQ
What is the coldest month in Glenn Dale?
January is the coldest month, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 28°F (-2.2°C).
What is the driest month in Glenn Dale?
The month with the least rainfall in Glenn Dale, Maryland, is January, when the rain falls for 8.9 days and typically collects 2.05" (52mm) of precipitation.
How many days 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?
January through April, November and December are months with snowfall in Glenn Dale, Maryland.
What is the snowiest month in Glenn Dale?
January is the month with the most snowfall in Glenn Dale, Maryland. Snow falls for 4.3 days and accumulates 2.36" (60mm) of snow.
How many days does it snow in Glenn Dale?
In Glenn Dale, Maryland, during the entire year, snow falls for 13.6 days and aggregates up to 6.73" (171mm) of snow.
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 12. 2023, at 2:00 am, Daylight Saving Time starts in Glenn Dale, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Glenn Dale?
With an average relative humidity of 71%, April is the least humid month in Glenn Dale.
What is the most humid month in Glenn Dale?
With an average relative humidity of 77%, May is the most humid month in Glenn Dale, Maryland.
When it does not snow in Glenn Dale?
In Glenn Dale, Maryland, snow does not fall in May through October.
What is the month with 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?
With an average of 14h and 52min of daylight, June has the longest days of the year.
What is the warmest month in Glenn Dale?
The warmest month in Glenn Dale, Maryland, is July, with an average high-temperature of 86.4°F (30.2°C) and an average low-temperature of 69.8°F (21°C).
What month has the most sunshine in Glenn Dale?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What is the rainiest month in Glenn Dale?
The month with the most rainfall in Glenn Dale, Maryland, is August, when the rain falls for 16.2 days and typically aggregates up to 3.62" (92mm) of precipitation.
What is the month with the shortest days in Glenn Dale?
With an average of 9h and 29min of daylight, December has the shortest days of the year in Glenn Dale.
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 48min - Average daylight in February:
10h and 46min - Average daylight in March:
11h and 59min - Average daylight in April:
13h and 15min - Average daylight in May:
14h and 19min - Average daylight in June:
14h and 52min
- Average daylight in July:
14h and 35min - Average daylight in August:
13h and 38min - Average daylight in September:
12h and 26min - Average daylight in October:
11h and 10min - Average daylight in November:
10h and 4min - Average daylight in December:
9h and 29min
The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
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).
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