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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 Glyndon, Maryland, is an icy winter month, with an average temperature varying between 24.8°F (-4°C) and 37.4°F (3°C). With average temperatures fluctuating between a high of 37.4°F (3°C) and a low of 24.8°F (-4°C), January stands out as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Glyndon, Maryland, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 27°F (-2.8°C). The transition from January to February sees average high-temperatures adjusting to a still wintry 41.4°F (5.2°C), from a not significantly different 37.4°F (3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Glyndon, Maryland, with an average temperature varying between 49.8°F (9.9°C) and 34°F (1.1°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from an icy 41.4°F (5.2°C) to a frosty 49.8°F (9.9°C). Weather in March »
Weather in April
April in Glyndon, Maryland, is a refreshing spring month, with an average temperature varying between 43.9°F (6.6°C) and 62.1°F (16.7°C). April sees a rise in the average high-temperature, climbing from a frosty 49.8°F (9.9°C) in March to an enjoyable 62.1°F (16.7°C). Weather in April »
Weather in May
May, the last month of the spring in Glyndon, is an agreeable month, with an average temperature varying between 71.4°F (21.9°C) and 54.1°F (12.3°C). The average high-temperature increases in May, moving from a comfortable 62.1°F (16.7°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Glyndon, is a moderately hot month, with an average temperature varying between 61.7°F (16.5°C) and 79°F (26.1°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 71.4°F (21.9°C) in May to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Glyndon, Maryland, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.2°F (29°C). July, known for its average high temperature of 84.2°F (29°C) and an average low temperature of 66.7°F (19.3°C), is the warmest month. For most parts of July, the heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Glyndon, Maryland, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82.4°F (28°C). Welcoming August, Glyndon notes an average high-temperature of a still warm 82.4°F (28°C), nearly consistent with July's 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Glyndon, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 58.8°F (14.9°C). The beginning of September brings a minor change in the average high-temperature, shifting from a warm 82.4°F (28°C) in August to a still moderately hot 75.9°F (24.4°C). Weather in September »
Weather in October
October, like September, in Glyndon, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 48.4°F (9.1°C) and 64.2°F (17.9°C). In Glyndon, entering October brings a temperature decrement, reducing from September's moderately hot 75.9°F (24.4°C) to a comfortable 64.2°F (17.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Glyndon, Maryland, with an average temperature ranging between min 37.2°F (2.9°C) and max 51.8°F (11°C). The arrival of November corresponds with a temperature reduction, down from October's refreshing 64.2°F (17.9°C) to a cool 51.8°F (11°C). Weather in November »
Weather in December
December, the first month of the winter in Glyndon, is still a chilly month, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 43.3°F (6.3°C). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 51.8°F (11°C) to a chilly 43.3°F (6.3°C). Weather in December »
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Glyndon?
In Glyndon, January registers the lowest temperatures, averaging 37.4°F (3°C) at the peak and 24.8°F (-4°C) at the lowest.
What is the least humid month?
The months with the lowest humidity are January, March, April, July and November, with an average relative humidity of 75%.
How much does it rain?
In Glyndon, during the entire year, the rain falls for 158.9 days and collects up to 31.38" (797mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
In Glyndon, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
February is the month with the least rainfall. Rain falls for 8.9 days and accumulates 1.89" (48mm) of precipitation.
What is the month with the least sunshine?
With an average of 4.7h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 4.1 days and typically aggregates up to 3.46" (88mm) of snow.
When is Daylight Saving Time (DST)?
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 most humid month?
May is the most humid month in Glyndon, Maryland, with an average relative humidity of 80%.
When it does not snow?
May through September are months without snowfall.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What is the hottest time of year?
The warmest period tends to be July, when average temperatures fluctuate between a high of 84.2°F (29°C) and a low of 66.7°F (19.3°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.86" (98mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year in Glyndon, with an average of 9h and 24min of daylight.
Average temperature
Glyndon, MD
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Glyndon, 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:
30.06"Hg - Average pressure in October:
30.04"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
Glyndon, MD
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
Glyndon, MD
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall
Glyndon, MD
- Average rainfall in January:
2.09" - Average rainfall in February:
1.89" - Average rainfall in March:
2.28" - Average rainfall in April:
2.56" - Average rainfall in May:
3.19" - Average rainfall in June:
2.56"
- Average rainfall in July:
3.03" - Average rainfall in August:
3.86" - Average rainfall in September:
2.24" - Average rainfall in October:
2.68" - Average rainfall in November:
2.56" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days
Glyndon, MD
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Glyndon, MD
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Glyndon, MD
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Glyndon, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - 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 0min - Average daylight in December:
9h 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 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Glyndon, MD
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Glyndon, 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, February, November and December (UV index 2).
Average cloud cover
Glyndon, MD
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Glyndon, MD
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Glyndon, Maryland, USA
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