Climate and monthly weather forecastAllen, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Allen, Maryland, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 31.5°F (-0.3°C). January is the month that records the lowest temperatures, with averages ranging from a high of 42.1°F (5.6°C) to a low of 31.5°F (-0.3°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Allen, Maryland, with an average temperature ranging between max 45.3°F (7.4°C) and min 33.6°F (0.9°C). The arrival of February records an average high-temperature of a chilly 45.3°F (7.4°C), closely related to the 42.1°F (5.6°C) observed in January. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Allen, Maryland, with an average temperature varying between 39.4°F (4.1°C) and 50.7°F (10.4°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's frosty 45.3°F (7.4°C) to a fresh 50.7°F (10.4°C). Weather in March »Weather in April
April is a refreshing spring month in Allen, Maryland, with an average temperature varying between 49.3°F (9.6°C) and 61.7°F (16.5°C). April brings a rise in Allen's average high-temperature, moving from a cool 50.7°F (10.4°C) in March to an enjoyable 61.7°F (16.5°C). Weather in April »Weather in May
May, the last month of the spring in Allen, is an agreeable month, with an average temperature ranging between min 58.6°F (14.8°C) and max 71.1°F (21.7°C). As Allen transitions into May, the average high-temperature is observed to rise from a comfortable 61.7°F (16.5°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »Weather in June
June, the first month of the summer in Allen, is a warm month, with an average temperature varying between 67.1°F (19.5°C) and 79.3°F (26.3°C). As June arrives, a slight rise in the average high-temperature is observed, moving from a pleasant 71.1°F (21.7°C) in May to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Allen, Maryland, is another warm summer month, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 72.3°F (22.4°C). With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 72.3°F (22.4°C), July is the warmest month. The heat index value for July is evaluated at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Allen, Maryland, with an average temperature varying between 82.8°F (28.2°C) and 71.1°F (21.7°C). The onset of August marks an average high-temperature of a still moderately hot 82.8°F (28.2°C), hardly differing from July's 84.2°F (29°C). Weather in August »Weather in September
September, the first month of the autumn in Allen, is also a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 65.8°F (18.8°C). September reveals a small adjustment in temperature, transitioning from an average high of 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). Weather in September »Weather in October
October, like September, in Allen, Maryland, is another enjoyable autumn month, with an average temperature fluctuating between 67.1°F (19.5°C) and 56.3°F (13.5°C). October is characterized by a reduction in the average high-temperature, from a warm 77°F (25°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Allen, Maryland, with an average temperature fluctuating between 44.4°F (6.9°C) and 55.6°F (13.1°C). Welcoming November, Allen observes a shift in the average high-temperature, falling from October's enjoyable 67.1°F (19.5°C) to a mild 55.6°F (13.1°C). Weather in November »Weather in December
December, the first month of the winter in Allen, is still a chilly month, with an average temperature ranging between max 48.2°F (9°C) and min 38.1°F (3.4°C). In the transition to December, Allen observes a minor drop in the average high-temperature, shifting from a refreshing 55.6°F (13.1°C) in November to a frosty 48.2°F (9°C). Weather in December »Updated: Jun 21, 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
In Allen, the average lowest temperatures are observed in January, with a high of 42.1°F (5.6°C) and a low of 31.5°F (-0.3°C).
With an average relative humidity of 74%, January is the least humid month.
The month with the least rainfall in Allen is January, when the rain falls for 9.7 days and typically collects 1.93" (49mm) of precipitation.
Throughout the year, there are 158.2 rainfall days, and 29.96" (761mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 1.34" (34mm) of snow.
In Allen, during the entire year, snow falls for 8.7 days and aggregates up to 3.74" (95mm) of snow.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the least sunshine are February and December, with an average of 5.3h of sunshine.
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.
April through October are months without snowfall.
The most humid month is May, with an average relative humidity of 79%.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
The month with the longest days is June, with an average of 14h and 48min of daylight.
July is the warmest month of the year, registering average temperatures as high as 84.2°F (29°C) and as low as 72.3°F (22.4°C).
With an average of 10.9h of sunshine, July has the most sunshine of the year.
The month with the most rainfall is August, when the rain falls for 17.2 days and typically aggregates up to 3.46" (88mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Allen, 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 (42.1°F).
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Allen, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Allen, MD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Allen, MD
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall
Allen, MD
- Average rainfall in January:
1.93" - Average rainfall in February:
2.24" - Average rainfall in March:
2.32" - Average rainfall in April:
2.24" - Average rainfall in May:
2.24" - Average rainfall in June:
2.48"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.46" - Average rainfall in September:
2.2" - Average rainfall in October:
3.11" - Average rainfall in November:
2.28" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Allen, MD
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
Allen, MD
The month with the highest snowfall is January (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Allen, MD
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.1 days - Average snowfall days in April:
0 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:
0.2 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Allen, MD
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days
Allen, MD
- Average sunshine days in January:
18.2 days - Average sunshine days in February:
15 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (9.8 days).
Average UV index
Allen, 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
Allen, MD
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Allen, 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).
