Climate and monthly weather forecastSevern, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Severn, Maryland, with an average temperature fluctuating between 27.3°F (-2.6°C) and 38.8°F (3.8°C). Severn experiences its lowest temperatures in January, with an average peak of 38.8°F (3.8°C) and a low of 27.3°F (-2.6°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Severn, Maryland, with an average temperature fluctuating between 43°F (6.1°C) and 29.7°F (-1.3°C). With February's arrival, Severn notes an average high-temperature of a frosty 43°F (6.1°C), closely following the trend of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Severn, is a fresh month, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 36.7°F (2.6°C). The arrival of March witnesses a small shift in the average high-temperature, moving from a chilly 43°F (6.1°C) in February to a cool 50.7°F (10.4°C). Weather in March »Weather in April
April is a comfortable spring month in Severn, Maryland, with an average temperature varying between 63.1°F (17.3°C) and 46.6°F (8.1°C). The start of April is characterized by an increase in the average high-temperature, transitioning from a cool 50.7°F (10.4°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Severn, Maryland, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 56.3°F (13.5°C). Observing a rise in May, the average high-temperature goes from April's enjoyable 63.1°F (17.3°C) to an agreeable 72.3°F (22.4°C). Weather in May »Weather in June
June, the first month of the summer in Severn, is a moderately hot month, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 64.8°F (18.2°C). As Severn welcomes June, the average high-temperature displays a subtle shift, adjusting from a pleasant 72.3°F (22.4°C) in May to a warm 80.8°F (27.1°C). Weather in June »Weather in July
July, like June, in Severn, Maryland, is another warm summer month, with an average temperature ranging between max 85.6°F (29.8°C) and min 70°F (21.1°C). July, with an average high of 85.6°F (29.8°C) and a low of 70°F (21.1°C), signifies the warmest month of the year. July's mean heat index is appraised at a sweltering 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Severn, Maryland, with an average temperature ranging between max 83.8°F (28.8°C) and min 68.7°F (20.4°C). Welcoming August, Severn notes an average high-temperature of a still moderately hot 83.8°F (28.8°C), nearly consistent with July's 85.6°F (29.8°C). Weather in August »Weather in September
September, the first month of the autumn in Severn, is still a warm month, with an average temperature varying between 77.2°F (25.1°C) and 62.2°F (16.8°C). The advent of September brings a subtle shift in temperature, with the average high moving from 83.8°F (28.8°C) in August to a still warm 77.2°F (25.1°C). Weather in September »Weather in October
October, like September, in Severn, Maryland, is another comfortable autumn month, with an average temperature ranging between max 65.3°F (18.5°C) and min 51.8°F (11°C). The shift to October brings a decrease in the average high-temperature, falling from a warm 77.2°F (25.1°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Severn, is also a fresh month, with an average temperature varying between 40.3°F (4.6°C) and 53.4°F (11.9°C). As November begins, there is a decrease in the average high-temperature, falling from a refreshing 65.3°F (18.5°C) in October to a fresh 53.4°F (11.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Severn, Maryland, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.2°F (1.2°C). The arrival of December signals a subtle shift in temperature, down from a fresh 53.4°F (11.9°C) in November to a chilly 45.5°F (7.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Severn, MD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Severn, 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:
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:
30.04"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
Severn, MD
- Average wind speed in January:
8.9mph - Average wind speed in February:
9mph - Average wind speed in March:
9mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.3mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Severn, MD
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
Severn, MD
- Average rainfall in January:
1.77" - Average rainfall in February:
1.97" - Average rainfall in March:
2.17" - Average rainfall in April:
2.2" - Average rainfall in May:
2.91" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.43" - Average rainfall in August:
3.94" - Average rainfall in September:
2.09" - Average rainfall in October:
2.2" - Average rainfall in November:
1.97" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days
Severn, MD
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Severn, MD
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Severn, MD
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.6 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:
0.3 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Severn, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
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 12min - Average sunshine in February:
5h and 6min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 12min
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 6min).
Average sunshine days
Severn, MD
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Severn, 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
Severn, MD
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Severn, 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).





