Climate and monthly weather forecastCrownsville, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Crownsville, Maryland, with an average temperature varying between 39.6°F (4.2°C) and 28.4°F (-2°C). The coldest temperatures occur during January, when averages reach a peak of 39.6°F (4.2°C) and a low of 28.4°F (-2°C). Weather in January »Weather in February
February, the last month of the winter in Crownsville, is a chilly month, with an average temperature ranging between max 43.2°F (6.2°C) and min 30.7°F (-0.7°C). In February, Crownsville experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 39.6°F (4.2°C) in January to a chilly 43.2°F (6.2°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Crownsville, Maryland, with an average temperature ranging between max 50.7°F (10.4°C) and min 37.8°F (3.2°C). As Crownsville transitions into March, a marginal rise in the average high-temperature is observed, moving from a chilly 43.2°F (6.2°C) in February to a fresh 50.7°F (10.4°C). Weather in March »Weather in April
April in Crownsville, Maryland, is a refreshing spring month, with an average temperature ranging between min 47.5°F (8.6°C) and max 62.8°F (17.1°C). Crownsville's weather in April presents a rise in the average high-temperature, moving from a cool 50.7°F (10.4°C) in March to a refreshing 62.8°F (17.1°C). Weather in April »Weather in May
May, the last month of the spring in Crownsville, is a pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 57.2°F (14°C). Observing a rise in May, the average high-temperature goes from April's refreshing 62.8°F (17.1°C) to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Crownsville, is a warm month, with an average temperature ranging between min 65.7°F (18.7°C) and max 80.2°F (26.8°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from an agreeable 72.1°F (22.3°C) in May to a warm 80.2°F (26.8°C). Weather in June »Weather in July
July, like June, in Crownsville, Maryland, is another warm summer month, with an average temperature fluctuating between 70.7°F (21.5°C) and 85.6°F (29.8°C). With average high and low temperatures of 85.6°F (29.8°C) and 70.7°F (21.5°C) respectively, July is Crownsville's warmest month. The heat index for July is appraised at a fiery hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Crownsville, Maryland, with an average temperature varying between 83.7°F (28.7°C) and 69.1°F (20.6°C). Crownsville, Maryland, experiences an average high-temperature of a still warm 83.7°F (28.7°C) with the onset of August, subtly varied from July's 85.6°F (29.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Crownsville, Maryland, with an average temperature varying between 77.4°F (25.2°C) and 63.3°F (17.4°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 83.7°F (28.7°C) in August to a still moderately hot 77.4°F (25.2°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Crownsville, Maryland, with an average temperature ranging between min 52.9°F (11.6°C) and max 65.5°F (18.6°C). October weather is marked by a drop in the average high-temperature, falling from a moderately hot 77.4°F (25.2°C) in September to an enjoyable 65.5°F (18.6°C). Weather in October »Weather in November
November, the last month of the autumn in Crownsville, is also a fresh month, with an average temperature fluctuating between 41.4°F (5.2°C) and 53.8°F (12.1°C). As November commences, the average high-temperature shows a reduction, transitioning from an enjoyable 65.5°F (18.6°C) in October to a fresh 53.8°F (12.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Crownsville, Maryland, with an average temperature fluctuating between 34.7°F (1.5°C) and 45.5°F (7.5°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's fresh 53.8°F (12.1°C) to a frosty 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
Crownsville, 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 (39.6°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure
Crownsville, 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
Crownsville, MD
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Crownsville, MD
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall
Crownsville, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.36" - Average rainfall in March:
2.48" - Average rainfall in April:
2.6" - Average rainfall in May:
2.87" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.54" - Average rainfall in September:
1.89" - Average rainfall in October:
2.64" - Average rainfall in November:
2.17" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Crownsville, MD
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Crownsville, MD
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Crownsville, MD
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
2.4 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:
0.5 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Crownsville, 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 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 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 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 48min - 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
Crownsville, MD
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Crownsville, 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, November and December (UV index 2).
Average cloud cover
Crownsville, MD
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Crownsville, 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).





