Climate and monthly weather forecastWest River, MD
Climate and monthly weather forecast
Weather in January
January, like December, in West River, Maryland, is an icy winter month, with an average temperature ranging between min 30°F (-1.1°C) and max 40.5°F (4.7°C). The coldest temperatures occur during January, when averages reach a peak of 40.5°F (4.7°C) and a low of 30°F (-1.1°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in West River, Maryland, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 43.7°F (6.5°C). February observes an average high-temperature of a chilly 43.7°F (6.5°C), marking an insignificant difference from January's 40.5°F (4.7°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in West River, Maryland, with an average temperature varying between 38.8°F (3.8°C) and 50.9°F (10.5°C). West River's transition into March sees a mild rise in the average high-temperature, edging from a chilly 43.7°F (6.5°C) in February to a cool 50.9°F (10.5°C). Weather in March »Weather in April
April is a comfortable spring month in West River, Maryland, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 48.7°F (9.3°C). The start of April brings a shift in the average high-temperature, increasing from March's fresh 50.9°F (10.5°C) to a refreshing 62.6°F (17°C). Weather in April »Weather in May
May, the last month of the spring in West River, is an agreeable month, with an average temperature varying between 57.9°F (14.4°C) and 71.2°F (21.8°C). With the onset of May, West River observes a minor temperature ascent, with the average high-temperature adjusting from April's comfortable 62.6°F (17°C) to a pleasant 71.2°F (21.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in West River, Maryland, with an average temperature varying between 79.7°F (26.5°C) and 66.2°F (19°C). West River observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 71.2°F (21.8°C) to a moderately hot 79.7°F (26.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in West River, Maryland, with an average temperature varying between 71.2°F (21.8°C) and 84.7°F (29.3°C). With average high temperatures of 84.7°F (29.3°C) and lows of 71.2°F (21.8°C), July is the warmest month. The heat index in July is computed to be a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in West River, is another warm month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 70.3°F (21.3°C). The arrival of August coincides with an average high-temperature of a still warm 82.9°F (28.3°C), indicating a minimal shift from July's 84.7°F (29.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in West River, Maryland, with an average temperature ranging between max 76.8°F (24.9°C) and min 64.9°F (18.3°C). September ushers in a minor alteration in West River's climate, with the average high-temperature moving from August's 82.9°F (28.3°C) to a still warm 76.8°F (24.9°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in West River, Maryland, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 66°F (18.9°C). October indicates a shift in the average high-temperature, from September's moderately hot 76.8°F (24.9°C) to a comfortable 66°F (18.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in West River, Maryland, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 54.5°F (12.5°C). In November, the meteorological conditions alter, with the average high-temperature shifting from an enjoyable 66°F (18.9°C) in October to a cool 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in West River, Maryland, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 36.5°F (2.5°C). In the transition to December, West River observes a minor drop in the average high-temperature, shifting from a fresh 54.5°F (12.5°C) in November to a chilly 46.4°F (8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West River, MD
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.5°F).
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure
West River, 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:
29.96"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:
30.13"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 (29.94"Hg).
Average wind speed
West River, MD
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.8mph - Average wind speed in November:
8.9mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity
West River, MD
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall
West River, MD
- Average rainfall in January:
0.51" - Average rainfall in February:
0.55" - Average rainfall in March:
0.75" - Average rainfall in April:
0.83" - Average rainfall in May:
1.06" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.93" - Average rainfall in September:
0.83" - Average rainfall in October:
0.98" - Average rainfall in November:
0.55" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
West River, MD
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is November (5.9 days).
Average snowfall
West River, MD
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
West River, MD
- Average snowfall days in January:
2.6 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1.4 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:
1.4 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West River, 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 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- 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 48min).
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 12min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 0min - 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 30min - Average sunshine in September:
9h and 12min - 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 months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days
West River, MD
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
22.6 days - Average sunshine days in December:
21 days
The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is August (12.5 days).
Average UV index
West River, 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 and December (UV index 2).
Average cloud cover
West River, MD
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
West River, 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).





