Climate and monthly weather forecastEast Riverdale, MD
Climate and monthly weather forecast
Weather in January
January, like December, in East Riverdale, Maryland, is a wintry winter month, with an average temperature varying between 27.7°F (-2.4°C) and 39.9°F (4.4°C). In East Riverdale, January is the month with the lowest recorded average temperatures, measuring a high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C). Weather in January »Weather in February
February, the last month of the winter in East Riverdale, is a chilly month, with an average temperature fluctuating between 44.2°F (6.8°C) and 30°F (-1.1°C). The arrival of February brings an average high-temperature of a chilly 44.2°F (6.8°C), nearly identical to January's 39.9°F (4.4°C). Weather in February »Weather in March
March, the first month of the spring in East Riverdale, is a cool month, with an average temperature fluctuating between 52.3°F (11.3°C) and 37.4°F (3°C). East Riverdale's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's chilly 44.2°F (6.8°C) to a cool 52.3°F (11.3°C). Weather in March »Weather in April
April is an enjoyable spring month in East Riverdale, Maryland, with an average temperature fluctuating between 47.3°F (8.5°C) and 64.8°F (18.2°C). East Riverdale's transition into April brings a rise in the average high-temperature, moving from a cool 52.3°F (11.3°C) in March to a comfortable 64.8°F (18.2°C). Weather in April »Weather in May
May, the last month of the spring in East Riverdale, is a moderately hot month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 57°F (13.9°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 64.8°F (18.2°C) to a warm 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in East Riverdale, is still a warm month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64.6°F (18.1°C). June brings a slight elevation in the average high-temperature, transitioning from May's warm 73.9°F (23.3°C) to a still moderately hot 81.9°F (27.7°C). Weather in June »Weather in July
July in East Riverdale, Maryland, is a hot summer month, with an average temperature fluctuating between 70°F (21.1°C) and 87.4°F (30.8°C). In East Riverdale, the peak average temperatures are observed in July, with a high of 87.4°F (30.8°C) and a low of 70°F (21.1°C). The heat index for July is computed to be a torrid 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in East Riverdale, Maryland, with an average temperature varying between 68.7°F (20.4°C) and 85.1°F (29.5°C). The arrival of August sees a recorded average high-temperature of a warm 85.1°F (29.5°C), showing little divergence from the previous month's conditions. Weather in August »Weather in September
September, the first month of the autumn in East Riverdale, is also a moderately hot month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 78.1°F (25.6°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 85.1°F (29.5°C) in August to a still moderately hot 78.1°F (25.6°C). Weather in September »Weather in October
October, like September, in East Riverdale, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 66.2°F (19°C) and 51.8°F (11°C). The onset of October results in a decrease in the average high-temperature, receding from a warm 78.1°F (25.6°C) in September to a comfortable 66.2°F (19°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in East Riverdale, Maryland, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 40.1°F (4.5°C). East Riverdale observes a minor decrease in the average high-temperature with the arrival of November, falling from October's refreshing 66.2°F (19°C) to a fresh 54.1°F (12.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in East Riverdale, Maryland, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.3°F (1.3°C). December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a cool 54.1°F (12.3°C) in November to a frosty 45.5°F (7.5°C). Weather in December »Updated: Jun 4, 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
January stands out as East Riverdale's coldest month, with temperatures ranging between an average high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).
January is the month with the least rainfall in East Riverdale. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.
Throughout the year, in East Riverdale, Maryland, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.
January through April and December are months with snowfall in East Riverdale.
The month with the most snowfall is January, when snow falls for 4.1 days and typically aggregates up to 2.6" (66mm) of snow.
Throughout the year, there are 13.5 snowfall days, and 7.2" (183mm) of snow is accumulated.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least sunshine is February, with an average of 5h 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.
The months with the lowest humidity are April and July, with an average relative humidity of 71%.
May, October and December, with an average relative humidity of 76%, are most humid months.
In East Riverdale, snow does not fall in May through November.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 54min of daylight.
July, known for its average high temperature of 87.4°F (30.8°C) and an average low temperature of 70°F (21.1°C), is the warmest month.
July has the most sunshine of the year, with an average of 10.9h of sunshine.
The month with the most rainfall is August, when the rain falls for 15.8 days and typically aggregates up to 3.58" (91mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
East Riverdale, MD
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
East Riverdale, MD
- Average pressure in January:
30.11"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:
30.04"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
East Riverdale, MD
- Average wind speed in January:
7.9mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6.1mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
East Riverdale, MD
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
East Riverdale, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.09" - Average rainfall in March:
2.36" - Average rainfall in April:
2.72" - Average rainfall in May:
2.99" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.11" - Average rainfall in August:
3.58" - Average rainfall in September:
2.09" - Average rainfall in October:
2.64" - Average rainfall in November:
2.17" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days
East Riverdale, MD
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall
East Riverdale, MD
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
East Riverdale, MD
- Average snowfall days in January:
4.1 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.2 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:
2.4 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
East Riverdale, 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 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 6min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
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 0min).
Average sunshine days
East Riverdale, MD
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
East Riverdale, 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
East Riverdale, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
East Riverdale, 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).
