Climate and monthly weather forecast
East Riverdale, MD

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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 »

Frequently asked questions

What part of the year is the coldest?

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).

What is the driest month?

January is the month with the least rainfall in East Riverdale. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.

How much does it rain?

Throughout the year, in East Riverdale, Maryland, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

When does it snow?

January through April and December are months with snowfall in East Riverdale.

What is the snowiest month?

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.

How many days does it snow?

Throughout the year, there are 13.5 snowfall days, and 7.2" (183mm) of snow is accumulated.

When is the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 5h of sunshine.

When is Daylight Saving Time (DST)?

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.

What is the least humid month?

The months with the lowest humidity are April and July, with an average relative humidity of 71%.

What are the most humid months?

May, October and December, with an average relative humidity of 76%, are most humid months.

When it does not snow?

In East Riverdale, snow does not fall in May through November.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the warmest month?

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.

What month has the most sunshine in East Riverdale?

July has the most sunshine of the year, with an average of 10.9h of sunshine.

What is the rainiest month?

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.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

Average temperature
East Riverdale, MD

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 - East Riverdale, MD

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 - East Riverdale, MD

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

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 - East Riverdale, MD

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 - East Riverdale, MD

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

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 - East Riverdale, MD

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 / Average sunshine - East Riverdale, MD

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).

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 - East Riverdale, MD

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

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 visibility
East Riverdale, MD

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).

East Riverdale, Maryland, USA

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