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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Riverdale Park, Maryland, is an icy winter month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 39.9°F (4.4°C). January, with its high-temperature average of 39.9°F (4.4°C) and a low-temperature average of 27.7°F (-2.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Riverdale Park, Maryland, with an average temperature ranging between min 30°F (-1.1°C) and max 44.2°F (6.8°C). Shifting into February, Riverdale Park records an average high-temperature of a chilly 44.2°F (6.8°C), presenting minor fluctuations compared to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Riverdale Park, is a cool month, with an average temperature fluctuating between 37.4°F (3°C) and 52.3°F (11.3°C). Riverdale Park observes a slight ascent in average high-temperatures during March, adjusting from a frosty 44.2°F (6.8°C) in February to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April is a comfortable spring month in Riverdale Park, Maryland, with an average temperature fluctuating between 64.8°F (18.2°C) and 47.3°F (8.5°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a fresh 52.3°F (11.3°C) to a refreshing 64.8°F (18.2°C). Weather in April »
Weather in May
May, the last month of the spring in Riverdale Park, is a moderately hot month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 73.9°F (23.3°C). A shift in the average high-temperature is noticeable in May, changing from a refreshing 64.8°F (18.2°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Riverdale Park, Maryland, with an average temperature fluctuating between 64.6°F (18.1°C) and 81.9°F (27.7°C). As Riverdale Park enters June, the average high-temperature marginally increases from the a warm 73.9°F (23.3°C) of May to a still moderately hot 81.9°F (27.7°C). Weather in June »
Weather in July
July is a tropical summer month in Riverdale Park, Maryland, with an average temperature ranging between max 87.4°F (30.8°C) and min 70°F (21.1°C). July stands out as Riverdale Park's warmest month, with an average high-temperature of 87.4°F (30.8°C) and a low-temperature of 70°F (21.1°C). The average heat index in July is computed to be a torrid 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Riverdale Park, is also a moderately hot month, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 68.7°F (20.4°C). Riverdale Park's weather in August displays an average high-temperature of a moderately hot 85.1°F (29.5°C), showing minor disparity from July's 87.4°F (30.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Riverdale Park, Maryland, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 62.2°F (16.8°C). September brings a slight decrease in temperature, down from a moderately hot 85.1°F (29.5°C) in August to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, like September, in Riverdale Park, Maryland, is another comfortable autumn month, with an average temperature ranging between min 51.8°F (11°C) and max 66.2°F (19°C). Riverdale Park's October weather features a mild decline in high-temperatures, reducing from a warm 78.1°F (25.6°C) in September to a refreshing 66.2°F (19°C). Weather in October »
Weather in November
November, the last month of the autumn in Riverdale Park, is also a fresh month, with an average temperature fluctuating between 54.1°F (12.3°C) and 40.1°F (4.5°C). The start of November comes with a reduction in the average high-temperature, receding from a comfortable 66.2°F (19°C) in October to a cool 54.1°F (12.3°C). Weather in November »
Weather in December
December, the first month of the winter in Riverdale Park, is still a chilly month, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.3°F (1.3°C). The onset of December results in a small decrease in the average high-temperature, moderately receding from a cool 54.1°F (12.3°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Riverdale Park?
January tends to be the coldest month in Riverdale Park, Maryland, with temperatures averaging a daily high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).
What is the driest month in Riverdale Park?
January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.
How much does it rain in Riverdale Park?
In Riverdale Park, Maryland, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.
When does it snow in Riverdale Park?
January through April and December are months with snowfall in Riverdale Park.
What is the snowiest month in Riverdale Park?
January is the month with the most snowfall. Snow falls for 4.1 days and accumulates 2.6" (66mm) of snow.
How much does it snow in Riverdale Park?
Throughout the year, in Riverdale Park, Maryland, there are 13.5 snowfall days, and 7.2" (183mm) of snow is accumulated.
When is the lowest UV index in Riverdale Park?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Riverdale Park, Maryland.
What is the month with the least sunshine in Riverdale Park?
With an average of 5h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST) in Riverdale Park?
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 are the least humid months in Riverdale Park?
April and July, with an average relative humidity of 71%, are the least humid months in Riverdale Park.
What are the most humid months in Riverdale Park?
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.
When it does not snow in Riverdale Park?
In Riverdale Park, Maryland, snow does not fall in May through November.
When is the highest UV index in Riverdale Park?
The months with the highest UV index in Riverdale Park are May through August, with an average maximum UV index of 6.
When are the longest days in Riverdale Park?
June has the longest days of the year in Riverdale Park, with an average of 14h and 54min of daylight.
What is the warmest month in Riverdale Park?
Riverdale Park's warmest month, July, generally records average temperatures ranging from a high of 87.4°F (30.8°C) to a low of 70°F (21.1°C).
What month has the most sunshine in Riverdale Park?
The month with the most sunshine is July, with an average of 10.9h of sunshine.
What is the wettest month in Riverdale Park?
The month with the most rainfall in Riverdale Park 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 in Riverdale Park?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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).
Riverdale Park, Maryland, USA
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