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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 Gardens, Maryland, is a wintry winter month, with an average temperature fluctuating between 39.9°F (4.4°C) and 27.7°F (-2.4°C). The month of January, characterized by an average high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Riverdale Gardens, is a chilly month, with an average temperature ranging between min 30°F (-1.1°C) and max 44.2°F (6.8°C). February brings an average high-temperature of a frosty 44.2°F (6.8°C), nearly identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Riverdale Gardens, is a cool month, with an average temperature fluctuating between 52.3°F (11.3°C) and 37.4°F (3°C). March sees a marginal temperature increase, moving from a chilly 44.2°F (6.8°C) in February to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April in Riverdale Gardens, Maryland, is a refreshing spring month, with an average temperature fluctuating between 64.8°F (18.2°C) and 47.3°F (8.5°C). April's onset is marked by a temperature increase, moving from a fresh 52.3°F (11.3°C) in March to a refreshing 64.8°F (18.2°C). Weather in April »
Weather in May
May, the last month of the spring in Riverdale Gardens, 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). The arrival of May brings a temperature shift, with the average high-temperature escalating from an enjoyable 64.8°F (18.2°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »
Weather in June
June, the first month of the summer in Riverdale Gardens, is still a warm month, with an average temperature ranging between min 64.6°F (18.1°C) and max 81.9°F (27.7°C). June's onset brings a subtle temperature rise, moving from 73.9°F (23.3°C) in May to a still moderately hot 81.9°F (27.7°C). Weather in June »
Weather in July
July in Riverdale Gardens, Maryland, is a hot summer month, with an average temperature varying between 87.4°F (30.8°C) and 70°F (21.1°C). July is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C). The average heat index in July is appraised at a torrid 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Riverdale Gardens, Maryland, with an average temperature ranging between max 85.1°F (29.5°C) and min 68.7°F (20.4°C). Riverdale Gardens notes an average high-temperature of a warm 85.1°F (29.5°C) in August, displaying minor variation from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Riverdale Gardens, Maryland, with an average temperature ranging between max 78.1°F (25.6°C) and min 62.2°F (16.8°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling 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 Gardens, Maryland, is another comfortable autumn month, with an average temperature ranging between max 66.2°F (19°C) and min 51.8°F (11°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 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 Riverdale Gardens, Maryland, with an average temperature fluctuating between 40.1°F (4.5°C) and 54.1°F (12.3°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a refreshing 66.2°F (19°C) in October to a fresh 54.1°F (12.3°C). Weather in November »
Weather in December
December, the first month of the winter in Riverdale Gardens, is still a chilly month, with an average temperature ranging between min 34.3°F (1.3°C) and max 45.5°F (7.5°C). December's arrival signals a moderate reduction in the average high-temperature, easing from a cool 54.1°F (12.3°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
Updated: Jun 14, 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
What month is the coldest?
Riverdale Gardens's coldest month, January, generally records average temperatures ranging from a high of 39.9°F (4.4°C) to a low of 27.7°F (-2.4°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.01" (51mm) of precipitation.
How much does it rain?
In Riverdale Gardens, 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?
Months with snowfall in Riverdale Gardens are January through April and December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 4.1 days and accumulates 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?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year.
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?
April and July, with an average relative humidity of 71%, are the least humid months.
What are the most humid months?
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.
When it does not snow?
May through November are months without snowfall.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What part of the year is the hottest?
July is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.9h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.58" (91mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Riverdale Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, 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 Gardens, Maryland, USA
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