Climate and monthly weather forecastPotomac Heights, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Potomac Heights, Maryland, with an average temperature ranging between min 27.3°F (-2.6°C) and max 41°F (5°C). Potomac Heights notes the coldest temperatures in January, with a high average of 41°F (5°C) and a low of 27.3°F (-2.6°C). Weather in January »Weather in February
February, the last month of the winter in Potomac Heights, is a chilly month, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 29.7°F (-1.3°C). Shifting into February, Potomac Heights records an average high-temperature of a frosty 45.3°F (7.4°C), presenting minor fluctuations compared to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Potomac Heights, Maryland, with an average temperature varying between 37°F (2.8°C) and 53.2°F (11.8°C). The arrival of March signals a slight increase in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in February to a cool 53.2°F (11.8°C). Weather in March »Weather in April
April is a refreshing spring month in Potomac Heights, Maryland, with an average temperature fluctuating between 65.5°F (18.6°C) and 47.1°F (8.4°C). Noticing a change, the average high-temperature during April moves from March's cool 53.2°F (11.8°C) to an enjoyable 65.5°F (18.6°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Potomac Heights, Maryland, with an average temperature varying between 75.2°F (24°C) and 56.3°F (13.5°C). Potomac Heights experiences a temperature shift with the start of May, with average high-temperatures moving from an enjoyable 65.5°F (18.6°C) in April to a warm 75.2°F (24°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Potomac Heights, Maryland, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 63.5°F (17.5°C). June showcases a minor temperature ascent, adjusting from May's moderately hot 75.2°F (24°C) to a still warm 83.1°F (28.4°C). Weather in June »Weather in July
July in Potomac Heights, Maryland, is a hot summer month, with an average temperature fluctuating between 88.2°F (31.2°C) and 68.5°F (20.3°C). With its high average temperature of 88.2°F (31.2°C) and a low of 68.5°F (20.3°C), July is regarded as the warmest month. The heat index value for July is estimated at a torrid 102.2°F (39°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Potomac Heights, Maryland, with an average temperature ranging between min 66.7°F (19.3°C) and max 86°F (30°C). Potomac Heights experiences a subtle adjustment in high-temperatures to a still tropical 86°F (30°C) with the onset of August, maintaining near parity with July's 88.2°F (31.2°C). Weather in August »Weather in September
September, the first month of the autumn in Potomac Heights, is still a warm month, with an average temperature ranging between min 61.3°F (16.3°C) and max 79°F (26.1°C). Potomac Heights records a mild change in average high-temperature during September, easing from a hot 86°F (30°C) in August to a moderately hot 79°F (26.1°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Potomac Heights, Maryland, with an average temperature varying between 50.7°F (10.4°C) and 67.1°F (19.5°C). The shift from September to October involves a decrease in the average high-temperature, from a warm 79°F (26.1°C) to a refreshing 67.1°F (19.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Potomac Heights, Maryland, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 54.9°F (12.7°C). November's arrival comes with a decrease in the average high-temperature, moving from an enjoyable 67.1°F (19.5°C) in October to a fresh 54.9°F (12.7°C). Weather in November »Weather in December
December, the first month of the winter in Potomac Heights, is also a frosty month, with an average temperature varying between 33.6°F (0.9°C) and 46.6°F (8.1°C). The start of December involves a subtle temperature drop, shifting from a fresh 54.9°F (12.7°C) in November to a frosty 46.6°F (8.1°C). Weather in December »Updated: Jul 30, 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 is the coldest month in Potomac Heights, exhibiting average temperatures of 41°F (5°C) at the peak and 27.3°F (-2.6°C) at the base.
The month with the least rainfall is January, when the rain falls for 10.1 days and typically collects 2.01" (51mm) of precipitation.
Throughout the year, there are 164.3 rainfall days, and 32.32" (821mm) of precipitation is accumulated.
January through April and December are months with snowfall.
The month with the most snowfall in Potomac Heights is January, when snow falls for 4.8 days and typically aggregates up to 2.44" (62mm) of snow.
Throughout the year, there are 14.6 snowfall days, and 7.8" (198mm) of snow is accumulated.
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.
February and December, with an average of 5.2h of sunshine, are months with the least 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.
April and July, with an average relative humidity of 72%, are the least humid months.
May, October and December, with an average relative humidity of 77%, are most humid months.
In Potomac Heights, snow does not fall in May through November.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June has the longest days of the year, with an average of 14h and 48min of daylight.
With average high temperatures of 88.2°F (31.2°C) and lows of 68.5°F (20.3°C), July is the warmest month.
With an average of 10.8h of sunshine, July has the most sunshine of the year in Potomac Heights.
The month with the most rainfall is August, when the rain falls for 17.7 days and typically aggregates up to 3.86" (98mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Potomac Heights, MD
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Potomac Heights, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"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:
29.95"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 (29.95"Hg).
Average wind speed
Potomac Heights, MD
- Average wind speed in January:
6.8mph - Average wind speed in February:
7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Potomac Heights, MD
The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
Potomac Heights, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.2" - Average rainfall in March:
2.52" - Average rainfall in April:
2.83" - Average rainfall in May:
3.23" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days
Potomac Heights, MD
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Potomac Heights, MD
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
Potomac Heights, MD
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.1 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:
2.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Potomac Heights, 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:
6h and 54min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days
Potomac Heights, MD
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Potomac Heights, 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, November and December (UV index 2).
Average cloud cover
Potomac Heights, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Potomac Heights, MD
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
