Climate and monthly weather forecast
North Potomac, MD

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Weather in January

January, like December, in North Potomac, Maryland, is an icy winter month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 39.4°F (4.1°C). North Potomac's January weather, with an average high temperature of 39.4°F (4.1°C) and an average low temperature of 26.4°F (-3.1°C), tends to be the coldest of the year. Weather in January »

Weather in February

February, the last month of the winter in North Potomac, is a chilly month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 43.9°F (6.6°C). North Potomac transitions into February recording an average high-temperature of a chilly 43.9°F (6.6°C), closely aligning with the preceding month's temperature. Weather in February »

Weather in March

March, the first month of the spring in North Potomac, is a fresh month, with an average temperature varying between 52.3°F (11.3°C) and 36.1°F (2.3°C). The transition from February to March brings a subtle temperature rise, with average high-temperatures increasing from a frosty 43.9°F (6.6°C) to a cool 52.3°F (11.3°C). Weather in March »

Weather in April

April is a comfortable spring month in North Potomac, Maryland, with an average temperature varying between 46°F (7.8°C) and 64.9°F (18.3°C). In April, the average high-temperature increases from a fresh 52.3°F (11.3°C) in March to an enjoyable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring in North Potomac, is a warm month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 74.3°F (23.5°C). North Potomac sees a rise in temperature during May, with average high-temperatures transitioning from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.3°F (23.5°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in North Potomac, Maryland, with an average temperature ranging between max 82.2°F (27.9°C) and min 63.5°F (17.5°C). The arrival of June witnesses a small shift in the average high-temperature, moving from 74.3°F (23.5°C) in May to a still moderately hot 82.2°F (27.9°C). Weather in June »

Weather in July

July in North Potomac, Maryland, is a tropical summer month, with an average temperature varying between 68.5°F (20.3°C) and 87.4°F (30.8°C). With an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month. Throughout July, the heat index is evaluated at a torrid 98.6°F (37°C). Weather in July »

Weather in August

August, the last month of the summer in North Potomac, is also a moderately hot month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 85.5°F (29.7°C). The advent of August reveals an average high-temperature of a moderately hot 85.5°F (29.7°C), showing minimal difference from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in North Potomac, is still a warm month, with an average temperature varying between 78.3°F (25.7°C) and 60.8°F (16°C). September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 85.5°F (29.7°C) in August to a still warm 78.3°F (25.7°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in North Potomac, Maryland, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 65.8°F (18.8°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's moderately hot 78.3°F (25.7°C) to a refreshing 65.8°F (18.8°C). Weather in October »

Weather in November

November, the last month of the autumn in North Potomac, is also a fresh month, with an average temperature varying between 38.7°F (3.7°C) and 53.4°F (11.9°C). The average high-temperature decreases in November, shifting from an enjoyable 65.8°F (18.8°C) in October to a cool 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in North Potomac, Maryland, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 32.9°F (0.5°C). December brings a slight decrease in the average high-temperature, shifting from a fresh 53.4°F (11.9°C) in November to a chilly 45.5°F (7.5°C). Weather in December »

Frequently asked questions

What is the coldest month?

In North Potomac, January is the month with the lowest recorded average temperatures, measuring a high of 39.4°F (4.1°C) and a low of 26.4°F (-3.1°C).

How many days does it rain?

Throughout the year, there are 156.5 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

When does it snow in North Potomac?

January through April, November and December are months with snowfall.

How much does it snow?

Throughout the year, there are 15.5 snowfall days, and 10.24" (260mm) of snow is accumulated.

When is the lowest UV index?

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

What is the driest month?

The month with the least rainfall is February, when the rain falls for 9.3 days and typically collects 1.93" (49mm) of precipitation.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 5h of sunshine.

When does it snow the most?

The month with the most snowfall is March, when snow falls for 3.5 days and typically aggregates up to 3.03" (77mm) of snow.

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.

When it does not snow?

In North Potomac, snow does not fall in May through October.

What is the month 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 month is the hottest?

The month of July, characterized by an average high of 87.4°F (30.8°C) and a low of 68.5°F (20.3°C), is recognized as the warmest.

What is the least humid month?

The least humid month is July, with an average relative humidity of 69%.

What month has the most sunshine in North Potomac?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.86" (98mm) of precipitation.

What are the most humid months?

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

What is the month with the shortest days?

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

Average temperature
North Potomac, MD

Average temperature - North Potomac, 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 (39.4°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 (26.4°F).

Average pressure
North Potomac, MD

Average pressure - North Potomac, MD

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
North Potomac, MD

Average wind speed - North Potomac, MD

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity
North Potomac, MD

Average humidity - North Potomac, MD

The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (69%).

Average rainfall
North Potomac, MD

Average rainfall - North Potomac, MD

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.93").

Average rainfall days
North Potomac, MD

Average rainfall days - North Potomac, MD

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is January (8.1 days).

Average snowfall
North Potomac, MD

Average snowfall - North Potomac, MD

The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
North Potomac, MD

Average snowfall days - North Potomac, MD

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
North Potomac, MD

Average daylight / Average sunshine - North Potomac, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days
North Potomac, MD

Average sunshine days - North Potomac, MD

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.7 days).

Average UV index
North Potomac, MD

Average UV index - North Potomac, 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, February, November and December (UV index 2).

Average visibility
North Potomac, MD

Average visibility - North Potomac, 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).

North Potomac, Maryland, USA

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