October weather forecast
North Potomac, MD

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Weather in October

October, like September, in North Potomac, Maryland, is another enjoyable autumn month, with an average temperature varying between 49.8°F (9.9°C) and 65.8°F (18.8°C).

Temperature

The move into October indicates a reduction in the average high-temperature, down from September's moderately hot 78.3°F (25.7°C) to a comfortable 65.8°F (18.8°C). North Potomac, during October nights, observes an average temperature of 49.8°F (9.9°C).

Humidity

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

Rainfall

In North Potomac, Maryland, in October, it is raining for 12.1 days, with typically 2.4" (61mm) of accumulated precipitation. In North Potomac, during the entire year, the rain falls for 156.5 days and collects up to 30.71" (780mm) of precipitation.

Snowfall

May through October are months without snowfall in North Potomac.

Daylight

The average length of the day in October is 11h and 10min.
On the first day of October in North Potomac, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:08 pm EDT.

Sunshine

In North Potomac, Maryland, the average sunshine in October is 5.6h.

UV index

In North Potomac, Maryland, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the maximum UV index of 4 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the usual temperature for North Potomac in October?

The high-temperature, in October, in North Potomac, is 65.8°F (18.8°C), while the low-temperature averages to 49.8°F (9.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 95°F (35°C).

What is the most humid month in North Potomac?

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

What is the average humidity in October in North Potomac?

The average relative humidity in October in North Potomac, Maryland, is 76%.

How many days does it rain in October in North Potomac?

In North Potomac, Maryland, during October, the rain falls for 12.1 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in North Potomac?

May through October are months without snowfall in North Potomac, Maryland.

Does it snow in North Potomac in October?

In North Potomac, Maryland, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in North Potomac?

In North Potomac, Maryland, the average day length in October is 11h and 10min.

When are sunrise and sunset in October in North Potomac?

On the first day of October in North Potomac, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:08 pm EDT.

How many hours of sunshine does North Potomac have in October?

The average sunshine duration in October is 5.6h.

How high is the UV index in October in North Potomac?

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
North Potomac, MD

Average temperature in October - North Potomac, MD
  • Average high temperature in October: 65.8°F

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).

  • Average low temperature in October: 49.8°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).

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Average pressure in October
North Potomac, MD

Average pressure in October - North Potomac, MD
  • Average pressure in October: 30.04"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).

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Average wind speed in October
North Potomac, MD

Average wind speed in October - North Potomac, MD
  • Average wind speed in October: 6.5mph

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).

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Average humidity in October
North Potomac, MD

Average humidity in October - North Potomac, MD
  • Average humidity in October: 76%

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

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Average rainfall in October
North Potomac, MD

Average rainfall in October - North Potomac, MD
  • Average rainfall in October: 2.4"

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

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Average rainfall days in October
North Potomac, MD

Average rainfall days in October - North Potomac, MD
  • Average rainfall days in October: 12.1 days

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).

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Average snowfall in October
North Potomac, MD

Average snowfall in October - North Potomac, MD
  • Average snowfall in October: 0"

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").

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Average snowfall days in October
North Potomac, MD

Average snowfall days in October - North Potomac, MD
  • Average snowfall days in October: 0 days

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).

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Average daylight in October /
Average sunshine in October
North Potomac, MD

Average daylight in October / Average sunshine in October - North Potomac, MD
  • Average daylight in October: 11h and 1min

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 October: 5h and 4min

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).

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Average sunshine days in October
North Potomac, MD

Average sunshine days in October - North Potomac, MD
  • Average sunshine days in October: 17.5 days

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

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Average UV index in October
North Potomac, MD

Average UV index in October - North Potomac, MD
  • Average UV index in October: 4

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).

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Average cloud cover in October
North Potomac, MD

Average cloud cover in October - North Potomac, MD
  • Average cloud cover in October: 39

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in October
North Potomac, MD

Average visibility in October - North Potomac, MD
  • Average visibility in October: 6mi

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).

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North Potomac, Maryland, USA

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