October weather forecast
Washington, DC

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Rows of jacaranda trees in spring in the tidal basin of the Washington Monument in Washington city, DC, USA
Rows of jacaranda trees in spring in the tidal basin of the Washington Monument in Washington city, DC, USA

Weather in October

A conspicuous shift towards cooler temperatures occurs in October in Washington, D.C., making it a distinct autumn month. Tourists frequent city parks to witness the leaf-changing spectacle that douses the city in colors. The tone of the city starts shifting from bustling summer activities to calming, autumnal festivities. Even though the city's daylight hours are reduced, the pleasant weather encourages outdoor exploration. Packing light wraps and jackets becomes necessary as evenings can get slightly chilly.

Temperature

October in Washington indicates a shift in the average high-temperature, from September's moderately hot 78.4°F to an enjoyable 66.9°F. Throughout the month of October, Washington witnesses an average temperature of 51.3°F.

Humidity

The average relative humidity in October in Washington is 75%.

Rainfall

In October, in Washington, District of Columbia, the rain falls for 10.4 days. Throughout October, 2.01" of precipitation is accumulated. In Washington, during the entire year, the rain falls for 149.1 days and collects up to 26.14" of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in October is 11h and 10min.
On the first day of October in Washington, sunrise is at 7:04 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:09 pm EDT.

Sunshine

In October, the average sunshine in Washington is 5.7h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 4 during October translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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FAQ

What are the temperatures in Washington in October?

During October, Washington experiences an average high-temperature of 66.9°F and a low-temperature of 51.3°F. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 95°F.

What is the average humidity in October in Washington?

The average relative humidity in October is 75%.

How much does it rain in Washington in October?

In Washington, District of Columbia, in October, during 10.4 rainfall days, 2.01" of precipitation is typically accumulated.

When it does not snow in Washington?

In Washington, snow does not fall in April through November.

How many hours of daylight does Washington have in October?

In October, the average day length in Washington, District of Columbia, is 11h and 10min.

When are sunrise and sunset in October in Washington?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:09 pm EDT.

How many hours of sunshine does Washington have in October?

In Washington, District of Columbia, the average sunshine duration in October is 5.7h.

What is the UV index intensity in October in Washington?

In Washington, District of Columbia, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
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

Average temperature in October
Washington, DC

Average temperature in October - Washington, DC
  • Average high temperature in October: 66.9°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in October: 51.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in October
Washington, DC

Average pressure in October - Washington, DC
  • 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
Washington, DC

Average wind speed in October - Washington, DC
  • Average wind speed in October: 6.8mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in October
Washington, DC

Average humidity in October - Washington, DC
  • Average humidity in October: 75%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in October
Washington, DC

Average rainfall in October - Washington, DC
  • Average rainfall in October: 2.01"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in October
Washington, DC

Average rainfall days in October - Washington, DC
  • Average rainfall days in October: 10.4 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in October
Washington, DC

Average snowfall in October - Washington, DC
  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in October
Washington, DC

Average snowfall days in October - Washington, DC
  • Average snowfall days in October: 0 days

The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Washington, DC

Average daylight in October / Average sunshine in October - Washington, DC
  • 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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in October
Washington, DC

Average sunshine days in October - Washington, DC
  • Average sunshine days in October: 19.3 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in October
Washington, DC

Average UV index in October - Washington, DC
  • Average UV index in October: 4

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in October
Washington, DC

Average cloud cover in October - Washington, DC
  • Average cloud cover in October: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in October
Washington, DC

Average visibility in October - Washington, DC
  • 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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Washington, District of Columbia, USA

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