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

As October begins in Washington, District of Columbia, there is a decrease in the average high-temperature, falling from a moderately hot 78.4°F (25.8°C) in September to an enjoyable 66.9°F (19.4°C). Washington observes an average nighttime low-temperature of 51.3°F (10.7°C) during the month of October.

Humidity

The average relative humidity in October is 75%.

Rainfall

In Washington, in October, during 10.4 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Washington, there are 149.1 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Washington, 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 6:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:08 pm EDT.

Sunshine

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

UV index

In Washington, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, an average UV index of 4 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are the temperatures in Washington in October?

The high-temperature, in October, in Washington, records 66.9°F (19.4°C), while the low-temperature is 51.3°F (10.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 95°F (35°C).

What is the average humidity in October in Washington?

In Washington, District of Columbia, the average relative humidity in October is 75%.

How many days does it rain in October in Washington?

In Washington, District of Columbia, in October, it is raining for 10.4 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Washington?

April through November are months without snowfall.

How many hours of daylight does Washington have in October?

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

When are sunrise and sunset in October in Washington?

On the first day of October in Washington, District of Columbia, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:08 pm EDT.

How many hours of sunshine does Washington have in October?

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

How high is the UV index in October in Washington?

In October, the average daily maximum UV index in Washington, District of Columbia, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
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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