October weather forecast
Sterling, VA

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Weather in October

October brings in the full-fledged charming autumn season in Sterling, Virginia. Departing from the warmer September weather, October provides a beautiful blend of pleasant temperatures, picturesque landscapes, and crisp autumn breeze. The fall colors in the city attain their full vibrancy, enhancing the aesthetic appeal of the region profoundly. Outdoor activities such as hiking, picnicking, or merely admiring the changing colors become popular. October marks a soothing change from the persistent summer heat, being both visually appealing and comfortably cool.

Temperature

As September transitions to October, the average high-temperature in Sterling falls from a warm 78.3°F (25.7°C) to a comfortable 66°F (18.9°C). In Sterling, October is marked by an average low-temperature of 49.1°F (9.5°C).

Humidity

In October, the average relative humidity in Sterling is 77%.

Rainfall

In Sterling, in October, it is raining for 12 days, with typically 2.52" (64mm) of accumulated precipitation. In Sterling, during the entire year, the rain falls for 158.1 days and collects up to 31.46" (799mm) of precipitation.

Snowfall

In Sterling, snow does not fall in May through October.

Daylight

In October, the average length of the day is 11h and 10min.
On the first day of October, sunrise is at 7:06 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:09 pm EDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In October, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The average high-temperature and low-temperature during October are 66°F (18.9°C) and 49.1°F (9.5°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 95°F (35°C).

What is the average humidity in October?

In Sterling, the average relative humidity in October is 77%.

How much does it rain in October?

In Sterling, Virginia, in October, during 12 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in October?

In Sterling, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Sterling have in October?

The average day length in October is 11h and 10min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:06 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:09 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration is 5.5h.

What is the UV index intensity in October?

In Sterling, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
Sterling, VA

Average temperature in October - Sterling, VA
  • Average high temperature in October: 66°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in October
Sterling, VA

Average pressure in October - Sterling, VA
  • 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).

Average wind speed in October
Sterling, VA

Average wind speed in October - Sterling, VA
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in October
Sterling, VA

Average humidity in October - Sterling, VA
  • Average humidity in October: 77%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (70%).

Average rainfall in October
Sterling, VA

Average rainfall in October - Sterling, VA
  • Average rainfall in October: 2.52"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in October
Sterling, VA

Average rainfall days in October - Sterling, VA
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in October
Sterling, VA

Average snowfall in October - Sterling, VA
  • Average snowfall in October: 0"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Sterling, VA

Average snowfall days in October - Sterling, VA
  • Average snowfall days in October: 0 days

The months with the highest number of snowfall days are January and February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Sterling, VA

Average daylight in October / Average sunshine in October - Sterling, VA
  • 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 3min

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 0min).

Average sunshine days in October
Sterling, VA

Average sunshine days in October - Sterling, VA
  • Average sunshine days in October: 17.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in October
Sterling, VA

Average UV index in October - Sterling, VA
  • Average UV index in October: 3

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 cloud cover in October
Sterling, VA

Average cloud cover in October - Sterling, VA
  • Average cloud cover in October: 40

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in October
Sterling, VA

Average visibility in October - Sterling, VA
  • 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).

Sterling, Virginia, USA

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