October weather forecast
Manassas, VA

Weather in October

October, the same as September, is another enjoyable autumn month in Manassas, Virginia, with average temperature fluctuating between 49.1°F (9.5°C) and 67.1°F (19.5°C).

Temperature

In Manassas, the average high-temperature drops, from a warm 79°F (26.1°C) in September, to an enjoyable 67.1°F (19.5°C). In October, the average low-temperature is 49.1°F (9.5°C).

Humidity

The average relative humidity in October is 77%.

Rainfall

In Manassas, during 11.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

In Manassas snow does not fall in May through October.

Daylight

In October, the average length of the day in Manassas is 11.2h.

Sunshine

The average sunshine in Manassas is 5.6h.

UV index

The average daily maximum UV index in Manassas is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in October in Manassas?

The average relative humidity in October is 77%.

How many days does it rain in October in Manassas?

In Manassas, Virginia, during October, the rain falls for 11.8 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Manassas?

In Manassas, Virginia, snow does not fall in May through October.

Does it snow in Manassas in October?

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

What is the average length of the day in October in Manassas?

In October, the average length of the day in Manassas, Virginia, is 11.2h.

How many hours of sunshine does Manassas have in October?

The average sunshine in October in Manassas, Virginia, is 5.6h.

What is the UV index intensity in October in Manassas?

The average daily maximum UV index in October in Manassas, Virginia, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in October
Manassas, VA

Average temperature in October - Manassas, VA
  • Average high temperature in October: 19.5°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in October: 9.5°C

The month with the highest average low temperature is July (19.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

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Average pressure in October
Manassas, VA

Average pressure in October - Manassas, VA
  • Average pressure in October: 1017.3mbar

The month with the highest atmospheric pressure is November (1020.7mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).

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Average wind speed in October
Manassas, VA

Average wind speed in October - Manassas, VA
  • Average wind speed in October: 9.5km/h

The windiest months (with the highest average wind speed) are March and April (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

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Average humidity in October
Manassas, VA

Average humidity in October - Manassas, 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 (72%).

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Average rainfall in October
Manassas, VA

Average rainfall in October - Manassas, VA
  • Average rainfall in October: 63mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is September (49mm).

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Average rainfall days in October
Manassas, VA

Average rainfall days in October - Manassas, VA
  • Average rainfall days in October: 11.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in October
Manassas, VA

Average snowfall in October - Manassas, VA
  • Average snowfall in October: 0mm

The month with the highest snowfall is January (94mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in October
Manassas, VA

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

The month with the highest number of snowfall days is February (5.2 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
Manassas, VA

Average daylight in October / Average sunshine in October - Manassas, VA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 5.6h

The month with the most sunshine is July (Average sunshine: 10.7h).
The months with the least sunshine are January, February and December (Average sunshine: 5.2).

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Average sunshine days in October
Manassas, VA

Average sunshine days in October - Manassas, VA
  • Average sunshine days in October: 17.7 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).

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Average UV index in October
Manassas, VA

Average UV index in October - Manassas, VA
  • 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
Manassas, VA

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

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
Manassas, VA

Average visibility in October - Manassas, VA
  • Average visibility in October: 8km

The months with the highest visibility are January, February, March, April, June, July, August and November (9km).
The months with the lowest visibility are May, September, October and December (8km).

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