October weather forecast
Washington, PA

Weather in October

October, the same as September, is another comfortable autumn month in Washington, Pennsylvania, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 45°F (7.2°C).

Temperature

In Washington, the average high-temperature decreases, from a moderately hot 75.7°F (24.3°C) in September, to an enjoyable 62.4°F (16.9°C). In October, the average low-temperature is 45°F (7.2°C).

Humidity

In Washington, the average relative humidity is 80%.

Rainfall

In October, in Washington, Pennsylvania, the rain falls for 11.1 days. Throughout October, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Washington, there are 143 rainfall days, and 14.8" (376mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Washington, during the entire year, snow falls for 33.5 days, and aggregates up to 4.88" (124mm) of snow.

Daylight

In Washington, the average length of the day in October is 11.1h.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in October in Washington?

In October, the average relative humidity in Washington, Pennsylvania, is 80%.

How much does it rain in Washington in October?

In Washington, during October, the rain falls for 11.1 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When does it start snowing in Washington?

October is the first month it typically snows in Washington, Pennsylvania. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Washington have in October?

In Washington, Pennsylvania, the average length of the day in October is 11.1h.

How long on average sun shines in October in Washington?

The average sunshine in October is 5.4h.

What is the UV index intensity in October in Washington?

In October, the average daily maximum UV index in Washington, Pennsylvania, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in October
Washington, PA

Average temperature in October - Washington, PA
  • Average high temperature in October: 16.9°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (0.9°C).

  • Average low temperature in October: 7.2°C

The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

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Average pressure in October
Washington, PA

Average pressure in October - Washington, PA
  • Average pressure in October: 1017.2mbar

The month with the highest atmospheric pressure is November (1020.5mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).

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Average wind speed in October
Washington, PA

Average wind speed in October - Washington, PA
  • Average wind speed in October: 9.7km/h

The windiest month (with the highest average wind speed) is January (12.5km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

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Average humidity in October
Washington, PA

Average humidity in October - Washington, PA
  • Average humidity in October: 80%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in October
Washington, PA

Average rainfall in October - Washington, PA
  • Average rainfall in October: 27mm

The wettest month (with the highest rainfall) is July (42mm).
The driest months (with the least rainfall) are January and November (24mm).

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Average rainfall days in October
Washington, PA

Average rainfall days in October - Washington, PA
  • Average rainfall days in October: 11.1 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in October
Washington, PA

Average snowfall in October - Washington, PA
  • Average snowfall in October: 1mm

The month with the highest snowfall is February (32mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in October
Washington, PA

Average snowfall days in October - Washington, PA
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Washington, PA
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 5.4h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3h).

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Average sunshine days in October
Washington, PA

Average sunshine days in October - Washington, PA
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in October
Washington, PA

Average UV index in October - Washington, PA
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Washington, PA

Average cloud cover in October - Washington, PA
  • Average cloud cover in October: 46

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Washington, PA

Average visibility in October - Washington, PA
  • Average visibility in October: 8km

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

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