October weather forecast
Olympia, WA

The calm Capitol Lake overlooking the Washington State Capitol building in Olympia, Washington
The calm Capitol Lake overlooking the Washington State Capitol building in Olympia, Washington

Weather in October

October, like September, is another mild autumn month in Olympia, Washington, with an average temperature fluctuating between 58.6°F (14.8°C) and 42.3°F (5.7°C).

Temperature

In Olympia, the average high-temperature in October drops from a pleasant 70.5°F (21.4°C) in September to a mild 58.6°F (14.8°C). In October, the average low-temperature is 42.3°F (5.7°C).

Humidity

The average relative humidity in October is 84%.

Rainfall

In October, in Olympia, the rain falls for 15.9 days. Throughout October, 4.65" (118mm) of precipitation is accumulated. Throughout the year, there are 177.4 rainfall days, and 37.05" (941mm) of precipitation is accumulated.

Snowfall

In Olympia, Washington, snow does not fall in April through October.

Daylight

In Olympia, the average length of the day in October is 10h and 52min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:51 pm. On the last day of October, sunrise is at 7:53 am and sunset at 5:57 pm PDT.

Sunshine

In Olympia, the average sunshine in October is 4.8h.

UV index

In Olympia, Washington, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the average humidity in October in Olympia?

In Olympia, the average relative humidity in October is 84%.

How much does it rain in Olympia in October?

In Olympia, in October, during 15.9 rainfall days, 4.65" (118mm) of precipitation is typically accumulated.

When it does not snow in Olympia?

April through October are months without snowfall.

Does it snow in Olympia in October?

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

How many hours of daylight does Olympia have in October?

The average day length in October in Olympia is 10h and 52min.

When are sunrise and sunset in October in Olympia?

On the first day of October, sunrise is at 7:10 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:57 pm PDT.

How long on average sun shines in October in Olympia?

The average sunshine duration in October is 4.8h.

What is the UV index reading in October in Olympia?

In October, the average daily maximum UV index in Olympia is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Olympia, WA

Average temperature in October - Olympia, WA
  • Average high temperature in October: 58.6°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in October: 42.3°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

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Average pressure in October
Olympia, WA

Average pressure in October - Olympia, WA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in October
Olympia, WA

Average wind speed in October - Olympia, WA
  • Average wind speed in October: 3.9mph

The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

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Average humidity in October
Olympia, WA

Average humidity in October - Olympia, WA
  • Average humidity in October: 84%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in October
Olympia, WA

Average rainfall in October - Olympia, WA
  • Average rainfall in October: 4.65"

The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in October
Olympia, WA

Average rainfall days in October - Olympia, WA
  • Average rainfall days in October: 15.9 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).

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Average snowfall in October
Olympia, WA

Average snowfall in October - Olympia, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Olympia, WA

Average snowfall days in October - Olympia, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (3.3 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
Olympia, WA

Average daylight in October / Average sunshine in October - Olympia, WA
  • Average daylight in October: 10h and 52min

The month with the longest days is June (Average daylight: 15h and 50min).
The month with the shortest days is December (Average daylight: 8h and 35min).

  • Average sunshine in October: 4h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in October
Olympia, WA

Average sunshine days in October - Olympia, WA
  • Average sunshine days in October: 13.8 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in October
Olympia, WA

Average UV index in October - Olympia, WA
  • Average UV index in October: 3

The months with the highest UV index are June and July (UV index 5).
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
Olympia, WA

Average cloud cover in October - Olympia, WA
  • Average cloud cover in October: 53

The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in October
Olympia, WA

Average visibility in October - Olympia, WA
  • Average visibility in October: 4mi

The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).

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