October weather forecast and climate
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
October, the same as September, in Olympia, Washington, is another mild autumn month, with average temperature fluctuating between 42.3°F (5.7°C) and 58.6°F (14.8°C).

Temperature

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

Humidity

The average relative humidity in October is 84%.

Rainfall

In Olympia, during 15.9 rainfall days, 4.65" (118mm) of precipitation is typically accumulated. In Olympia, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.

Snowfall

April through October are months without snowfall in Olympia.

Daylight

In Olympia, the average length of the day is 10.8h.

Sunshine

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

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 3 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in October in Olympia?

In Olympia, in October, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in October in Olympia?

The average relative humidity in October is 84%.

How much does it rain in Olympia in October?

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

Does it snow in Olympia in October?

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

When it does not snow in Olympia?

April through October are months without snowfall.

How many hours of daylight does Olympia have in October?

The average length of the day in October in Olympia is 10.8h.

How long on average sun shines in October in Olympia?

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

What is the UV index intensity in October in Olympia?

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
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).

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

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

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).

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

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

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").

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).

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

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

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October / Average sunshine in October - Olympia, WA
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in October: 4.8h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 3.4h).

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).

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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

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

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

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