Olympia
Washington, USA
Long-term weather forecast
Long-term weather forecast

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 a moderate autumn month, with average temperature fluctuating between 40.5°F (4.7°C) and 60.3°F (15.7°C).

Temperature

In October, the average high-temperature decreases, from an agreeable 71.8°F (22.1°C) in September, to a moderate 60.3°F (15.7°C). In October, the average low-temperature is 40.5°F (4.7°C).

Humidity

The average relative humidity in Olympia, Washington, is 85.1%.

Rainfall

In Olympia, during October, the rain falls for 14.2 days and regularly aggregates up to 4.6" (116.8mm) of precipitation. In Olympia, Washington, during the entire year, the rain falls for 162.8 days and collects up to 50" (1270mm) of precipitation.

Snowfall

In Olympia, it doesn't snow. In November, it regularly snows. In Olympia, during the entire year, snow aggregates up to 10.8" (274.4mm).

Daylight

In October, the average length of the day is 10.9h.

Sunshine

The average sunshine in October is 5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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?

The average high-temperature, in October, is 60.3°F (15.7°C), while the average low-temperature is 40.5°F (4.7°C).

What is the average humidity in October in Olympia?

In Olympia, Washington, the average relative humidity in October is 85.1%.

How much does it rain in Olympia in October?

In October, in Olympia, Washington, the rain falls for 14.2 days. Throughout October, 4.6" (116.8mm) of precipitation is accumulated.

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?

In October, the average length of the day in Olympia is 10.9h.

How long on average sun shines in October in Olympia?

In October, the average sunshine in Olympia, Washington, is 5h.

How high is the UV index in October in Olympia?

In October, the average daily maximum UV index in Olympia is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in October - Olympia, WA
  • Average high temperature in October: 60.2°F

The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in October: 40.5°F

The month with the highest average low temperature is July (50.8°F).
The coldest month (with the lowest average low temperature) is December (32.6°F).

Average humidity in October - Olympia, WA
  • Average humidity in October: 85.1%

The month with the highest relative humidity is December (89.1%).
The month with the lowest relative humidity is July (70.8%).

Average rainfall in October - Olympia, WA
  • Average rainfall in October: 4.6"

The wettest month (with the highest rainfall) is November (8.6").
The driest month (with the lowest rainfall) is July (0.6").

Average rainfall days in October - Olympia, WA
  • Average rainfall days in October: 14.2 days

The month with the highest number of rainy days is November (20.1 days).
The month with the lowest number of rainy days is July (4.6 days).

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

The month with the highest snowfall is February (4.7").
Months with the lowest 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 (2.2 days).
Months with the lowest number of 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: 10.9h

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

  • Average sunshine in October: 5h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 2).

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).