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 another mild autumn month, with average temperature ranging between min 40.5°F (4.7°C) and max 60.3°F (15.7°C).

Temperature

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

Humidity

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

Rainfall

In Olympia, during 14.2 rainfall days, 4.6" (116.8mm) of precipitation is typically accumulated. Throughout the year, in Olympia, there are 162.8 rainfall days, and 50" (1270mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

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

UV index

In Olympia, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
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. 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.

What is the temperature in October in Olympia?

The average high-temperature, in October, in Olympia, 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 October, the average relative humidity is 85.1%.

How much does it rain in Olympia in October?

In Olympia, in October, during 14.2 rainfall days, 4.6" (116.8mm) of precipitation is typically accumulated.

Does it snow in Olympia in October?

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

When it does not snow in Olympia?

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

How many hours of daylight does Olympia have in October?

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

How many hours of sunshine does Olympia have in October?

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

How high is the UV index in October in Olympia?

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Olympia, WA
  • Average high temperature in October: 15.7°C

The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is December (6.8°C).

  • Average low temperature in October: 4.7°C

The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is December (0.3°C).

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: 116.8mm

The wettest month (with the highest rainfall) is November (219.2mm).
The driest month (with the lowest rainfall) is July (16mm).

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: 0mm

The month with the highest snowfall is February (119.4mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

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).