August 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
The last month of the summer, August, is another warm month in Olympia, Washington, with average temperature ranging between max. 77.7°F (25.4°C) and min. 50.5°F (10.3°C).

Temperature

August is the warmest month, with an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 50.5°F (10.3°C).

Humidity

The average relative humidity in August is 72.1%.

Rainfall

In Olympia, during 4.9 rainfall days, 0.9" (23.9mm) of precipitation is typically accumulated. Throughout the year, there are 162.8 rainfall days, and 50" (1270mm) of precipitation is accumulated.

Snowfall

Throughout the year, 10.8" (274.4mm) of snow is accumulated.

Daylight

The average length of the day in Olympia is 14.2h.

Sunshine

In Olympia, Washington, the average sunshine in August is 9h.

UV index

June through August, with an average UV index of 7, are months with the highest UV index.

What is the warmest month in Olympia?

The warmest month in Olympia, Washington, is August, with an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 50.5°F (10.3°C).

What is the temperature in August in Olympia?

In Olympia, in August, the average high-temperature is 77.7°F (25.4°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in August in Olympia?

The average relative humidity in August in Olympia, Washington, is 72.1%.

How many days does it rain in August in Olympia?

In Olympia, Washington, in August, during 4.9 rainfall days, 0.9" (23.9mm) of precipitation is typically accumulated.

How many hours of daylight does Olympia have in August?

In August, the average length of the day in Olympia, Washington, is 14.2h.

How long on average sun shines in August in Olympia?

The average sunshine in August in Olympia, Washington, is 9h.

What are the months with the highest UV index in Olympia?

Months with the highest UV index in Olympia, Washington, are June through August, with an average UV index of 7.

How high is the UV index in August in Olympia?

In August, the average UV index in Olympia is 7.
Average temperature in August - Olympia, WA
  • Average high temperature in August: 77.7°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 August: 50.5°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 August - Olympia, WA
  • Average humidity in August: 72.1%

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 August - Olympia, WA
  • Average rainfall in August: 0.9"

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 August - Olympia, WA
  • Average rainfall days in August: 4.9 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 August - Olympia, WA
  • Average snowfall in August: 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 August - Olympia, WA
  • Average snowfall days in August: 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 August / Average sunshine in August - Olympia, WA
  • Average daylight in August: 14.2h

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 August: 9h

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 August - Olympia, WA
  • Average UV index in August: 7

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).

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