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

Monthly 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
January, like December, is a frosty winter month in Olympia, Washington, with temperature in the range of an average high of 45.9°F (7.7°C) and an average low of 33.6°F (0.9°C). In January, the average high-temperature is essentially the same as in December - a still frosty 45.9°F (7.7°C). Weather in January »
February, the last month of the winter, in Olympia, is another chilly month, with average temperature ranging between max 49.3°F (9.6°C) and min 32.7°F (0.4°C). In February, the average high-temperature is essentially the same as in January - a still frosty 49.3°F (9.6°C). Weather in February »

The first month of the spring, March, is a fresh month in Olympia, Washington, with average temperature ranging between min 35.1°F (1.7°C) and max 54°F (12.2°C). In Olympia, Washington, the average high-temperature is relatively the same as in February - a cool 54°F (12.2°C). Weather in March »

April in Olympia, Washington, is a mild spring month, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 58.8°F (14.9°C). In Olympia, the average high-temperature is practically the same as in March - a moderate 58.8°F (14.9°C). Weather in April »

May, the last month of the spring, in Olympia, is a comfortable month, with average temperature fluctuating between 43.2°F (6.2°C) and 65.3°F (18.5°C). In Olympia, the average high-temperature in May slightly increases, from a moderate 58.8°F (14.9°C) in April, to a comfortable 65.3°F (18.5°C). Weather in May »

The first month of the summer, June, is an agreeable month in Olympia, Washington, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 47.7°F (8.7°C). In June, the average high-temperature is almost the same as in May - an agreeable 70.5°F (21.4°C). Weather in June »

July is a moderately hot summer month in Olympia, Washington, with average temperature ranging between max 76.8°F (24.9°C) and min 50.7°F (10.4°C). In Olympia, the average high-temperature in July marginally rises, from an agreeable 70.5°F (21.4°C) in June, to a warm 76.8°F (24.9°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Olympia, Washington, with average temperature varying between 50.5°F (10.3°C) and 77.7°F (25.4°C). The warmest month 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). Weather in August »

September, the first month of the autumn, in Olympia, is still a pleasant month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 46°F (7.8°C). In Olympia, the average high-temperature slightly decreases, from a warm 77.7°F (25.4°C) in August, to a pleasant 71.8°F (22.1°C). Weather in September »

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). 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). Weather in October »

The last month of the autumn, November, is also a fresh month in Olympia, Washington, with average temperature ranging between min 36.3°F (2.4°C) and max 50.2°F (10.1°C). In Olympia, Washington, the average high-temperature decreases, from a moderate 60.3°F (15.7°C) in October, to a fresh 50.2°F (10.1°C). Weather in November »

The first month of the winter, December, is also a frosty month in Olympia, Washington, with average temperature ranging between max 44.2°F (6.8°C) and min 32.5°F (0.3°C). With an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 32.5°F (0.3°C), December is the coldest month. Weather in December »

How many days does it rain in Olympia?

Throughout the year, in Olympia, Washington, there are 162.8 rainfall days, and 50" (1270mm) of precipitation is accumulated.

When does it snow in Olympia?

January through March, November and December are months with snowfall in Olympia, Washington.

How much does it snow in Olympia?

Throughout the year, in Olympia, Washington, there are 6.3 snowfall days, and 10.8" (274.4mm) of snow is accumulated.

What is the month with the least sunshine in Olympia?

Months with the least sunshine in Olympia are January and December, with an average of 2h of sunshine.

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

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most in Olympia?

The month with the most snowfall in Olympia, Washington, is February when snow falls for 2.2 days and typically aggregates up to 4.7" (119.4mm) of snow.

When are the longest days in Olympia?

June has the longest days of the year, with an average of 15.8h of daylight.

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

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

What is the least humid month in Olympia?

With an average relative humidity of 70.8%, July is the least humid month in Olympia, Washington.

What is the driest month in Olympia?

July is the month with the least rainfall in Olympia. Rain falls for 4.6 days and accumulates 0.6" (16mm) of precipitation.

What month has the most sunshine in Olympia?

With an average of 10h of sunshine, July has the most sunshine of the year.

What is the warmest month in Olympia?

August is the warmest month in Olympia, 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 wettest month in Olympia?

November is the month with the most rainfall. Rain falls for 20.1 days and accumulates 8.6" (219.2mm) of precipitation.

What is the coldest month in Olympia?

The coldest month in Olympia, Washington, is December, with an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 32.5°F (0.3°C).

What is the most humid month in Olympia?

With an average relative humidity of 89.1%, December is the most humid month in Olympia.

What is the month with the shortest days in Olympia?

December has the shortest days of the year, with an average of 8.6h of daylight.
Average temperature - Olympia, WA
Average humidity - Olympia, WA
Average rainfall - Olympia, WA
Average rainfall days - Olympia, WA

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 - Olympia, WA

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 - Olympia, WA

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 / Average sunshine - Olympia, WA
Average UV index - Olympia, WA