Climate and monthly weather forecast
Orcas, WA

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Weather in January

January, like December, is a frosty winter month in Orcas, Washington, with an average temperature varying between 41°F (5°C) and 45.3°F (7.4°C). January, February and December, when the average high-temperature reaches 45.3°F (7.4°C), are the coldest months. Weather in January »

Weather in February

February, the last month of the winter in Orcas, is another chilly month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 45.3°F (7.4°C). The temperature hits its lowest levels in January, February and December, recording an average high-temperature of 45.3°F (7.4°C). Weather in February »

Weather in March

March, the first month of the spring in Orcas, is also a frosty month, with an average temperature varying between 43°F (6.1°C) and 48.4°F (9.1°C). March is marked by an average high-temperature of a still chilly 48.4°F (9.1°C), almost identical to the preceding month. Weather in March »

Weather in April

April in Orcas, Washington, is a fresh spring month, with an average temperature varying between 46.2°F (7.9°C) and 52.2°F (11.2°C). Transitioning into April, Orcas experiences an average high-temperature of a cool 52.2°F (11.2°C), marking a minor shift from the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Orcas, Washington, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 57.7°F (14.3°C). As Orcas welcomes May, the average high-temperature displays a subtle shift, adjusting from a fresh 52.2°F (11.2°C) in April to a refreshing 57.7°F (14.3°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Orcas, Washington, with an average temperature ranging between min 54°F (12.2°C) and max 61.3°F (16.3°C). The transition into June reveals an average high-temperature of an enjoyable 61.3°F (16.3°C), mirroring a close resemblance to May. Weather in June »

Weather in July

July, like June, in Orcas, Washington, is another refreshing summer month, with an average temperature ranging between max 64.9°F (18.3°C) and min 57.2°F (14°C). July, with an average high of 64.9°F (18.3°C) and a low of 57.2°F (14°C), signifies the warmest month of the year. Weather in July »

Weather in August

The last month of the summer, August, is another refreshing month in Orcas, Washington, with an average temperature fluctuating between 64.4°F (18°C) and 57.7°F (14.3°C). A minor adjustment in Orcas's average high-temperature is noted with the start of August, touching a still enjoyable 64.4°F (18°C) from July's 64.9°F (18.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Orcas, Washington, with an average temperature varying between 55.6°F (13.1°C) and 61.3°F (16.3°C). The ushering in of September brings an average high-temperature of a still enjoyable 61.3°F (16.3°C), closely mirroring the 64.4°F (18°C) of August. Weather in September »

Weather in October

October, the same as September, in Orcas, Washington, is another refreshing autumn month, with an average temperature fluctuating between 55.4°F (13°C) and 50.9°F (10.5°C). The arrival of October corresponds with a minor reduction in the average high-temperature, down from September's comfortable 61.3°F (16.3°C) to a mild 55.4°F (13°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Orcas, Washington, with an average temperature ranging between min 45.5°F (7.5°C) and max 50.2°F (10.1°C). Orcas experiences a transition to a cool 50.2°F (10.1°C) in average high-temperatures with the arrival of November, not greatly differing from October's 55.4°F (13°C). Weather in November »

Weather in December

December, the first month of the winter in Orcas, is also a frosty month, with an average temperature ranging between min 40.6°F (4.8°C) and max 45.3°F (7.4°C). The coldest period falls in January, February and December, when the average high-temperature reaches 45.3°F (7.4°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Orcas?

Orcas experiences lowest temperatures, averaging a high-temperature of 45.3°F (7.4°C) during January, February and December.

What is the most humid month in Orcas?

January, August and September, with an average relative humidity of 79%, are most humid months in Orcas.

How much does it rain in Orcas?

Throughout the year, in Orcas, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

When does it snow in Orcas?

Months with snowfall in Orcas, Washington, are January through March, November and December.

How many days does it snow in Orcas?

Throughout the year, there are 6.9 snowfall days, and 3.43" (87mm) of snow is accumulated.

What is the month with the lowest UV index in Orcas?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the snowiest month in Orcas?

The month with the most snowfall is February, when snow falls for 2.7 days and typically aggregates up to 1.77" (45mm) of snow.

When is Daylight Saving Time (DST) in Orcas?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Orcas, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the least humid month in Orcas?

With an average relative humidity of 76%, April is the least humid month.

When it does not snow in Orcas?

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

When are the longest days in Orcas?

June has the longest days of the year in Orcas, Washington, with an average of 16h and 6min of daylight.

What are the warmest months in Orcas?

July, known for its average high temperature of 64.9°F (18.3°C) and an average low temperature of 57.2°F (14°C), is the warmest month in Orcas.

What is the driest month in Orcas?

The month with the least rainfall in Orcas, Washington, is July, when the rain falls for 6.1 days and typically collects 0.43" (11mm) of precipitation.

What month has the most sunshine in Orcas?

The month with the most sunshine in Orcas, Washington, is July, with an average of 11.1h of sunshine.

What is the month with the highest UV index in Orcas?

The month with the highest UV index in Orcas is July, with an average maximum UV index of 5.

What is the wettest month in Orcas?

November is the month with the most rainfall. Rain falls for 19.1 days and accumulates 3.43" (87mm) of precipitation.

What is the month with the shortest days in Orcas?

December has the shortest days of the year in Orcas, with an average of 8h and 24min of daylight.

What is the month with the least sunshine in Orcas?

With an average of 4.1h of sunshine, December has the least sunshine of the year.

Average temperature
Orcas, WA

Average temperature - Orcas, WA

The warmest month (with the highest average high temperature) is July (64.9°F).
The months with the lowest average high temperature are January, February and December (45.3°F).

The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).

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Average pressure
Orcas, WA

Average pressure - Orcas, WA

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed
Orcas, WA

Average wind speed - Orcas, WA

The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity
Orcas, WA

Average humidity - Orcas, WA

The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).

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Average rainfall
Orcas, WA

Average rainfall - Orcas, WA

The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days
Orcas, WA

Average rainfall days - Orcas, WA

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).

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Average snowfall
Orcas, WA

Average snowfall - Orcas, WA

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Orcas, WA

Average snowfall days - Orcas, WA

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Orcas, WA

Average daylight / Average sunshine - Orcas, WA

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days
Orcas, WA

Average sunshine days - Orcas, WA

The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).

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Average visibility
Orcas, WA

Average visibility - Orcas, WA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Orcas, Washington, USA

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