Climate and monthly weather forecast
Sappho, WA

Weather in January

January is a chilly winter month in Sappho, Washington, with average temperature ranging between min 37°F (2.8°C) and max 44.1°F (6.7°C). In Sappho, the average high-temperature is practically the same as in December - a chilly 44.1°F (6.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Sappho, Washington, with average temperature fluctuating between 36°F (2.2°C) and 43.3°F (6.3°C). In February, the average high-temperature is almost the same as in January - a still chilly 43.3°F (6.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Sappho, is still a chilly month, with average temperature ranging between min 37.4°F (3°C) and max 46.2°F (7.9°C). In March, the average high-temperature is essentially the same as in February - a still frosty 46.2°F (7.9°C). Weather in March »

Weather in April

April in Sappho, Washington, is a fresh spring month, with average temperature ranging between max 50.5°F (10.3°C) and min 39.7°F (4.3°C). In April, the average high-temperature is almost the same as in March - a cool 50.5°F (10.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Sappho, Washington, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 43.3°F (6.3°C). In May, the average high-temperature slightly increases, from a cool 50.5°F (10.3°C) in April, to a mild 57.9°F (14.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Sappho, Washington, with average temperature ranging between max 61.3°F (16.3°C) and min 46.8°F (8.2°C). In June, the average high-temperature is practically the same as in May - a comfortable 61.3°F (16.3°C). Weather in June »

Weather in July

July, the same as June, is another enjoyable summer month in Sappho, Washington, with average temperature ranging between min 49.6°F (9.8°C) and max 66.7°F (19.3°C). In Sappho, the average high-temperature slightly increases, from a comfortable 61.3°F (16.3°C) in June, to a still enjoyable 66.7°F (19.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Sappho, Washington, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 50.7°F (10.4°C). August is the warmest month, with an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 50.7°F (10.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Sappho, is still a comfortable month, with average temperature varying between 63°F (17.2°C) and 49.5°F (9.7°C). In September, the average high-temperature is almost the same as in August - a still enjoyable 63°F (17.2°C). Weather in September »

Weather in October

October, like September, in Sappho, Washington, is another fresh autumn month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 55°F (12.8°C). In October, the average high-temperature slightly decreases, from an enjoyable 63°F (17.2°C) in September, to a fresh 55°F (12.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Sappho, Washington, with average temperature ranging between max 47.3°F (8.5°C) and min 40.3°F (4.6°C). In November, the average high-temperature marginally drops, from a fresh 55°F (12.8°C) in October, to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Sappho, Washington, with average temperature ranging between max 42.4°F (5.8°C) and min 36.3°F (2.4°C). With an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 36.3°F (2.4°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Sappho?

January and December, with an average relative humidity of 87%, are most humid months.

What is the wettest month in Sappho?

The month with the most rainfall in Sappho, Washington, is January when the rain falls for 15.6 days and typically aggregates up to 3.66" (93mm) of precipitation.

How much does it rain in Sappho?

In Sappho, during the entire year, the rain falls for 142.6 days and collects up to 19.61" (498mm) of precipitation.

When does it snow in Sappho?

Months with snowfall in Sappho, Washington, are January through April, September and December.

What is the snowiest month in Sappho?

The month with the most snowfall in Sappho is January when snow falls for 1 days and typically aggregates up to 1.14" (29mm) of snow.

How much does it snow in Sappho?

In Sappho, during the entire year, snow falls for 5.1 days, and aggregates up to 2.17" (55mm) of snow.

What is the month with the least sunshine in Sappho?

The month with the least sunshine in Sappho, Washington, is January, with an average of 3.7h of sunshine.

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

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

What is the least humid month in Sappho?

May, July and August, with an average relative humidity of 80%, are the least humid months in Sappho.

When it does not snow in Sappho?

In Sappho, Washington, snow does not fall in May through August, October and November.

When are the longest days in Sappho?

With an average of 16h of daylight, June has the longest days of the year.

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

Months with the highest UV index in Sappho, Washington, are June through August, with an average maximum UV index of 4.

What is the driest month in Sappho?

July is the month with the least rainfall in Sappho, Washington. Rain falls for 5.3 days and accumulates 0.28" (7mm) of precipitation.

What are the months with the most sunshine in Sappho?

July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Sappho.

What is the warmest month in Sappho?

The warmest month in Sappho is August, with an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 50.7°F (10.4°C).

What is the coldest month in Sappho?

December is the coldest month in Sappho, with an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 36.3°F (2.4°C).

What is the month with the shortest days in Sappho?

The month with the shortest days in Sappho is December, with an average of 8.5h of daylight.

Average temperature
Sappho, WA

Average temperature - Sappho, WA

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (42.4°F).

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).

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Average pressure
Sappho, WA

Average pressure - Sappho, WA

The month with the highest atmospheric pressure is July (30.07").
The month with the lowest atmospheric pressure is March (29.98").

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Average wind speed
Sappho, WA

Average wind speed - Sappho, WA

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity
Sappho, WA

Average humidity - Sappho, WA

Months with the highest relative humidity are January and December (87%).
Months with the lowest relative humidity are May, July and August (80%).

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Average rainfall
Sappho, WA

Average rainfall - Sappho, WA

The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days
Sappho, WA

Average rainfall days - Sappho, WA

The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).

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Average snowfall
Sappho, WA

Average snowfall - Sappho, WA

The month with the highest snowfall is January (1.14").
Months with the least snowfall are May, June, July, August, October and November (0").

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Average snowfall days
Sappho, WA

Average snowfall days - Sappho, WA

The month with the highest number of snowfall days is February (1.9 days).
Months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight / Average sunshine
Sappho, WA

Average daylight / Average sunshine - Sappho, WA

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days
Sappho, WA

Average sunshine days - Sappho, WA

The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).

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Average UV index
Sappho, WA

Average UV index - Sappho, WA

Months with the highest UV index are June, July and August (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Sappho, WA

Average visibility - Sappho, WA

Months with the highest visibility are February, March, April, October, November and December (6mi).
Months with the lowest visibility are January, May, June, July, August and September (5mi).

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