Climate and monthly weather forecast
Graham, WA

Weather in January

January, the same as December, in Graham, Washington, is another chilly winter month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 44.6°F (7°C). In Graham, the average high-temperature in January is almost the same as in December - a still chilly 44.6°F (7°C). Weather in January »

Weather in February

February, the last month of the winter in Graham, is also a frosty month, with an average temperature ranging between min 33.3°F (0.7°C) and max 45.3°F (7.4°C). In February, the average high-temperature is essentially the same as in January - a still frosty 45.3°F (7.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Graham, Washington, with an average temperature fluctuating between 35.2°F (1.8°C) and 50.4°F (10.2°C). In Graham, the average high-temperature in March is almost the same as in February - a cool 50.4°F (10.2°C). Weather in March »

Weather in April

April is a mild spring month in Graham, Washington, with an average temperature ranging between max 55.9°F (13.3°C) and min 38.3°F (3.5°C). In April, the average high-temperature marginally rises from a fresh 50.4°F (10.2°C) in March to a mild 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring in Graham, is a comfortable month, with an average temperature ranging between max 64°F (17.8°C) and min 42.8°F (6°C). In May, the average high-temperature slightly increases from a mild 55.9°F (13.3°C) in April to an enjoyable 64°F (17.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Graham, Washington, with an average temperature varying between 45.5°F (7.5°C) and 69.3°F (20.7°C). In Graham, the average high-temperature in June is relatively the same as in May - a pleasant 69.3°F (20.7°C). Weather in June »

Weather in July

July in Graham, Washington, is a warm summer month, with an average temperature varying between 49.8°F (9.9°C) and 76.6°F (24.8°C). In Graham, Washington, the average high-temperature in July marginally rises from a pleasant 69.3°F (20.7°C) in June to a warm 76.6°F (24.8°C). Weather in July »

Weather in August

August, the last month of the summer in Graham, is also a moderately hot month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 77.2°F (25.1°C). The warmest month is August, with an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 51.3°F (10.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Graham, Washington, with an average temperature ranging between max 69.8°F (21°C) and min 48°F (8.9°C). In Graham, the average high-temperature in September slightly decreases from a warm 77.2°F (25.1°C) in August to a pleasant 69.8°F (21°C). Weather in September »

Weather in October

October, the same as September, in Graham, Washington, is another mild autumn month, with an average temperature ranging between max 58.5°F (14.7°C) and min 42.6°F (5.9°C). In Graham, the average high-temperature in October decreases from a pleasant 69.8°F (21°C) in September to a moderate 58.5°F (14.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Graham, Washington, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 37.9°F (3.3°C). In November, the average high-temperature decreases from a moderate 58.5°F (14.7°C) in October to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Graham, Washington, with an average temperature fluctuating between 32.9°F (0.5°C) and 42.8°F (6°C). The coldest month is December, with an average high-temperature of 42.8°F (6°C) and an average low-temperature of 32.9°F (0.5°C). Weather in December »
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FAQ

What is the most humid month in Graham?

The months with the highest humidity in Graham, Washington, are January and December, with an average relative humidity of 87%.

How much does it rain in Graham?

Throughout the year, in Graham, Washington, there are 172.9 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

When does it snow in Graham?

Months with snowfall are January through April, November and December.

How much does it snow in Graham?

Throughout the year, there are 10.3 snowfall days, and 5.94" (151mm) of snow is accumulated.

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

The months with the lowest UV index in Graham, Washington, are January, February, October through December, with an average maximum UV index of 2.

When does it snow the most in Graham?

February is the month with the most snowfall in Graham, Washington. Snow falls for 4.1 days and accumulates 2.44" (62mm) of snow.

When is Daylight Saving Time (DST) in Graham?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Graham, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Graham?

May through October are months without snowfall.

When are the longest days in Graham?

The month with the longest days in Graham, Washington, is June, with an average of 15h and 50min of daylight.

What is the least humid month in Graham?

July is the least humid month, with an average relative humidity of 70%.

What is the driest month in Graham?

The month with the least rainfall in Graham, Washington, is July, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

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

With an average maximum UV index of 5, July is the month with the highest UV index.

What is the warmest month in Graham?

The warmest month is August, with an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 51.3°F (10.7°C).

What month has the most sunshine in Graham?

With an average of 10.7h of sunshine, August has the most sunshine of the year in Graham, Washington.

What is the coldest month in Graham?

The coldest month is December, with an average high-temperature of 42.8°F (6°C) and an average low-temperature of 32.9°F (0.5°C).

What is the rainiest month in Graham?

The month with the most rainfall in Graham, Washington, is December, when the rain falls for 18.4 days and typically aggregates up to 4.92" (125mm) of precipitation.

What is the month with the shortest days in Graham?

The month with the shortest days in Graham is December, with an average of 8h and 35min of daylight.

What is the month with the least sunshine in Graham?

The month with the least sunshine in Graham, Washington, is December, with an average of 4.1h of sunshine.

Average temperature
Graham, WA

Average temperature - Graham, WA

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).

The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

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Average pressure
Graham, WA

Average pressure - Graham, WA

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed
Graham, WA

Average wind speed - Graham, WA

The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity
Graham, WA

Average humidity - Graham, WA

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).

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Average rainfall
Graham, WA

Average rainfall - Graham, WA

The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days
Graham, WA

Average rainfall days - Graham, WA

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall
Graham, WA

Average snowfall - Graham, WA

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Graham, WA

Average snowfall days - Graham, WA

The month with the highest number of snowfall days is February (4.1 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
Graham, WA

Average daylight / Average sunshine - Graham, WA

The month with the longest days is June (Average daylight: 15h and 50min).
The month with the shortest days is December (Average daylight: 8h and 35min).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days
Graham, WA

Average sunshine days - Graham, WA

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).

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Average UV index
Graham, WA

Average UV index - Graham, WA

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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