Climate and monthly weather forecast
Bonney Lake, WA

Weather in January

January is a chilly winter month in Bonney Lake, Washington, with an average temperature fluctuating between 33.1°F (0.6°C) and 43.3°F (6.3°C). In January, the average high-temperature is almost the same as in December - a chilly 43.3°F (6.3°C). Weather in January »

Weather in February

February, the last month of the winter in Bonney Lake, is another chilly month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 32.5°F (0.3°C). In Bonney Lake, the average high-temperature in February is relatively the same as in January - a still frosty 43.7°F (6.5°C). Weather in February »

Weather in March

March, the first month of the spring in Bonney Lake, is also a frosty month, with an average temperature fluctuating between 48.6°F (9.2°C) and 34.5°F (1.4°C). In March, the average high-temperature is essentially the same as in February - a still chilly 48.6°F (9.2°C). Weather in March »

Weather in April

April is a cool spring month in Bonney Lake, Washington, with an average temperature varying between 54°F (12.2°C) and 37.2°F (2.9°C). In Bonney Lake, the average high-temperature in April slightly increases from a frosty 48.6°F (9.2°C) in March to a fresh 54°F (12.2°C). Weather in April »

Weather in May

May, the last month of the spring in Bonney Lake, is an enjoyable month, with an average temperature ranging between min 41.5°F (5.3°C) and max 62.6°F (17°C). In May, the average high-temperature slightly increases from a fresh 54°F (12.2°C) in April to an enjoyable 62.6°F (17°C). Weather in May »

Weather in June

June, the first month of the summer in Bonney Lake, is still a comfortable month, with an average temperature ranging between min 45.1°F (7.3°C) and max 67.3°F (19.6°C). In June, the average high-temperature is essentially the same as in May - a still enjoyable 67.3°F (19.6°C). Weather in June »

Weather in July

July is a moderately hot summer month in Bonney Lake, Washington, with an average temperature varying between 74.8°F (23.8°C) and 49.6°F (9.8°C). In Bonney Lake, Washington, the average high-temperature in July marginally rises from an enjoyable 67.3°F (19.6°C) in June to a warm 74.8°F (23.8°C). Weather in July »

Weather in August

August, the last month of the summer in Bonney Lake, is another warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 50.9°F (10.5°C). The warmest month is August, with an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 50.9°F (10.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Bonney Lake, Washington, with an average temperature ranging between max 68.9°F (20.5°C) and min 47.7°F (8.7°C). In September, the average high-temperature marginally drops from a warm 75.7°F (24.3°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Bonney Lake, Washington, with an average temperature varying between 57.4°F (14.1°C) and 42.4°F (5.8°C). In Bonney Lake, the average high-temperature in October decreases from an agreeable 68.9°F (20.5°C) in September to a mild 57.4°F (14.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Bonney Lake, is another chilly month, with an average temperature fluctuating between 47.3°F (8.5°C) and 37°F (2.8°C). In November, the average high-temperature decreases from a mild 57.4°F (14.1°C) in October to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

December, the first month of the winter in Bonney Lake, is still a cold month, with an average temperature fluctuating between 41.4°F (5.2°C) and 32°F (0°C). With an average high-temperature of 41.4°F (5.2°C) and an average low-temperature of 32°F (0°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Bonney Lake?

The most humid month in Bonney Lake is January, with an average relative humidity of 87%.

How much does it rain in Bonney Lake?

Throughout the year, there are 185 rainfall days, and 35.71" (907mm) of precipitation is accumulated.

When does it snow in Bonney Lake?

Months with snowfall in Bonney Lake, Washington, are January through April, November and December.

How many days does it snow in Bonney Lake?

In Bonney Lake, Washington, during the entire year, snow falls for 15.8 days and aggregates up to 9.09" (231mm) of snow.

When is the lowest UV index in Bonney Lake?

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

What is the snowiest month in Bonney Lake?

February is the month with the most snowfall. Snow falls for 5.3 days and accumulates 3.31" (84mm) of snow.

When is Daylight Saving Time (DST) in Bonney Lake?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Bonney Lake, 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 Bonney Lake?

In Bonney Lake, snow does not fall in May through October.

When are the longest days in Bonney Lake?

With an average of 15h and 52min of daylight, June has the longest days of the year in Bonney Lake, Washington.

What are the least humid months in Bonney Lake?

The months with the lowest humidity are July and August, with an average relative humidity of 70%.

What is the driest month in Bonney Lake?

July is the month with the least rainfall in Bonney Lake. Rain falls for 7.6 days and accumulates 0.51" (13mm) of precipitation.

What is the month with the highest UV index in Bonney Lake?

July is the month with the highest UV index in Bonney Lake, Washington, with an average maximum UV index of 5.

What is the warmest month in Bonney Lake?

The warmest month is August, with an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 50.9°F (10.5°C).

What month has the most sunshine in Bonney Lake?

The month with the most sunshine is August, with an average of 10.9h of sunshine.

What is the coldest month in Bonney Lake?

With an average high-temperature of 41.4°F (5.2°C) and an average low-temperature of 32°F (0°C), December is the coldest month in Bonney Lake.

What is the rainiest month in Bonney Lake?

The month with the most rainfall is December, when the rain falls for 19.3 days and typically aggregates up to 5.35" (136mm) of precipitation.

What is the month with the shortest days in Bonney Lake?

The month with the shortest days in Bonney Lake is December, with an average of 8h and 34min of daylight.

What is the month with the least sunshine in Bonney Lake?

December has the least sunshine of the year, with an average of 4.2h of sunshine.

Average temperature
Bonney Lake, WA

Average temperature - Bonney Lake, WA

The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32°F).

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Average pressure
Bonney Lake, WA

Average pressure - Bonney Lake, WA

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed
Bonney Lake, WA

Average wind speed - Bonney Lake, WA

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity
Bonney Lake, WA

Average humidity - Bonney Lake, WA

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

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Average rainfall
Bonney Lake, WA

Average rainfall - Bonney Lake, WA

The wettest month (with the highest rainfall) is December (5.35").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days
Bonney Lake, WA

Average rainfall days - Bonney Lake, WA

The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.8 days).

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Average snowfall
Bonney Lake, WA

Average snowfall - Bonney Lake, WA

The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Bonney Lake, WA

Average snowfall days - Bonney Lake, WA

The month with the highest number of snowfall days is February (5.3 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
Bonney Lake, WA

Average daylight / Average sunshine - Bonney Lake, WA

The month with the longest days is June (Average daylight: 15h and 52min).
The month with the shortest days is December (Average daylight: 8h and 34min).

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days
Bonney Lake, WA

Average sunshine days - Bonney Lake, WA

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.2 days).

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Average UV index
Bonney Lake, WA

Average UV index - Bonney Lake, 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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Average visibility
Bonney Lake, WA

Average visibility - Bonney Lake, WA

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

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