Climate and monthly weather forecast
Clear Lake, WA

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Weather in January

January, like December, in Clear Lake, Washington, is another cold winter month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 33.6°F (0.9°C). The arrival of January sees an average high-temperature of a still cold 42.1°F (5.6°C), hardly diverging from December's 40.5°F (4.7°C). Weather in January »

Weather in February

February, the last month of the winter in Clear Lake, is also an icy month, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 32.5°F (0.3°C). February's presence records an average high-temperature of a still icy 42.4°F (5.8°C), closely mirroring January's climate. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Clear Lake, Washington, with an average temperature varying between 46.6°F (8.1°C) and 35.1°F (1.7°C). March notes an average high-temperature of a frosty 46.6°F (8.1°C), subtly differing from February's 42.4°F (5.8°C). Weather in March »

Weather in April

April in Clear Lake, Washington, is a fresh spring month, with an average temperature fluctuating between 52°F (11.1°C) and 37.8°F (3.2°C). Observing a slight rise in April, the average high-temperature shifts from March's chilly 46.6°F (8.1°C) to a fresh 52°F (11.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Clear Lake, Washington, with an average temperature ranging between max 60.6°F (15.9°C) and min 42.8°F (6°C). As Clear Lake welcomes May, the average high-temperature displays a subtle shift, adjusting from a fresh 52°F (11.1°C) in April to a moderate 60.6°F (15.9°C). Weather in May »

Weather in June

June, the first month of the summer in Clear Lake, is a comfortable month, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 45.9°F (7.7°C). In June, Clear Lake notes an average high-temperature of a still refreshing 64°F (17.8°C), hardly different from the preceding month. Weather in June »

Weather in July

July in Clear Lake, Washington, is a pleasant summer month, with an average temperature varying between 49.1°F (9.5°C) and 70.9°F (21.6°C). Clear Lake witnesses the warmest weather in July, with temperatures averaging a high of 70.9°F (21.6°C) and a low of 49.1°F (9.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Clear Lake, Washington, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.5°F (10.3°C). The onset of August marks an average high-temperature of a still agreeable 70.7°F (21.5°C), hardly differing from July's 70.9°F (21.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Clear Lake, Washington, with an average temperature fluctuating between 47.8°F (8.8°C) and 64.2°F (17.9°C). In the transition to September, Clear Lake observes a minor drop in the average high-temperature, shifting from a pleasant 70.7°F (21.5°C) in August to a comfortable 64.2°F (17.9°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Clear Lake, Washington, with an average temperature fluctuating between 42.4°F (5.8°C) and 55°F (12.8°C). With October's onset, the weather shows a temperature decrease, transitioning from a comfortable 64.2°F (17.9°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 Clear Lake, Washington, with an average temperature fluctuating between 45.5°F (7.5°C) and 37.6°F (3.1°C). With November's arrival, Clear Lake sees a decrease in average high-temperatures, moving from a fresh 55°F (12.8°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Clear Lake, Washington, with an average temperature ranging between max 40.5°F (4.7°C) and min 32.5°F (0.3°C). December, with its average high-temperature of 40.5°F (4.7°C) and an average low-temperature of 32.5°F (0.3°C), holds the record as the coldest month. Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

January through March, with an average relative humidity of 86%, are most humid months.

How many days does it rain?

In Clear Lake, during the entire year, the rain falls for 203.2 days and collects up to 49.72" (1263mm) of precipitation.

When does it snow in Clear Lake?

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

How many days does it snow?

Throughout the year, there are 12 snowfall days, and 12.32" (313mm) of snow is accumulated.

When is the lowest UV index?

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

When does it snow the most?

February is the month with the most snowfall. Snow falls for 4.3 days and accumulates 4.96" (126mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 16h and 0min of daylight.

What is the hottest time of year?

July, with its average high-temperature of 70.9°F (21.6°C) and an average low-temperature of 49.1°F (9.5°C), holds the record as the warmest month.

What is the least humid month?

The least humid month is July, with an average relative humidity of 75%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 9.8 days and typically collects 0.98" (25mm) of precipitation.

What is the month with the highest UV index?

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

What month has the most sunshine?

With an average of 10.3h of sunshine, August has the most sunshine of the year in Clear Lake.

What is the wettest month?

The month with the most rainfall is November, when the rain falls for 21.1 days and typically aggregates up to 7.09" (180mm) of precipitation.

What month is the coldest?

Temperature records mark December as the coldest month, with highs averaging 40.5°F (4.7°C) and lows at 32.5°F (0.3°C).

What is the month with the shortest days?

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

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 3.5h of sunshine.

Average temperature
Clear Lake, WA

Average temperature - Clear Lake, WA

The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).

The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).

Average pressure
Clear Lake, WA

Average pressure - Clear Lake, WA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed
Clear Lake, WA

Average wind speed - Clear Lake, WA

The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity
Clear Lake, WA

Average humidity - Clear Lake, WA

The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).

Average rainfall
Clear Lake, WA

Average rainfall - Clear Lake, WA

The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").

Average rainfall days
Clear Lake, WA

Average rainfall days - Clear Lake, WA

The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).

Average snowfall
Clear Lake, WA

Average snowfall - Clear Lake, WA

The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Clear Lake, WA

Average snowfall days - Clear Lake, WA

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Clear Lake, WA

Average daylight / Average sunshine - Clear Lake, WA

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days
Clear Lake, WA

Average sunshine days - Clear Lake, WA

The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).

Average UV index
Clear Lake, WA

Average UV index - Clear Lake, WA

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

Average visibility
Clear Lake, WA

Average visibility - Clear Lake, WA

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

Clear Lake, Washington, USA

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