Climate and monthly weather forecast
John Sam Lake, WA

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Weather in January

January is a frosty winter month in John Sam Lake, Washington, with an average temperature fluctuating between 35.8°F (2.1°C) and 44.1°F (6.7°C). With January's advent, John Sam Lake sees an average high-temperature of a frosty 44.1°F (6.7°C), subtly shifted from December's 42.3°F (5.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in John Sam Lake, Washington, with an average temperature varying between 44.8°F (7.1°C) and 35.2°F (1.8°C). February's onset brings an average high-temperature of a still frosty 44.8°F (7.1°C), showing a minute difference from January's 44.1°F (6.7°C). Weather in February »

Weather in March

The first month of the spring, March, is still a chilly month in John Sam Lake, Washington, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 48.9°F (9.4°C). The average high-temperature during March registers at a still chilly 48.9°F (9.4°C), maintaining a close resemblance to the previous month. Weather in March »

Weather in April

April is a fresh spring month in John Sam Lake, Washington, with an average temperature ranging between min 40.3°F (4.6°C) and max 54.3°F (12.4°C). John Sam Lake's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's frosty 48.9°F (9.4°C) to a cool 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in John Sam Lake, Washington, with an average temperature ranging between max 62.2°F (16.8°C) and min 44.8°F (7.1°C). May showcases a minor temperature ascent, adjusting from April's fresh 54.3°F (12.4°C) to an enjoyable 62.2°F (16.8°C). Weather in May »

Weather in June

June, the first month of the summer in John Sam Lake, is also an enjoyable month, with an average temperature fluctuating between 47.7°F (8.7°C) and 66.2°F (19°C). The transition into June notes an average high-temperature of a still enjoyable 66.2°F (19°C), revealing a mild distinction from the 62.2°F (16.8°C) in May. Weather in June »

Weather in July

July in John Sam Lake, Washington, is a pleasant summer month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 51.4°F (10.8°C). In July, the average high-temperature marginally rises from a refreshing 66.2°F (19°C) in June to a pleasant 72.1°F (22.3°C). Weather in July »

Weather in August

August, the last month of the summer in John Sam Lake, is also an agreeable month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 73°F (22.8°C). John Sam Lake reaches its highest average temperatures in August, measuring 73°F (22.8°C) at the peak and 52.5°F (11.4°C) at the lowest. Weather in August »

Weather in September

September, the first month of the autumn in John Sam Lake, is still a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 50°F (10°C). The shift from August to September includes a small decrease in the average high-temperature, from a pleasant 73°F (22.8°C) to a refreshing 67.1°F (19.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in John Sam Lake, Washington, with an average temperature varying between 44.4°F (6.9°C) and 57°F (13.9°C). October weather is marked by a drop in the average high-temperature, falling from an enjoyable 67.1°F (19.5°C) in September to a moderate 57°F (13.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in John Sam Lake, Washington, with an average temperature varying between 47.7°F (8.7°C) and 39.2°F (4°C). John Sam Lake's November weather comes with a decrease in average high-temperatures, moving from a moderate 57°F (13.9°C) in October to a chilly 47.7°F (8.7°C). Weather in November »

Weather in December

December, the first month of the winter in John Sam Lake, is also an icy month, with an average temperature fluctuating between 42.3°F (5.7°C) and 34.7°F (1.5°C). December is the coldest month, with the temperature often reaching an average high of 42.3°F (5.7°C) and an average low of 34.7°F (1.5°C). Weather in December »
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Frequently asked questions

What are the most humid months in John Sam Lake?

January and December, with an average relative humidity of 85%, are most humid months in John Sam Lake.

How much does it rain in John Sam Lake?

In John Sam Lake, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.

When does it snow in John Sam Lake?

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

How much does it snow in John Sam Lake?

In John Sam Lake, during the entire year, snow falls for 8.9 days and aggregates up to 6.1" (155mm) of snow.

What are the months with the least sunshine in John Sam Lake?

The months with the least sunshine in John Sam Lake, Washington, are January and December, with an average of 4.2h of sunshine.

What are the months with the lowest UV index in John Sam Lake?

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 John Sam Lake?

February is the month with the most snowfall in John Sam Lake. Snow falls for 3.1 days and accumulates 2.68" (68mm) of snow.

When is Daylight Saving Time (DST) in John Sam Lake?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in John Sam Lake, 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 in John Sam Lake?

In John Sam Lake, Washington, snow does not fall in May through October.

When are the longest days in John Sam Lake?

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

What is the month with the highest UV index in John Sam Lake?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

What is the least humid month in John Sam Lake?

The least humid month is July, with an average relative humidity of 73%.

What is the driest month in John Sam Lake?

July is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.47" (12mm) of precipitation.

What part of the year is the hottest in John Sam Lake?

August stands out as John Sam Lake's warmest month, with temperatures ranging between an average high of 73°F (22.8°C) and a low of 52.5°F (11.4°C).

What month has the most sunshine in John Sam Lake?

The month with the most sunshine is August, with an average of 10.6h of sunshine.

What is the wettest month in John Sam Lake?

November is the month with the most rainfall in John Sam Lake. Rain falls for 19.7 days and accumulates 4.06" (103mm) of precipitation.

What time of the year is the coldest in John Sam Lake?

December is the month when John Sam Lake, Washington, experiences its coldest temperatures, averaging a high of 42.3°F (5.7°C) and a low of 34.7°F (1.5°C).

What is the month with the shortest days in John Sam Lake?

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

Average temperature
John Sam Lake, WA

Average temperature - John Sam Lake, WA

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

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Average pressure
John Sam Lake, WA

Average pressure - John Sam 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).

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Average wind speed
John Sam Lake, WA

Average wind speed - John Sam Lake, WA

The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity
John Sam Lake, WA

Average humidity - John Sam Lake, WA

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).

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Average rainfall
John Sam Lake, WA

Average rainfall - John Sam Lake, WA

The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days
John Sam Lake, WA

Average rainfall days - John Sam Lake, WA

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall
John Sam Lake, WA

Average snowfall - John Sam Lake, WA

The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
John Sam Lake, WA

Average snowfall days - John Sam Lake, WA

The month with the highest number of snowfall days is February (3.1 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
John Sam Lake, WA

Average daylight / Average sunshine - John Sam 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 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

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Average sunshine days
John Sam Lake, WA

Average sunshine days - John Sam Lake, WA

The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).

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Average UV index
John Sam Lake, WA

Average UV index - John Sam Lake, WA

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

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Average visibility
John Sam Lake, WA

Average visibility - John Sam Lake, WA

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

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John Sam Lake, Washington, USA

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