June weather forecast
John Sam Lake, WA

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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).

Temperature

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. Throughout the month of June, John Sam Lake expects an average low of 47.7°F (8.7°C).

Humidity

In June, the average relative humidity in John Sam Lake is 76%.

Rainfall

In John Sam Lake, in June, it is raining for 12.3 days, with typically 1.3" (33mm) of accumulated precipitation. In John Sam Lake, Washington, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

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

Daylight

June has the longest days of the year in John Sam Lake, with an average of 16h and 0min of daylight.
On the first day of the month, sunrise is at 5:12 am and sunset at 9:01 pm. On the last day of June, sunrise is at 5:13 am and sunset at 9:12 pm PDT.

Sunshine

In June, the average sunshine in John Sam Lake is 9.3h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in John Sam Lake. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In June, a daily UV index of 5 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for John Sam Lake in June?

The average high-temperature, in June, in John Sam Lake, is 66.2°F (19°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in June in John Sam Lake?

In John Sam Lake, the average relative humidity in June is 76%.

How many days does it rain in June in John Sam Lake?

In John Sam Lake, Washington, in June, during 12.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

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 average length of the day in June in John Sam Lake?

In John Sam Lake, the average day length in June is 16h and 0min.

When is the sunrise / sunset in June in John Sam Lake?

On the first day of June in John Sam Lake, Washington, sunrise is at 5:12 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 9:12 pm PDT.

How many hours of sunshine does John Sam Lake have in June?

The average sunshine duration in June in John Sam Lake is 9.3h.

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

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

What is the UV index intensity in June in John Sam Lake?

In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
John Sam Lake, WA

Average temperature in June - John Sam Lake, WA
  • Average high temperature in June: 66.2°F

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).

  • Average low temperature in June: 47.7°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 in June
John Sam Lake, WA

Average pressure in June - John Sam Lake, WA
  • Average pressure in June: 30.02"Hg

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 in June
John Sam Lake, WA

Average wind speed in June - John Sam Lake, WA
  • Average wind speed in June: 3.9mph

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 in June
John Sam Lake, WA

Average humidity in June - John Sam Lake, WA
  • Average humidity in June: 76%

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 in June
John Sam Lake, WA

Average rainfall in June - John Sam Lake, WA
  • Average rainfall in June: 1.3"

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 in June
John Sam Lake, WA

Average rainfall days in June - John Sam Lake, WA
  • Average rainfall days in June: 12.3 days

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 in June
John Sam Lake, WA

Average snowfall in June - John Sam Lake, WA
  • Average snowfall in June: 0"

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 in June
John Sam Lake, WA

Average snowfall days in June - John Sam Lake, WA
  • Average snowfall days in June: 0 days

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 in June /
Average sunshine in June
John Sam Lake, WA

Average daylight in June / Average sunshine in June - John Sam Lake, WA
  • Average daylight in June: 16h and 0min

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).

  • Average sunshine in June: 9h and 2min

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 in June
John Sam Lake, WA

Average sunshine days in June - John Sam Lake, WA
  • Average sunshine days in June: 15.2 days

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 in June
John Sam Lake, WA

Average UV index in June - John Sam Lake, WA
  • Average UV index in June: 5

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 cloud cover in June
John Sam Lake, WA

Average cloud cover in June - John Sam Lake, WA
  • Average cloud cover in June: 43

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in June
John Sam Lake, WA

Average visibility in June - John Sam Lake, WA
  • Average visibility in June: 6mi

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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