June weather forecastJohn Sam Lake, WA
June
Weather in June
The first month of the summer, June, is still a comfortable month in John Sam Lake, Washington, with an average temperature varying between 47.7°F (8.7°C) and 66.2°F (19°C).Temperature
June's arrival brings an average high-temperature of a still refreshing 66.2°F (19°C), demonstrating subtle variation from the preceding month. Nighttime temperatures hover around an average low of 47.7°F (8.7°C) in June.Humidity
In June, the average relative humidity in John Sam Lake is 76%.Rainfall
In John Sam Lake, in June, during 12.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In John Sam Lake, 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, 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 John Sam Lake, the average sunshine in June is 9.3h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In June, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 18min
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).
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).
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).
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).
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).
