June weather forecastWest Lake Sammamish, WA
June
Weather in June
The first month of the summer, June, is a pleasant month in West Lake Sammamish, Washington, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 46.4°F (8°C).Temperature
West Lake Sammamish ushers in June with an average high-temperature of a pleasant 69.3°F (20.7°C), showing a close resemblance to the previous month. In West Lake Sammamish, June nights witness a remarkable decline from the day's zenith to a chilly 46.4°F (8°C).Humidity
In June, the average relative humidity is 74%.Rainfall
In West Lake Sammamish, during June, the rain falls for 10 days and regularly aggregates up to 0.75" (19mm) of precipitation. In West Lake Sammamish, Washington, during the entire year, the rain falls for 136.7 days and collects up to 13.39" (340mm) of precipitation.Snowfall
In West Lake Sammamish, snow does not fall in May through October.Daylight
The month with the longest days is June, with an average of 15h and 54min of daylight.On the first day of the month, sunrise is at 5:14 am and sunset at 8:58 pm. On the last day of June, sunrise is at 5:14 am and sunset at 9:09 pm PDT.
Sunshine
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 value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 5 in June leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
West Lake Sammamish, WA
- Average high temperature in June: 69.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in June: 46.4°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in June
West Lake Sammamish, WA
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in June
West Lake Sammamish, WA
- Average wind speed in June: 3.6mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in June
West Lake Sammamish, WA
- Average humidity in June: 74%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).
Average rainfall in June
West Lake Sammamish, WA
- Average rainfall in June: 0.75"
The wettest month (with the highest rainfall) is December (1.85").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in June
West Lake Sammamish, WA
- Average rainfall days in June: 10 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in June
West Lake Sammamish, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
West Lake Sammamish, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in June /
Average sunshine in June
West Lake Sammamish, WA
- Average daylight in June: 15h and 54min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in June: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in June
West Lake Sammamish, WA
- Average sunshine days in June: 16.3 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in June
West Lake Sammamish, 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
West Lake Sammamish, WA
- Average cloud cover in June: 44
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
West Lake Sammamish, WA
- Average visibility in June: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
