June weather forecastMountlake Terrace, WA
June
Weather in June
The first month of the summer, June, is still a comfortable month in Mountlake Terrace, Washington, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 67.3°F (19.6°C).Temperature
The commencement of June records an average high-temperature of a still comfortable 67.3°F (19.6°C), barely varying from May's 62.8°F (17.1°C). Nighttime temperatures in June average to a frosty 49.3°F (9.6°C) in Mountlake Terrace.Humidity
The average relative humidity in June is 75%.Rainfall
In Mountlake Terrace, in June, it is raining for 12.2 days, with typically 1.06" (27mm) of accumulated precipitation. In Mountlake Terrace, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
In Mountlake Terrace, snow does not fall in May through October.Daylight
June has the longest days of the year in Mountlake Terrace, with an average of 15h and 54min of daylight.On the first day of June in Mountlake Terrace, sunrise is at 5:14 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 9:11 pm PDT.
Sunshine
In Mountlake Terrace, the average sunshine in June is 9.6h.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In June, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mountlake Terrace, WA
- Average high temperature in June: 67.3°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in June: 49.3°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in June
Mountlake Terrace, WA
- Average pressure in June: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in June
Mountlake Terrace, WA
- Average wind speed in June: 3.9mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in June
Mountlake Terrace, WA
- Average humidity in June: 75%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in June
Mountlake Terrace, WA
- Average rainfall in June: 1.06"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in June
Mountlake Terrace, WA
- Average rainfall days in June: 12.2 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in June
Mountlake Terrace, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Mountlake Terrace, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.7 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
Mountlake Terrace, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in June
Mountlake Terrace, WA
- Average sunshine days in June: 14.4 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in June
Mountlake Terrace, 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
Mountlake Terrace, WA
- Average cloud cover in June: 41
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in June
Mountlake Terrace, WA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
