June weather forecastMill Creek, WA
June
Weather in June
June, the first month of the summer in Mill Creek, is still a comfortable month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66.7°F (19.3°C).Temperature
Transitioning from May to June, Mill Creek observes an average high-temperature of a still comfortable 66.7°F (19.3°C), differing subtly from the previous month. Mill Creek encounters a steady low-temperature average of 49.1°F (9.5°C) throughout the month of June.Humidity
In June, the average relative humidity is 76%.Rainfall
In Mill Creek, in June, it is raining for 12.5 days, with typically 1.18" (30mm) of accumulated precipitation. In Mill Creek, Washington, during the entire year, the rain falls for 173.1 days and collects up to 26.02" (661mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 16h and 0min of daylight.On the first day of June, sunrise is at 5:13 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 9:11 pm PDT.
Sunshine
The average sunshine in June is 9.6h.UV index
In Mill Creek, the average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during June translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mill Creek, WA
- Average high temperature in June: 66.7°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in June: 49.1°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure in June
Mill Creek, 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
Mill Creek, WA
- Average wind speed in June: 4mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in June
Mill Creek, WA
- Average humidity in June: 76%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in June
Mill Creek, WA
- Average rainfall in June: 1.18"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in June
Mill Creek, WA
- Average rainfall days in June: 12.5 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in June
Mill Creek, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Mill Creek, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (5.2 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
Mill Creek, 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 30min).
- Average sunshine in June: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Mill Creek, WA
- Average sunshine days in June: 14.8 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in June
Mill Creek, WA
- Average UV index in June: 4
The month with the highest UV index is 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
Mill Creek, WA
- Average cloud cover in June: 41
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in June
Mill Creek, 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).





