July weather forecastMountlake Terrace, WA
July
Weather in July
July is an agreeable summer month in Mountlake Terrace, Washington, with an average temperature ranging between min 52.9°F (11.6°C) and max 72.9°F (22.7°C).Temperature
As Mountlake Terrace, Washington, transitions into July, the average high-temperature is observed to slightly rise from a refreshing 67.3°F (19.6°C) in June to an agreeable 72.9°F (22.7°C). Mountlake Terrace records a mean low-temperature of 52.9°F (11.6°C) in July.Humidity
With an average relative humidity of 72%, July is the least humid month.Rainfall
The month with the least rainfall is July, when the rain falls for 7.7 days and typically collects 0.39" (10mm) of precipitation.Snowfall
In Mountlake Terrace, Washington, snow does not fall in May through October.Daylight
The average length of the day in July in Mountlake Terrace, Washington, is 15h and 33min.On the first day of July, sunrise is at 5:15 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:45 pm PDT.
Sunshine
In Mountlake Terrace, Washington, the average sunshine in July is 10.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in July leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mountlake Terrace, WA
- Average high temperature in July: 72.9°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 July: 52.9°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 July
Mountlake Terrace, WA
- Average pressure in July: 30.04"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 July
Mountlake Terrace, WA
- Average wind speed in July: 3.6mph
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 July
Mountlake Terrace, WA
- Average humidity in July: 72%
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 July
Mountlake Terrace, WA
- Average rainfall in July: 0.39"
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 July
Mountlake Terrace, WA
- Average rainfall days in July: 7.7 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 July
Mountlake Terrace, WA
- Average snowfall in July: 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 July
Mountlake Terrace, WA
- Average snowfall days in July: 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 July /
Average sunshine in July
Mountlake Terrace, WA
- Average daylight in July: 15h and 30min
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 July: 10h and 30min
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 July
Mountlake Terrace, WA
- Average sunshine days in July: 21.3 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 July
Mountlake Terrace, WA
- Average UV index in July: 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 July
Mountlake Terrace, WA
- Average cloud cover in July: 27
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 July
Mountlake Terrace, WA
- Average visibility in July: 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).
