August weather forecastMountlake Terrace, WA
August
Weather in August
August, the last month of the summer in Mountlake Terrace, is a warm month, with an average temperature ranging between min 54.1°F (12.3°C) and max 73.9°F (23.3°C).Temperature
August registers as the month with the highest average temperatures, reaching 73.9°F (23.3°C) at its peak and 54.1°F (12.3°C) at the lowest.Humidity
In Mountlake Terrace, Washington, the average relative humidity in August is 73%.Rainfall
In August, in Mountlake Terrace, the rain falls for 6.8 days. Throughout August, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 173 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
In Mountlake Terrace, snow does not fall in May through October.Daylight
The average length of the day in August in Mountlake Terrace is 14h and 13min.On the first day of August in Mountlake Terrace, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:51 pm PDT.
Sunshine
The month with the most sunshine in Mountlake Terrace, Washington, is August, with an average of 10.8h of sunshine.UV index
In Mountlake Terrace, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mountlake Terrace, WA
- Average high temperature in August: 73.9°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 August: 54.1°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 August
Mountlake Terrace, WA
- Average pressure in August: 30.01"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 August
Mountlake Terrace, WA
- Average wind speed in August: 3.5mph
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 August
Mountlake Terrace, WA
- Average humidity in August: 73%
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 August
Mountlake Terrace, WA
- Average rainfall in August: 0.51"
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 August
Mountlake Terrace, WA
- Average rainfall days in August: 6.8 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 August
Mountlake Terrace, WA
- Average snowfall in August: 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 August
Mountlake Terrace, WA
- Average snowfall days in August: 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 August /
Average sunshine in August
Mountlake Terrace, WA
- Average daylight in August: 14h and 12min
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 August: 10h and 48min
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 August
Mountlake Terrace, WA
- Average sunshine days in August: 22.5 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 August
Mountlake Terrace, WA
- Average UV index in August: 4
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 August
Mountlake Terrace, WA
- Average cloud cover in August: 25
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 August
Mountlake Terrace, WA
- Average visibility in August: 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).
