August weather forecastMukilteo, WA
August
Weather in August
The last month of the summer, August, is also an agreeable month in Mukilteo, Washington, with an average temperature ranging between min 54°F (12.2°C) and max 72.7°F (22.6°C).Temperature
The warmest time of the year is August, with temperatures averaging a high of 72.7°F (22.6°C) and a low of 54°F (12.2°C).Humidity
In August, the average relative humidity is 74%.Rainfall
In Mukilteo, during August, the rain falls for 6.3 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Mukilteo, during the entire year, the rain falls for 173.1 days and collects up to 26.02" (661mm) of precipitation.Snowfall
In Mukilteo, snow does not fall in May through October.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 53.6°F (12°C).Note: Diving into 53.6°F (12°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in August is 14h and 14min.On the first day of August in Mukilteo, sunrise is at 5:46 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:51 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
In Mukilteo, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in August translates into the following instructions:
Take precautions - Protection against sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. 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 August
Mukilteo, WA
- Average high temperature in August: 72.7°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 August: 54°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 August
Mukilteo, 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
Mukilteo, WA
- Average wind speed in August: 3.6mph
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 August
Mukilteo, WA
- Average humidity in August: 74%
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 August
Mukilteo, WA
- Average rainfall in August: 0.47"
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 August
Mukilteo, WA
- Average rainfall days in August: 6.3 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 August
Mukilteo, WA
- Average snowfall in August: 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 August
Mukilteo, WA
- Average snowfall days in August: 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 sea temperature in August
Mukilteo, WA
- Average sea temperature in August: 53.5°F
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in August /
Average sunshine in August
Mukilteo, WA
- Average daylight in August: 14h and 12min
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 August: 10h and 42min
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 August
Mukilteo, WA
- Average sunshine days in August: 22.6 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 August
Mukilteo, WA
- Average UV index in August: 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 August
Mukilteo, WA
- Average cloud cover in August: 25
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 August
Mukilteo, 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).
