August weather forecastTacoma, WA
August
Weather in August
In August, the sizzling summer in Tacoma continues to reign with temperatures mounting to 78.1°F (25.6°C). The slight rise in rainfall from July to 0.55" (14mm) offers some respite from the summer heat. The city exhibits a lively summer tableau as daylight hours dwindle and lead towards autumn. Outdoor activities and events persist, making the most of Tacoma's picturesque summer. The seasonal cycle begins to hint at the imminent arrival of fall, accompanied by vibrant colors.Temperature
Tacoma experiences its highest temperatures in August, with an average peak of 78.1°F (25.6°C) and a low of 52.7°F (11.5°C).Humidity
In August, the average relative humidity is 70%.Rainfall
In Tacoma, in August, it is raining for 5 days, with typically 0.55" (14mm) of accumulated precipitation. In Tacoma, during the entire year, the rain falls for 172.9 days and collects up to 30.08" (764mm) of precipitation.Snowfall
In Tacoma, snow does not fall in April through October.Ocean temperature
With an average ocean temperature of 53.8°F (12.1°C), August is the month with the warmest seawater.Note: Dipping into 53.8°F (12.1°C) below 50°F (10°C) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 55.4°F (13°C) can be jarring.
Daylight
The average length of the day in August is 14h and 11min.On the first day of August, sunrise is at 5:49 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:50 pm PDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year in Tacoma.UV index
The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during August translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tacoma, WA
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in August: 52.7°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in August
Tacoma, 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
Tacoma, WA
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Tacoma, WA
- Average humidity in August: 70%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in August
Tacoma, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in August
Tacoma, WA
- Average rainfall days in August: 5 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in August
Tacoma, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Tacoma, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Tacoma, WA
- Average sea temperature in August: 53.7°F
The best month for swimming (with the highest average sea temperature) is August (53.7°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).
Average daylight in August /
Average sunshine in August
Tacoma, 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 36min).
- Average sunshine in August: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in August
Tacoma, WA
- Average sunshine days in August: 23.4 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in August
Tacoma, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Tacoma, WA
- Average cloud cover in August: 27
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Tacoma, WA
- Average visibility in August: 6mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
