Swimming in Seattle in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Seattle in august 2025.
In august, according to seasonal norms, the sea temperature in Seattle is:
Minimum: 52°F
Average: 54°F
Maximum: 56°F
Other useful seasonal weather averages in august:
- Outside temperature: 63°F to 80°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 0.6in, over 1 day(s).
Should we swim in Seattle in august?
No... The water temperature in Seattle in august is freezing
You won't be able to swim in Seattle in august! The water temperature is freezing, reaching as low as 52°F (and only 56°F at best)! Our advice: if you are going to Seattle this month, plan to sightsee and forget the beach!
Note also that in august, the climate is perfect with an average outside temperature of 72°F, 0.6in of precipitation (over 1 days) and 78.43 % humidity.
Water and normal seasonal temperatures in Seattle in august
| August | |||
| Average sea temperature | 54°F | ||
| Minimum sea temperature | 52°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 5.6mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 0.6in | ||
| Number of days of rain | 1 jour(s) (3%) | ||
| Humidity | 79% | ||
| Visibility in kilometers | 9.39km | ||
| Cloud cover | 24% | ||
| Our opinion | freezing swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Seattle
Swim elsewhere in the United States (USA) in august
| City | Average T° | Min. T° | Max. T° | Our opinion | California in august | 68°F | 71°F | cool swimming | Washington D. C. in august | 79°F | 81°F | pleasant swimming | Boston in august | 68°F | 71°F | cool swimming | Miami (Florida) in august | 87°F | 88°F | ideal swimming | New York City in august | 74°F | 78°F | pleasant swimming | Houston in august | 87°F | 90°F | ideal swimming | Long Beach (Washington) in august | 58°F | 61°F | freezing swimming | Myrtle Beach in august | 83°F | 85°F | ideal swimming | Philadelphia in august | 77°F | 81°F | pleasant swimming | Portland in august | 57°F | 60°F | freezing swimming | Atlantic City in august | 77°F | 82°F | pleasant swimming | Baltimore in august | 78°F | 81°F | pleasant swimming | Bar Harbor (Maine) in august | 57°F | 62°F | freezing swimming | Brooklyn in august | 74°F | 78°F | pleasant swimming | Cape Cod National Seashore in august | 68°F | 71°F | cool swimming | Carolina Beach in august | 83°F | 85°F | ideal swimming | Gulf Shores (Alabama) in august | 87°F | 90°F | ideal swimming | Hampton Beach in august | 67°F | 70°F | cool swimming | Maryland in august | 78°F | 80°F | pleasant swimming | Mobile (Alabama) in august | 87°F | 89°F | ideal swimming |
Swim in the United States (USA) in august: sea temperature by city