Swimming in Portland in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Portland in august 2025.
In august, according to seasonal norms, the sea temperature in Portland is:
Minimum: 55°F
Average: 57°F
Maximum: 60°F
Other useful seasonal weather averages in august:
- Outside temperature: 63°F to 84°F
- Most common weather: "Clear/Sunny"
- The wind blows at 11.2mph
- It rains a total of 0.8in, over 1 day(s).
Should we swim in Portland in august?
No... The water temperature in Portland in august is freezing
You won't be able to swim in Portland in august! The water temperature is freezing, reaching as low as 55°F (and only 60°F at best)! Our advice: if you are going to Portland this month, plan to sightsee and forget the beach!
Note also that in august, the climate is perfect with an average outside temperature of 74°F, 0.7in of precipitation (over 1 days) and 74.71 % humidity.
Water and normal seasonal temperatures in Portland in august
| August | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 60°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 65°F | ||
| Wind speed | 6.2mph | ||
| Wind temperature | 65°F | ||
| Precipitation | 0.8in | ||
| Number of days of rain | 1 jour(s) (4%) | ||
| Humidity | 75% | ||
| Visibility in kilometers | 8.96km | ||
| Cloud cover | 22% | ||
| Our opinion | freezing swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Portland
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 | Seattle in august | 54°F | 56°F | freezing 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 | 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