Swimming in Portland in july 2025: Average sea temperature in july and tide times in july 2025
Average sea temperature in Portland in july 2025.
In july, according to seasonal norms, the sea temperature in Portland is:
Minimum: 55°F
Average: 58°F
Maximum: 61°F
Other useful seasonal weather averages in july:
- Outside temperature: 63°F to 83°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 Portland in july?
No... The water temperature in Portland in july is freezing
You won't be able to swim in Portland in july! The water temperature is freezing, reaching as low as 55°F (and only 61°F at best)! Our advice: if you are going to Portland this month, plan to sightsee and forget the beach!
Note also that in july, the climate is perfect with an average outside temperature of 73°F, 0.6in of precipitation (over 1 days) and 74.27 % humidity.
Water and normal seasonal temperatures in Portland in july
| July | |||
| Average sea temperature | 58°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 61°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 6.2mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 0.6in | ||
| Number of days of rain | 1 jour(s) (3%) | ||
| Humidity | 75% | ||
| Visibility in kilometers | 8.88km | ||
| Cloud cover | 24% | ||
| Our opinion | freezing swimming |
Chart of the tides in july 2025
Tide times in july 2025 in Portland
Swim elsewhere in the United States (USA) in july
| City | Average T° | Min. T° | Max. T° | Our opinion | California in july | 68°F | 72°F | cool swimming | Washington D. C. in july | 77°F | 80°F | pleasant swimming | Boston in july | 66°F | 70°F | cool swimming | Miami (Florida) in july | 86°F | 88°F | ideal swimming | New York City in july | 73°F | 77°F | pleasant swimming | Seattle in july | 51°F | 53°F | freezing swimming | Houston in july | 86°F | 88°F | ideal swimming | Long Beach (Washington) in july | 59°F | 62°F | freezing swimming | Myrtle Beach in july | 82°F | 85°F | ideal swimming | Philadelphia in july | 75°F | 78°F | pleasant swimming | Atlantic City in july | 75°F | 79°F | pleasant swimming | Baltimore in july | 76°F | 80°F | pleasant swimming | Bar Harbor (Maine) in july | 55°F | 61°F | freezing swimming | Brooklyn in july | 73°F | 76°F | pleasant swimming | Cape Cod National Seashore in july | 66°F | 72°F | cool swimming | Carolina Beach in july | 83°F | 85°F | ideal swimming | Gulf Shores (Alabama) in july | 86°F | 90°F | ideal swimming | Hampton Beach in july | 65°F | 70°F | cool swimming | Maryland in july | 76°F | 80°F | pleasant swimming | Mobile (Alabama) in july | 86°F | 89°F | ideal swimming |
Swim in the United States (USA) in july: sea temperature by city