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Sea Temperature in Portland in August
Complete information on the sea temperature range in the Atlantic Ocean in Portland in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Portland. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Portland in August
55°F
MINIMUN
62°F
AVERAGE
68°F
MAXIMUM
Historical Data of Water Temperature in August in Portland
Water Temperature Chart for Atlantic Ocean in Portland in August
Sea Temperature Table in Portland in August Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Aug 1 | 63°C | 55°C | 61°C | 61°C |
| Aug 2 | 63°C | 59°C | 57°C | 61°C |
| Aug 3 | 63°C | 55°C | 59°C | 61°C |
| Aug 4 | 63°C | 55°C | 63°C | 62°C |
| Aug 5 | 64°C | 57°C | 57°C | 61°C |
| Aug 6 | 63°C | 55°C | 59°C | 60°C |
| Aug 7 | 64°C | 59°C | 63°C | 62°C |
| Aug 8 | 64°C | 57°C | 61°C | 61°C |
| Aug 9 | 64°C | 57°C | 61°C | 61°C |
| Aug 10 | 66°C | 63°C | 63°C | 64°C |
| Aug 11 | 66°C | 55°C | 63°C | 62°C |
| Aug 12 | 66°C | 55°C | 59°C | 61°C |
| Aug 13 | 66°C | 59°C | 59°C | 62°C |
| Aug 14 | 68°C | 61°C | 61°C | 63°C |
| Aug 15 | 66°C | 57°C | 63°C | 63°C |
| Aug 16 | 66°C | 57°C | 63°C | 62°C |
| Aug 17 | 66°C | 55°C | 59°C | 61°C |
| Aug 18 | 64°C | 63°C | 63°C | 63°C |
| Aug 19 | 66°C | 55°C | 55°C | 60°C |
| Aug 20 | 66°C | 55°C | 55°C | 60°C |
| Aug 21 | 66°C | 59°C | 55°C | 61°C |
| Aug 22 | 66°C | 59°C | 55°C | 60°C |
| Aug 23 | 66°C | 63°C | 61°C | 63°C |
| Aug 24 | 66°C | 63°C | 59°C | 63°C |
| Aug 25 | 66°C | 63°C | 61°C | 63°C |
| Aug 26 | 64°C | 55°C | 55°C | 60°C |
| Aug 27 | 68°C | 61°C | 55°C | 62°C |
| Aug 28 | 64°C | 55°C | 55°C | 60°C |
| Aug 29 | 66°C | 59°C | 55°C | 61°C |
| Aug 30 | 64°C | 59°C | 55°C | 60°C |
Portland Climate and Swimming Opportunities in August
64°F
Average Day Air Temperature
52°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
16 days
Number of Rainy Days
15 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
10 mph
Average Wind Speed
86%
Average
humidity
Portland lies within the Maine in United States. The average daytime temperature in Portland in August is 65°F (18°C), while the nighttime average is 52°F (11°C). There are typically 16 rainy days during the month, with a total precipitation of 3.4 inches (85 mm). The daylight duration in August in Portland is 15 hours, with an average of 5 hours of sunshine per day. The average wind speed in August is 10 mph (16 km/h), and the humidity level is around 86%.
The water temperature in Portland in August ranges from 59°F to 63°F (15°C to 17°C). At the beginning of the month, the average temperature is around 61°F (16°C), shifting to 63°F (17°C) by mid-August and reaching 61°F (16°C) in the last ten days. Overall, the average sea temperature in Portland for August is 61°F (16°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in August in Nearby Cities
Frequently Asked Questions About Water Temperatures in August in Portland
What is the sea temperature in Portland in August?
The water temperature in the Atlantic Ocean in Portland in August ranges from 59°F to 63°F (15°C to 17°C).
Is it possible to swim in the Atlantic Ocean in Portland in August?
The average sea temperature in Portland in August is 61°F (16°C), and the air temperature is 65°F (18°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.