Sea Temperature in Portland in June

Complete information on the sea temperature range in the Atlantic Ocean in Portland in June. Historical daily data. Climate details for June. 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 June

46°F

MINIMUN

55°F

AVERAGE

63°F

MAXIMUM

Historical Data of Water Temperature in June in Portland

Water Temperature Chart for Atlantic Ocean in Portland in June

Sea Temperature Table in Portland in June Over the Past Years

Day	2024	2023	2022	Average
Jun 1	52°C	46°C	46°C	50°C
Jun 2	52°C	46°C	46°C	50°C
Jun 3	54°C	46°C	46°C	51°C
Jun 4	54°C	48°C	48°C	51°C
Jun 5	54°C	48°C	48°C	51°C
Jun 6	54°C	48°C	48°C	52°C
Jun 7	55°C	48°C	48°C	52°C
Jun 8	57°C	50°C	50°C	53°C
Jun 9	57°C	50°C	50°C	53°C
Jun 10	57°C	50°C	50°C	53°C
Jun 11	57°C	50°C	50°C	53°C
Jun 12	57°C	50°C	50°C	53°C
Jun 13	57°C	52°C	52°C	55°C
Jun 14	57°C	52°C	52°C	55°C
Jun 15	57°C	52°C	52°C	55°C
Jun 16	59°C	52°C	52°C	55°C
Jun 17	59°C	54°C	54°C	56°C
Jun 18	59°C	54°C	54°C	56°C
Jun 19	57°C	54°C	54°C	55°C
Jun 20	59°C	54°C	54°C	56°C
Jun 21	57°C	55°C	55°C	57°C
Jun 22	57°C	55°C	55°C	57°C
Jun 23	57°C	55°C	55°C	57°C
Jun 24	59°C	55°C	55°C	57°C
Jun 25	59°C	55°C	55°C	57°C
Jun 26	57°C	57°C	57°C	58°C
Jun 27	59°C	57°C	57°C	58°C
Jun 28	57°C	57°C	57°C	57°C
Jun 29	61°C	57°C	57°C	58°C

Portland Climate and Swimming Opportunities in June

63°F

Average Day Air Temperature

48°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

14 days

Number of Rainy Days

17 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

10 mph

Average Wind Speed

84%

Average
humidity

Portland lies within the Maine in United States. The average daytime temperature in Portland in June is 62°F (17°C), while the nighttime average is 49°F (9°C). There are typically 14 rainy days during the month, with a total precipitation of 2.6 inches (66 mm). The daylight duration in June in Portland is 17 hours, with an average of 6 hours of sunshine per day. The average wind speed in June is 11 mph (17 km/h), and the humidity level is around 84%.

The water temperature in Portland in June ranges from 48°F to 57°F (9°C to 14°C). At the beginning of the month, the average temperature is around 52°F (11°C), shifting to 54°F (12°C) by mid-June and reaching 57°F (14°C) in the last ten days. Overall, the average sea temperature in Portland for June is 54°F (12°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in June in Nearby Cities

Frequently Asked Questions About Water Temperatures in June in Portland

What is the sea temperature in Portland in June?

The water temperature in the Atlantic Ocean in Portland in June ranges from 48°F to 57°F (9°C to 14°C).

Is it possible to swim in the Atlantic Ocean in Portland in June?

The average sea temperature in Portland in June is 54°F (12°C), and the air temperature is 62°F (17°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.