Sea Temperature in Port Jefferson in June

Complete information on the sea temperature range in the Atlantic Ocean in Port Jefferson in June. Historical daily data. Climate details for June. Tips on swimming conditions and beach relaxation in Port Jefferson. 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 Port Jefferson in June

57°F

MINIMUN

65°F

AVERAGE

73°F

MAXIMUM

Historical Data of Water Temperature in June in Port Jefferson

Water Temperature Chart for Atlantic Ocean in Port Jefferson in June

Sea Temperature Table in Port Jefferson in June Over the Past Years

Day	2024	2023	2022	Average
Jun 1	57°C	57°C	59°C	59°C
Jun 2	59°C	57°C	59°C	60°C
Jun 3	59°C	57°C	61°C	60°C
Jun 4	59°C	59°C	59°C	60°C
Jun 5	61°C	57°C	61°C	60°C
Jun 6	61°C	59°C	61°C	61°C
Jun 7	63°C	59°C	59°C	61°C
Jun 8	63°C	61°C	59°C	62°C
Jun 9	63°C	61°C	59°C	61°C
Jun 10	63°C	61°C	59°C	61°C
Jun 11	64°C	59°C	61°C	61°C
Jun 12	64°C	61°C	63°C	63°C
Jun 13	64°C	59°C	63°C	63°C
Jun 14	64°C	61°C	64°C	64°C
Jun 15	66°C	61°C	64°C	64°C
Jun 16	64°C	61°C	64°C	64°C
Jun 17	66°C	61°C	64°C	64°C
Jun 18	66°C	61°C	64°C	64°C
Jun 19	66°C	63°C	66°C	66°C
Jun 20	66°C	64°C	66°C	66°C
Jun 21	64°C	64°C	66°C	66°C
Jun 22	66°C	66°C	66°C	67°C
Jun 23	66°C	68°C	70°C	68°C
Jun 24	66°C	68°C	70°C	68°C
Jun 25	66°C	68°C	68°C	68°C
Jun 26	66°C	68°C	70°C	68°C
Jun 27	68°C	68°C	70°C	68°C
Jun 28	70°C	68°C	70°C	69°C
Jun 29	70°C	68°C	68°C	68°C

Port Jefferson Climate and Swimming Opportunities in June

77°F

Average Day Air Temperature

59°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

11 days

Number of Rainy Days

15 hrs

Daylight
per Day

9 hrs

Sunshine
per Day

9 mph

Average Wind Speed

72%

Average
humidity

Port Jefferson lies within the New York in United States. The average daytime temperature in Port Jefferson in June is 77°F (25°C), while the nighttime average is 59°F (15°C). There are typically 11 rainy days during the month, with a total precipitation of 3.6 inches (91 mm). The daylight duration in June in Port Jefferson is 15 hours, with an average of 9 hours of sunshine per day. The average wind speed in June is 9 mph (14 km/h), and the humidity level is around 72%.

The water temperature in Port Jefferson in June ranges from 59°F to 68°F (15°C to 20°C). At the beginning of the month, the average temperature is around 61°F (16°C), shifting to 63°F (17°C) by mid-June and reaching 68°F (20°C) in the last ten days. Overall, the average sea temperature in Port Jefferson for June is 64°F (18°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in June in Nearby Cities

Frequently Asked Questions About Water Temperatures in June in Port Jefferson

What is the sea temperature in Port Jefferson in June?

The water temperature in the Atlantic Ocean in Port Jefferson in June ranges from 59°F to 68°F (15°C to 20°C).

Is it possible to swim in the Atlantic Ocean in Port Jefferson in June?

The average sea temperature in Port Jefferson in June is 64°F (18°C), and the air temperature is 77°F (25°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.