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Sea Temperature in Port Jefferson in July
© Sharon H
Complete information on the sea temperature range in the Atlantic Ocean in Port Jefferson in July. Historical daily data. Climate details for July. 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 July
64°F
MINIMUN
72°F
AVERAGE
79°F
MAXIMUM
Historical Data of Water Temperature in July in Port Jefferson
Water Temperature Chart for Atlantic Ocean in Port Jefferson in July
Sea Temperature Table in Port Jefferson in July Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Jul 1 | 72°C | 72°C | 70°C | 70°C |
| Jul 2 | 72°C | 72°C | 68°C | 69°C |
| Jul 3 | 70°C | 72°C | 70°C | 69°C |
| Jul 4 | 70°C | 73°C | 70°C | 70°C |
| Jul 5 | 70°C | 70°C | 72°C | 70°C |
| Jul 6 | 70°C | 73°C | 72°C | 71°C |
| Jul 7 | 70°C | 75°C | 72°C | 72°C |
| Jul 8 | 70°C | 73°C | 72°C | 72°C |
| Jul 9 | 70°C | 75°C | 72°C | 72°C |
| Jul 10 | 70°C | 72°C | 72°C | 71°C |
| Jul 11 | 70°C | 75°C | 72°C | 73°C |
| Jul 12 | 72°C | 73°C | 72°C | 72°C |
| Jul 13 | 70°C | 73°C | 75°C | 73°C |
| Jul 14 | 70°C | 75°C | 75°C | 73°C |
| Jul 15 | 72°C | 72°C | 75°C | 73°C |
| Jul 16 | 73°C | 73°C | 75°C | 73°C |
| Jul 17 | 73°C | 73°C | 75°C | 74°C |
| Jul 18 | 73°C | 75°C | 75°C | 74°C |
| Jul 19 | 73°C | 73°C | 75°C | 74°C |
| Jul 20 | 73°C | 77°C | 77°C | 75°C |
| Jul 21 | 72°C | 77°C | 77°C | 74°C |
| Jul 22 | 73°C | 75°C | 73°C | 73°C |
| Jul 23 | 72°C | 77°C | 75°C | 74°C |
| Jul 24 | 72°C | 77°C | 77°C | 74°C |
| Jul 25 | 73°C | 77°C | 77°C | 75°C |
| Jul 26 | 72°C | 77°C | 73°C | 73°C |
| Jul 27 | 73°C | 77°C | 73°C | 74°C |
| Jul 28 | 73°C | 77°C | 73°C | 73°C |
| Jul 29 | 75°C | 77°C | 73°C | 74°C |
| Jul 30 | 75°C | 77°C | 73°C | 74°C |
Port Jefferson Climate and Swimming Opportunities in July
82°F
Average Day Air Temperature
64°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
9 days
Number of Rainy Days
15 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
8 mph
Average Wind Speed
73%
Average
humidity
Port Jefferson lies within the New York in United States. The average daytime temperature in Port Jefferson in July is 82°F (28°C), while the nighttime average is 65°F (18°C). There are typically nine rainy days during the month, with a total precipitation of 3.2 inches (82 mm). The daylight duration in July in Port Jefferson is 15 hours, with an average of 9 hours of sunshine per day. The average wind speed in July is 8 mph (13 km/h), and the humidity level is around 73%.
The water temperature in Port Jefferson in July ranges from 68°F to 73°F (20°C to 23°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 73°F (23°C) by mid-July and reaching 73°F (23°C) in the last ten days. Overall, the average sea temperature in Port Jefferson for July is 72°F (22°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Sea Temperature in July in Nearby Cities
Frequently Asked Questions About Water Temperatures in July in Port Jefferson
What is the sea temperature in Port Jefferson in July?
The water temperature in the Atlantic Ocean in Port Jefferson in July ranges from 68°F to 73°F (20°C to 23°C).
Is it possible to swim in the Atlantic Ocean in Port Jefferson in July?
The average sea temperature in Port Jefferson in July is 72°F (22°C), and the air temperature is 82°F (28°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.