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Sea Temperature in Boston in July
Complete information on the sea temperature range in the Atlantic Ocean in Boston in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Boston. 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 Boston in July
15°C
MINIMUN
19.5°C
AVERAGE
24°C
MAXIMUM
Historical Data of Water Temperature in July in Boston
Water Temperature Chart for Atlantic Ocean in Boston in July
Sea Temperature Table in Boston in July Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Jul 1 | 19°C | 21°C | 16°C | 18.3°C |
| Jul 2 | 17°C | 21°C | 16°C | 17.5°C |
| Jul 3 | 16°C | 21°C | 16°C | 17.3°C |
| Jul 4 | 17°C | 20°C | 16°C | 17.5°C |
| Jul 5 | 16°C | 18°C | 17°C | 17.0°C |
| Jul 6 | 16°C | 20°C | 17°C | 17.5°C |
| Jul 7 | 17°C | 20°C | 17°C | 18.0°C |
| Jul 8 | 17°C | 21°C | 17°C | 18.0°C |
| Jul 9 | 17°C | 21°C | 18°C | 18.5°C |
| Jul 10 | 17°C | 21°C | 18°C | 18.5°C |
| Jul 11 | 18°C | 21°C | 18°C | 18.8°C |
| Jul 12 | 18°C | 22°C | 18°C | 18.8°C |
| Jul 13 | 18°C | 22°C | 18°C | 18.8°C |
| Jul 14 | 18°C | 21°C | 19°C | 19.0°C |
| Jul 15 | 18°C | 20°C | 19°C | 18.8°C |
| Jul 16 | 19°C | 21°C | 19°C | 19.5°C |
| Jul 17 | 20°C | 21°C | 19°C | 19.8°C |
| Jul 18 | 21°C | 21°C | 20°C | 20.0°C |
| Jul 19 | 20°C | 22°C | 20°C | 20.0°C |
| Jul 20 | 21°C | 22°C | 20°C | 20.0°C |
| Jul 21 | 21°C | 22°C | 20°C | 20.5°C |
| Jul 22 | 21°C | 22°C | 21°C | 20.5°C |
| Jul 23 | 21°C | 22°C | 21°C | 20.8°C |
| Jul 24 | 21°C | 23°C | 21°C | 21.0°C |
| Jul 25 | 21°C | 23°C | 21°C | 21.0°C |
| Jul 26 | 20°C | 23°C | 22°C | 20.8°C |
| Jul 27 | 22°C | 23°C | 22°C | 21.3°C |
| Jul 28 | 20°C | 23°C | 22°C | 20.8°C |
| Jul 29 | 21°C | 24°C | 22°C | 21.3°C |
| Jul 30 | 21°C | 22°C | 22°C | 20.8°C |
Boston Climate and Swimming Opportunities in July
26°C
Average Day Air Temperature
17°C
Average Night Air Temperature
92 mm
Precipitation Amount per Month
9 days
Number of Rainy Days
15 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
69%
Average
humidity
Boston lies within the Massachusetts in United States. The average daytime temperature in Boston in July is 79°F (26°C), while the nighttime average is 63°F (17°C). There are typically nine rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in July in Boston is 15 hours, with an average of 9 hours of sunshine per day. The average wind speed in July is 9 mph (14 km/h), and the humidity level is around 69%.
The water temperature in Boston in July ranges from 63°F to 70°F (17°C to 21°C). At the beginning of the month, the average temperature is around 64°F (18°C), shifting to 66°F (19°C) by mid-July and reaching 70°F (21°C) in the last ten days. Overall, the average sea temperature in Boston for July is 66°F (19°C). Perfect balance of refreshing water and warm air. One of the best conditions for swimming.
Sea Temperature in July in Nearby Cities
Frequently Asked Questions About Water Temperatures in July in Boston
What is the sea temperature in Boston in July?
The water temperature in the Atlantic Ocean in Boston in July ranges from 63°F to 70°F (17°C to 21°C).
Is it possible to swim in the Atlantic Ocean in Boston in July?
The average sea temperature in Boston in July is 66°F (19°C), and the air temperature is 79°F (26°C), so perfect balance of refreshing water and warm air. One of the best conditions for swimming.