Search for cities, countries, lakes and rivers
Sea Temperature in South Yarmouth in July
Complete information on the sea temperature range in the Atlantic Ocean in South Yarmouth in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in South Yarmouth. 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 South Yarmouth in July
59°F
MINIMUN
67°F
AVERAGE
75°F
MAXIMUM
Historical Data of Water Temperature in July in South Yarmouth
Water Temperature Chart for Atlantic Ocean in South Yarmouth in July
Sea Temperature Table in South Yarmouth in July Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Jul 1 | 72°C | 70°C | 63°C | 68°C |
Jul 2 | 70°C | 68°C | 63°C | 67°C |
Jul 3 | 68°C | 70°C | 66°C | 68°C |
Jul 4 | 66°C | 70°C | 66°C | 67°C |
Jul 5 | 68°C | 64°C | 68°C | 67°C |
Jul 6 | 68°C | 68°C | 68°C | 68°C |
Jul 7 | 68°C | 68°C | 66°C | 68°C |
Jul 8 | 68°C | 70°C | 64°C | 68°C |
Jul 9 | 66°C | 70°C | 64°C | 67°C |
Jul 10 | 68°C | 70°C | 64°C | 68°C |
Jul 11 | 68°C | 72°C | 64°C | 69°C |
Jul 12 | 66°C | 70°C | 68°C | 69°C |
Jul 13 | 68°C | 70°C | 68°C | 69°C |
Jul 14 | 68°C | 70°C | 68°C | 69°C |
Jul 15 | 70°C | 68°C | 68°C | 69°C |
Jul 16 | 68°C | 72°C | 66°C | 69°C |
Jul 17 | 70°C | 70°C | 68°C | 70°C |
Jul 18 | 72°C | 72°C | 68°C | 70°C |
Jul 19 | 70°C | 72°C | 68°C | 70°C |
Jul 20 | 70°C | 73°C | 68°C | 70°C |
Jul 21 | 73°C | 73°C | 70°C | 72°C |
Jul 22 | 73°C | 73°C | 70°C | 72°C |
Jul 23 | 70°C | 73°C | 70°C | 71°C |
Jul 24 | 72°C | 73°C | 68°C | 71°C |
Jul 25 | 72°C | 73°C | 68°C | 71°C |
Jul 26 | 72°C | 73°C | 66°C | 70°C |
Jul 27 | 70°C | 75°C | 66°C | 70°C |
Jul 28 | 72°C | 73°C | 64°C | 70°C |
Jul 29 | 72°C | 73°C | 66°C | 70°C |
Jul 30 | 72°C | 75°C | 66°C | 70°C |



South Yarmouth Climate and Swimming Opportunities in July
79°F
Average Day Air Temperature
63°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
9 days
Number of Rainy Days
15 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
10 mph
Average Wind Speed
75%
Average
humidity
South Yarmouth lies within the Massachusetts in United States. The average daytime temperature in South Yarmouth 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 2.8 inches (70 mm). The daylight duration in July in South Yarmouth is 15 hours, with an average of 8 hours of sunshine per day. The average wind speed in July is 10 mph (16 km/h), and the humidity level is around 75%.
The water temperature in South Yarmouth in July ranges from 66°F to 72°F (19°C to 22°C). At the beginning of the month, the average temperature is around 68°F (20°C), shifting to 68°F (20°C) by mid-July and reaching 70°F (21°C) in the last ten days. Overall, the average sea temperature in South Yarmouth for July is 70°F (21°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 South Yarmouth
What is the sea temperature in South Yarmouth in July?
The water temperature in the Atlantic Ocean in South Yarmouth in July ranges from 66°F to 72°F (19°C to 22°C).
Is it possible to swim in the Atlantic Ocean in South Yarmouth in July?
The average sea temperature in South Yarmouth in July is 70°F (21°C), and the air temperature is 79°F (26°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.