Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The average high-temperature mildly increases in July, edging from a comfortable 63.5°F (17.5°C) in June to an agreeable 71.6°F (22°C). South Yarmouth consistently logs a low temperature averaging a refreshing 67.6°F (19.8°C) during July, a modest drop from daytime temperatures.Humidity
June and July, with an average relative humidity of 84%, are the most humid months.Rainfall
In July, in South Yarmouth, the rain falls for 12.3 days. Throughout July, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in South Yarmouth, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
May through November are months without snowfall in South Yarmouth.Ocean temperature
In South Yarmouth, in July, the average water temperature is 65.8°F (18.8°C).Note: The majority of people find swimming in 65.8°F (18.8°C) unenjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing becomes more challenging to control.
Daylight
In South Yarmouth, the average length of the day in July is 14h and 51min.On the first day of July, sunrise is at 5:10 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 7:59 pm EDT.
Sunshine
In South Yarmouth, the average sunshine in July is 10.5h.UV index
The months with the highest UV index in South Yarmouth, Massachusetts, are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the usual temperature for South Yarmouth in July?
What is the most humid month in South Yarmouth?
What is the average humidity in July in South Yarmouth?
How many days does it rain in July in South Yarmouth?
When it does not snow in South Yarmouth?
What is the ocean temperature in July in South Yarmouth?
How many hours of daylight does South Yarmouth have in July?
When is the sunrise / sunset in July in South Yarmouth?
How many hours of sunshine does South Yarmouth have in July?
When is the highest UV index in South Yarmouth?
How high is the UV index in July in South Yarmouth?
Average temperature in July
South Yarmouth, MA
- Average high temperature in July: 71.6°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in July: 67.6°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in July
South Yarmouth, MA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
South Yarmouth, MA
- Average wind speed in July: 10.9mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in July
South Yarmouth, MA
- Average humidity in July: 84%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in July
South Yarmouth, MA
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in July
South Yarmouth, MA
- Average rainfall days in July: 12.3 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in July
South Yarmouth, MA
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in July
South Yarmouth, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
South Yarmouth, MA
- Average sea temperature in July: 65.8°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in July /
Average sunshine in July
South Yarmouth, MA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in July
South Yarmouth, MA
- Average sunshine days in July: 17.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in July
South Yarmouth, MA
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in July
South Yarmouth, MA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
South Yarmouth, MA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
South Yarmouth, Massachusetts, USA
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