July weather forecastMystic, CT
July
Weather in July
July, the heart of the summer season, brings Mystic's highest temperature, reaching up to 77.9°F (25.5°C). Thus, the city morphs into a bustling summer haven, teeming with tourists exploring the local attractions and stunning coastline. Whether taking a refreshing dip in the sea, with an average water temperature of a warm 68°F (20°C) or basking in the 14.8 hours of daylight, the city promises an abundance of outdoor activities. The piercing sunrays and the low rainfall provide the perfect excuse to indulge in water-based adventurous sports. In essence, Mystic's summer charm peaks during this hot month.Temperature
Mystic's July weather, with an average high temperature of 77.9°F (25.5°C) and an average low temperature of 66.9°F (19.4°C), tends to be the warmest of the year.Humidity
In July, the average relative humidity is 80%.Rainfall
In July, the rain falls for 17.1 days. Throughout July, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 166.1 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Ocean temperature
In Mystic, in July, the average water temperature is 68°F (20°C).Note: The majority find it unenjoyable to swim in 68°F (20°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
Daylight
In Mystic, the average length of the day in July is 14h and 49min.On the first day of July, sunrise is at 5:18 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:05 pm EDT.
Sunshine
In July, the average sunshine is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in July translates into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mystic, CT
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in July: 66.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in July
Mystic, CT
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Mystic, CT
- Average wind speed in July: 8.2mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in July
Mystic, CT
- Average humidity in July: 80%
The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in July
Mystic, CT
- Average rainfall in July: 2.72"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in July
Mystic, CT
- Average rainfall days in July: 17.1 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in July
Mystic, CT
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Mystic, CT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in July
Mystic, CT
- Average sea temperature in July: 68°F
The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in July /
Average sunshine in July
Mystic, CT
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in July
Mystic, CT
- Average sunshine days in July: 11.7 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).
Average UV index in July
Mystic, CT
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in July
Mystic, CT
- Average cloud cover in July: 31
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
Mystic, CT
- 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).
