July weather forecastTruro, MA
July
Weather in July
July in Truro, Massachusetts, is an agreeable summer month, with an average temperature varying between 66.9°F (19.4°C) and 70.3°F (21.3°C).Temperature
With the onset of July, Truro experiences a subtle temperature shift, with the average high-temperature moving from an enjoyable 62.4°F (16.9°C) in June to an agreeable 70.3°F (21.3°C). Truro's nighttime temperatures in July settle close to daytime highs at an average of 66.9°F (19.4°C).Humidity
The most humid month is July, with an average relative humidity of 85%.Rainfall
In July, the rain falls for 13.3 days. Throughout July, 1.57" (40mm) of precipitation is accumulated. In Truro, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Truro, Massachusetts, the average length of the day in July is 14h and 53min.On the first day of July, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in July is 10.4h.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in July translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Truro, MA
- Average high temperature in July: 70.3°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in July: 66.9°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in July
Truro, MA
- Average pressure in July: 29.95"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
Truro, MA
- Average wind speed in July: 11.6mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in July
Truro, MA
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in July
Truro, MA
- Average rainfall in July: 1.57"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in July
Truro, MA
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in July
Truro, MA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Truro, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Truro, MA
- Average daylight in July: 14h and 54min
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 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in July
Truro, MA
- Average sunshine days in July: 16.4 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in July
Truro, 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
Truro, MA
- Average cloud cover in July: 31
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
Truro, 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).
