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 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
In Wellesley, the average temperatures in July are the highest, with a peak at 82.4°F (28°C) and a low of 63.5°F (17.5°C).Heat index
July's average heat index is evaluated at a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In Wellesley, the average relative humidity in July is 74%.Rainfall
In Wellesley, in July, it is raining for 15.6 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 141.8 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
In Wellesley, snow does not fall in June through September.Daylight
The average length of the day in July in Wellesley, Massachusetts, is 14h and 55min.On the first day of July in Wellesley, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:05 pm EDT.
Sunshine
In Wellesley, the average sunshine in July is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What time of the year is the hottest in Wellesley?
How hot does it get in Wellesley in July?
What is the average humidity in July in Wellesley?
How much does it rain in Wellesley in July?
When it does not snow in Wellesley?
What is the average length of the day in July in Wellesley?
When are sunrise and sunset in July in Wellesley?
How long on average sun shines in July in Wellesley?
When is the highest UV index in Wellesley?
What is the UV index intensity in July in Wellesley?
Average temperature in July
Wellesley, MA
- Average high temperature in July: 82.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in July: 63.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in July
Wellesley, MA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Wellesley, MA
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in July
Wellesley, MA
- Average humidity in July: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in July
Wellesley, MA
- Average rainfall in July: 1.89"
The wettest month (with the highest rainfall) is March (2.4").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in July
Wellesley, MA
- Average rainfall days in July: 15.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in July
Wellesley, MA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Wellesley, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Wellesley, 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 6min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Wellesley, MA
- Average sunshine days in July: 13.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in July
Wellesley, MA
- 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, November and December (UV index 2).
Average cloud cover in July
Wellesley, MA
- Average cloud cover in July: 35
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Wellesley, MA
- Average visibility in July: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Wellesley, Massachusetts, USA
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