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
The month of July sees the highest average temperatures in Somerville, reaching 81.9°F (27.7°C) at the peak and 64.8°F (18.2°C) at the low.Heat index
July's mean heat index is appraised at a tropical 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In July, the average relative humidity is 73%.Rainfall
In Somerville, in July, it is raining for 5 days, with typically 0.28" (7mm) of accumulated precipitation. In Somerville, Massachusetts, during the entire year, the rain falls for 47.8 days and collects up to 4.13" (105mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In July, the average length of the day in Somerville is 14h and 55min.On the first day of the month, sunrise is at 5:11 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:36 am and sunset at 8:04 pm EDT.
Sunshine
In Somerville, Massachusetts, the average sunshine in July is 10.2h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Somerville, Massachusetts. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during July translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the warmest months in Somerville?
What are July temperatures in Somerville?
What is the average humidity in July in Somerville?
How many days does it rain in July in Somerville?
When it does not snow in Somerville?
What is the average length of the day in July in Somerville?
When are sunrise and sunset in July in Somerville?
How long on average sun shines in July in Somerville?
What is the month with the highest UV index in Somerville?
How high is the UV index in July in Somerville?
Average temperature in July
Somerville, MA
- Average high temperature in July: 81.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in July: 64.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in July
Somerville, MA
- Average pressure in July: 29.94"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
Somerville, MA
- Average wind speed in July: 6.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in July
Somerville, MA
- Average humidity in July: 73%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in July
Somerville, MA
- Average rainfall in July: 0.28"
The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in July
Somerville, MA
- Average rainfall days in July: 5 days
The month with the highest number of rainy days is April (5.9 days).
The months with the least rainy days are January and September (2.9 days).
Average snowfall in July
Somerville, MA
- Average snowfall in July: 0"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in July
Somerville, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Somerville, 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 36min).
Average sunshine days in July
Somerville, MA
- Average sunshine days in July: 22.8 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is July (22.8 days).
Average UV index in July
Somerville, 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
Somerville, MA
- Average cloud cover in July: 34
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Somerville, 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).
Somerville, Massachusetts, USA
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