July weather forecast
East Boston, MA

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Weather in July

July, the same as June, is a moderately hot summer month in East Boston, Massachusetts, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64.9°F (18.3°C).

Temperature

July is East Boston's warmest month, registering average high temperatures of 81.7°F (27.6°C) and lows of 64.9°F (18.3°C).

Heat index

For July, the heat index is estimated at a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In July, the average relative humidity is 73%.

Rainfall

In East Boston, in July, it is raining for 14.7 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in East Boston, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 55min.
On the first day of July, sunrise is at 5:11 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:04 pm EDT.

Sunshine

In East Boston, Massachusetts, the average sunshine in July is 10.1h.

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 vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during July translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

July, having an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.9°F (18.3°C), is the warmest month.

What is the average July temperature?

The high-temperature during July is 81.7°F (27.6°C) and the low-temperature is 64.9°F (18.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in July?

The average relative humidity in July is 73%.

How much does it rain in July?

In July, the rain falls for 14.7 days. Throughout July, 1.89" (48mm) of precipitation is accumulated.

When it does not snow?

In East Boston, Massachusetts, snow does not fall in June through September.

How many hours of daylight does East Boston have in July?

In East Boston, the average day length in July is 14h and 55min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:04 pm EDT.

How many hours of sunshine does East Boston have in July?

In East Boston, the average sunshine duration in July is 10.1h.

When is the highest UV index in East Boston?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
East Boston, MA

Average temperature in July - East Boston, MA
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in July
East Boston, MA

Average pressure in July - East Boston, 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
East Boston, MA

Average wind speed in July - East Boston, MA
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in July
East Boston, MA

Average humidity in July - East Boston, MA
  • Average humidity in July: 73%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

Average rainfall in July
East Boston, MA

Average rainfall in July - East Boston, MA
  • Average rainfall in July: 1.89"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in July
East Boston, MA

Average rainfall days in July - East Boston, MA
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in July
East Boston, MA

Average snowfall in July - East Boston, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
East Boston, MA

Average snowfall days in July - East Boston, MA
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
East Boston, MA

Average daylight in July / Average sunshine in July - East Boston, 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
East Boston, MA

Average sunshine days in July - East Boston, MA
  • Average sunshine days in July: 15.3 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

Average UV index in July
East Boston, MA

Average UV index in July - East Boston, 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
East Boston, MA

Average cloud cover in July - East Boston, MA
  • Average cloud cover in July: 35

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in July
East Boston, MA

Average visibility in July - East Boston, 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).

East Boston, Massachusetts, USA

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