July weather forecast
Quincy, MA

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A US flag flying on a stone platform outside the houses of the 2nd and 6th Presidents of the US, in the small town of Quincy, Massachusetts
A US flag flying on a stone platform outside the houses of the 2nd and 6th Presidents of the US, in the small town of Quincy, Massachusetts

Weather in July

July is the peak of summer in Quincy, Massachusetts, with high temperatures soaring to 81.3°F (27.4°C). The city’s blue skies are clear with the percentage cloud cover at its annual minima. Days are long and vibrant, punctuated by intermittent showers. The city, surrounded by pristine beaches, attracts countless visitors, adding a lively vibe to the summer.

Temperature

In Quincy, July is the month with the highest recorded average temperatures, measuring a high of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C).

Heat index

The average heat index in July is computed to be a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In July, the average relative humidity is 74%.

Rainfall

In Quincy, in July, it is raining for 10.3 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 89.5 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In July, the average length of the day 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

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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during July translates into the following directions:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Quincy's temperature records reveal July as the warmest month, marked by average highs of 81.3°F (27.4°C) and lows of 64.8°F (18.2°C).

What is the temperature in July?

The high-temperature during July is 81.3°F (27.4°C) and the low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in July?

In Quincy, the average relative humidity in July is 74%.

How many days does it rain in July?

In Quincy, during July, the rain falls for 10.3 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Quincy have in July?

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

When is the sunrise / sunset in July in Quincy?

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.

How many hours of sunshine does Quincy have in July?

In July, the average sunshine duration is 10.1h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

In Quincy, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Quincy, MA

Average temperature in July - Quincy, MA
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°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 (22.6°F).

Average pressure in July
Quincy, MA

Average pressure in July - Quincy, 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
Quincy, MA

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

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in July
Quincy, MA

Average humidity in July - Quincy, MA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in July
Quincy, MA

Average rainfall in July - Quincy, MA
  • Average rainfall in July: 0.59"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in July
Quincy, MA

Average rainfall days in July - Quincy, MA
  • Average rainfall days in July: 10.3 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in July
Quincy, MA

Average snowfall in July - Quincy, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (0.83").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Quincy, MA

Average snowfall days in July - Quincy, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Quincy, MA

Average daylight in July / Average sunshine in July - Quincy, 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 12min).

  • 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
Quincy, MA

Average sunshine days in July - Quincy, MA
  • Average sunshine days in July: 18.4 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is April (17.8 days).

Average UV index in July
Quincy, MA

Average UV index in July - Quincy, 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
Quincy, MA

Average cloud cover in July - Quincy, 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 33).

Average visibility in July
Quincy, MA

Average visibility in July - Quincy, 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).

Quincy, Massachusetts, USA

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