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

The warmest period is July, when temperatures fluctuate between an average high of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C).

Heat index

July's mean heat index is estimated at a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in July is 74%.

Rainfall

In Quincy, in July, it is raining for 10.3 days, with typically 0.59" (15mm) of accumulated precipitation. In Quincy, during the entire year, the rain falls for 89.5 days and collects up to 6.61" (168mm) of precipitation.

Snowfall

In Quincy, snow does not fall in June through October.

Daylight

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

Sunshine

In July, the average sunshine in Quincy is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What month is the hottest?

Quincy experiences its average highest temperatures in July, reaching a peak of 81.3°F (27.4°C) and a minimum of 64.8°F (18.2°C).

What is the usual temperature for Quincy in July?

The high-temperature, in July, in Quincy, records 81.3°F (27.4°C), while the low-temperature is 64.8°F (18.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 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?

In Quincy, Massachusetts, snow does not fall in June through October.

What is the average length of the day in July?

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

What time 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, in Quincy, sunrise is at 5:36 am and sunset at 8:04 pm EDT.

How many hours of sunshine does Quincy have in July?

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

What are the months 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 reading in July?

In Quincy, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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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