July weather forecast
Jamaica Plain, MA

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Weather in July

July, the same as June, is another warm summer month in Jamaica Plain, Massachusetts, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.6°F (18.1°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 81.9°F (27.7°C) and a low of 64.6°F (18.1°C).

Heat index

Throughout July, the heat index is appraised at a tropical 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Note that heat index values are valued for light wind and location in the shade. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in July in Jamaica Plain is 73%.

Rainfall

In Jamaica Plain, in July, during 9.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Jamaica Plain, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Jamaica Plain.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of July in Jamaica Plain, sunrise is at 5:12 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 in Jamaica Plain is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What month is the hottest in Jamaica Plain?

The warmest period in Jamaica Plain, Massachusetts, tends to be July, when average temperatures fluctuate between a high of 81.9°F (27.7°C) and a low of 64.6°F (18.1°C).

What are the temperatures in Jamaica Plain in July?

In Jamaica Plain, in July, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in July in Jamaica Plain?

The average relative humidity in July in Jamaica Plain, Massachusetts, is 73%.

How much does it rain in Jamaica Plain in July?

In Jamaica Plain, during July, the rain falls for 9.6 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When it does not snow in Jamaica Plain?

In Jamaica Plain, snow does not fall in June through October.

What is the average length of the day in July in Jamaica Plain?

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

When is the sunrise / sunset in July in Jamaica Plain?

On the first day of July in Jamaica Plain, sunrise is at 5:12 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 long on average sun shines in July in Jamaica Plain?

In Jamaica Plain, Massachusetts, the average sunshine duration in July is 10.2h.

What are the months with the highest UV index in Jamaica Plain?

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

What is the UV index reading in July in Jamaica Plain?

The average daily maximum UV index in July in Jamaica Plain is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Jamaica Plain, MA

Average temperature in July - Jamaica Plain, 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: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in July
Jamaica Plain, MA

Average pressure in July - Jamaica Plain, 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).

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Average wind speed in July
Jamaica Plain, MA

Average wind speed in July - Jamaica Plain, MA
  • Average wind speed in July: 6.1mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in July
Jamaica Plain, MA

Average humidity in July - Jamaica Plain, MA
  • Average humidity in July: 73%

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

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Average rainfall in July
Jamaica Plain, MA

Average rainfall in July - Jamaica Plain, MA
  • Average rainfall in July: 0.47"

The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in July
Jamaica Plain, MA

Average rainfall days in July - Jamaica Plain, MA
  • Average rainfall days in July: 9.6 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in July
Jamaica Plain, MA

Average snowfall in July - Jamaica Plain, 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").

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Average snowfall days in July
Jamaica Plain, MA

Average snowfall days in July - Jamaica Plain, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Jamaica Plain, MA

Average daylight in July / Average sunshine in July - Jamaica Plain, 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 42min).

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Average sunshine days in July
Jamaica Plain, MA

Average sunshine days in July - Jamaica Plain, MA
  • Average sunshine days in July: 18 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).

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Average UV index in July
Jamaica Plain, MA

Average UV index in July - Jamaica Plain, 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).

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Average cloud cover in July
Jamaica Plain, MA

Average cloud cover in July - Jamaica Plain, 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).

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Average visibility in July
Jamaica Plain, MA

Average visibility in July - Jamaica Plain, 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).

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Jamaica Plain, Massachusetts, USA

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