July weather forecastNeedham Heights, MA

July

Weather in July

July, the same as June, is another warm summer month in Needham Heights, Massachusetts, with an average temperature varying between 81.9°F (27.7°C) and 64°F (17.8°C).

Temperature

July, characterized by an average high temperature of 81.9°F (27.7°C) and a low temperature of 64°F (17.8°C), is generally the warmest month.

Heat index

In July, the heat index is appraised at a tropical 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. 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 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In July, the average relative humidity is 74%.

Rainfall

In Needham Heights, in July, it is raining for 10.2 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 85.9 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Needham Heights.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:37 am and sunset at 8:05 pm EDT.

Sunshine

The average sunshine in July is 10.3h.

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 risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The month of July sees the average highest temperatures, reaching 81.9°F (27.7°C) at the peak and 64°F (17.8°C) at the low.

The average high-temperature and low-temperature in Needham Heights during July are 81.9°F (27.7°C) and 64°F (17.8°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

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

In Needham Heights, in July, it is raining for 10.2 days, with typically 0.51" (13mm) of accumulated precipitation.

In Needham Heights, snow does not fall in June through October.

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

In July, on the first day of the month, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of the month, in Needham Heights, sunrise is at 5:37 am and sunset at 8:05 pm EDT.

In Needham Heights, the average sunshine duration in July is 10.3h.

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

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Needham Heights, 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 (33.6°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in July
Needham Heights, MA

  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Needham Heights, MA

  • Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in July
Needham Heights, 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
Needham Heights, MA

  • Average rainfall in July: 0.51"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").

Average rainfall days in July
Needham Heights, MA

  • Average rainfall days in July: 10.2 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in July
Needham Heights, MA

  • Average snowfall in July: 0"

The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Needham Heights, MA

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Needham Heights, MA

  • Average daylight in July: 14h and 54min

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 18min

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).

Average sunshine days in July
Needham Heights, MA

  • Average sunshine days in July: 17.8 days

The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).

Average UV index in July
Needham Heights, 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
Needham Heights, MA

  • Average cloud cover in July: 35

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
Needham Heights, 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).