July weather forecast
Mendon, MA

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Weather in July

July, the same as June, is another warm summer month in Mendon, Massachusetts, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.6°F (17°C).

Temperature

With average high and low temperatures of 81.7°F (27.6°C) and 62.6°F (17°C) respectively, July is Mendon's warmest month.

Heat index

Throughout July, the heat index is appraised at a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In July, the average relative humidity is 77%.

Rainfall

In Mendon, in July, it is raining for 16.8 days, with typically 2.68" (68mm) of accumulated precipitation. In Mendon, during the entire year, the rain falls for 152.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 14h and 53min.
On the first day of the month, sunrise is at 5:14 am and sunset at 8:26 pm. On the last day of July, sunrise is at 5:39 am and sunset at 8:05 pm EDT.

Sunshine

In July, the average sunshine is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What part of the year is the hottest?

With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 62.6°F (17°C), July is the warmest month.

What are the temperatures in July?

In Mendon, 81.7°F (27.6°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in July?

The average relative humidity in July is 77%.

How much does it rain in July?

In July, the rain falls for 16.8 days. Throughout July, 2.68" (68mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in July?

In July, the average day length is 14h and 53min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:14 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:05 pm EDT.

How many hours of sunshine does Mendon have in July?

The average sunshine duration in July is 10h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

In Mendon, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
Mendon, MA

Average temperature in July - Mendon, 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 (32.5°F).

  • Average low temperature in July: 62.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in July
Mendon, MA

Average pressure in July - Mendon, MA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Mendon, MA

Average wind speed in July - Mendon, MA
  • Average wind speed in July: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in July
Mendon, MA

Average humidity in July - Mendon, MA
  • Average humidity in July: 77%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in July
Mendon, MA

Average rainfall in July - Mendon, MA
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in July
Mendon, MA

Average rainfall days in July - Mendon, MA
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in July
Mendon, MA

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

The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Mendon, MA

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

The month with the highest number of snowfall days is January (8.4 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
Mendon, MA

Average daylight in July / Average sunshine in July - Mendon, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Mendon, MA

Average sunshine days in July - Mendon, MA
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in July
Mendon, MA

Average UV index in July - Mendon, 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
Mendon, MA

Average cloud cover in July - Mendon, MA
  • Average cloud cover in July: 37

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in July
Mendon, MA

Average visibility in July - Mendon, MA
  • Average visibility in July: 5mi

The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).

Mendon, Massachusetts, USA

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