July weather forecast
Mendon, MA

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Weather in July

July, like June, in Mendon, Massachusetts, is another warm summer month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.7°F (27.6°C).

Temperature

In Mendon, the peak average temperatures are observed in July, with a high of 81.7°F (27.6°C) and a low of 62.6°F (17°C).

Heat index

The heat index value during July is calculated to be a tropical 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

The average relative humidity in July in Mendon is 77%.

Rainfall

In Mendon, in July, it is raining for 16.8 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 152.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Mendon, Massachusetts.

Daylight

In July, the average length of the day in Mendon 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 in Mendon, Massachusetts, is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What part of the year is the hottest in Mendon?

With average temperatures fluctuating between a high of 81.7°F (27.6°C) and a low of 62.6°F (17°C), July stands out as the warmest month.

What are the temperatures in Mendon in July?

In July, the average high-temperature and low-temperature in Mendon, Massachusetts, are 81.7°F (27.6°C) and 62.6°F (17°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July in Mendon?

In Mendon, Massachusetts, the average relative humidity in July is 77%.

How many days does it rain in July in Mendon?

In Mendon, Massachusetts, during July, the rain falls for 16.8 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Mendon?

June through October are months without snowfall.

How many hours of daylight does Mendon have in July?

The average day length in July in Mendon, Massachusetts, is 14h and 53min.

When is the sunrise / sunset in July in Mendon?

On the first day of July in Mendon, Massachusetts, 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 long on average sun shines in July in Mendon?

In Mendon, the average sunshine duration in July is 10h.

What are the months with the highest UV index in Mendon?

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

What is the UV index reading in July in Mendon?

In Mendon, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Mendon, Massachusetts, USA

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