July weather forecast
Littleton Common, MA

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Weather in July

July, the same as June, is a moderately hot summer month in Littleton Common, Massachusetts, with an average temperature varying between 63.1°F (17.3°C) and 82.2°F (27.9°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 82.2°F (27.9°C) and a low of 63.1°F (17.3°C).

Heat index

The heat index for July is evaluated at a tropical 87.8°F (31°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in July in Littleton Common is 74%.

Rainfall

In July, in Littleton Common, the rain falls for 14.9 days. Throughout July, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Littleton Common, there are 140.4 rainfall days, and 27.13" (689mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day in Littleton Common is 14h and 56min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:27 pm. On the last day of July, in Littleton Common, sunrise is at 5:37 am and sunset at 8:06 pm EDT.

Sunshine

In Littleton Common, Massachusetts, the average sunshine in July 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 health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during July leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What part of the year is the hottest in Littleton Common?

July temperatures in Littleton Common tend to peak at an average high of 82.2°F (27.9°C) and dip to a low of 63.1°F (17.3°C).

What are the temperatures in Littleton Common in July?

The average high-temperature, in July, in Littleton Common, is 82.2°F (27.9°C), while the average low-temperature is 63.1°F (17.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in July in Littleton Common?

In Littleton Common, the average relative humidity in July is 74%.

How many days does it rain in July in Littleton Common?

In July, in Littleton Common, the rain falls for 14.9 days. Throughout July, 2.13" (54mm) of precipitation is accumulated.

When it does not snow in Littleton Common?

June through September are months without snowfall in Littleton Common.

What is the average length of the day in July in Littleton Common?

In Littleton Common, the average day length in July is 14h and 56min.

What time are sunrise and sunset in July in Littleton Common?

On the first day of July in Littleton Common, Massachusetts, sunrise is at 5:12 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:06 pm EDT.

How long on average sun shines in July in Littleton Common?

In Littleton Common, Massachusetts, the average sunshine duration in July is 10.2h.

When is the highest UV index in Littleton Common?

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

What is the UV index intensity in July in Littleton Common?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Littleton Common, MA

Average temperature in July - Littleton Common, MA
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in July
Littleton Common, MA

Average pressure in July - Littleton Common, 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).

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Average wind speed in July
Littleton Common, MA

Average wind speed in July - Littleton Common, MA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Littleton Common, MA

Average humidity in July - Littleton Common, MA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in July
Littleton Common, MA

Average rainfall in July - Littleton Common, MA
  • Average rainfall in July: 2.13"

The wettest month (with the highest rainfall) is December (2.72").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in July
Littleton Common, MA

Average rainfall days in July - Littleton Common, MA
  • Average rainfall days in July: 14.9 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in July
Littleton Common, MA

Average snowfall in July - Littleton Common, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Littleton Common, MA

Average snowfall days in July - Littleton Common, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Littleton Common, MA

Average daylight in July / Average sunshine in July - Littleton Common, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in July
Littleton Common, MA

Average sunshine days in July - Littleton Common, MA
  • Average sunshine days in July: 14.6 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in July
Littleton Common, MA

Average UV index in July - Littleton Common, 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
Littleton Common, MA

Average cloud cover in July - Littleton Common, 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 33).

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Average visibility in July
Littleton Common, MA

Average visibility in July - Littleton Common, MA
  • Average visibility in July: 6mi

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

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Littleton Common, Massachusetts, USA

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