July weather forecast
Truro, MA

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Weather in July

July is an agreeable summer month in Truro, Massachusetts, with an average temperature varying between 70.3°F (21.3°C) and 66.9°F (19.4°C).

Temperature

Truro in July observes a minor temperature shift, with average high-temperatures adjusting from a refreshing 62.4°F (16.9°C) in June to a pleasant 70.3°F (21.3°C). The temperature during July nights demonstrates a small drop from the daytime highs, settling to an average of 66.9°F (19.4°C).

Humidity

With an average relative humidity of 85%, July is the most humid month.

Rainfall

In Truro, Massachusetts, during July, the rain falls for 13.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Truro, there are 136.1 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

In Truro, snow does not fall in May through October.

Daylight

The average length of the day in July is 14h and 53min.
On the first day of July in Truro, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:59 pm EDT.

Sunshine

In Truro, the average sunshine in July is 10.4h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Truro. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What is the temperature in July in Truro?

July temperatures vary between a high-temperature of 70.3°F (21.3°C) and a low-temperature of 66.9°F (19.4°C).

What is the most humid month in Truro?

The most humid month in Truro is July, with an average relative humidity of 85%.

What is the average humidity in July in Truro?

The average relative humidity in July in Truro, Massachusetts, is 85%.

How much does it rain in Truro in July?

In Truro, Massachusetts, in July, it is raining for 13.3 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Truro?

May through October are months without snowfall.

What is the average length of the day in July in Truro?

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

When is the sunrise / sunset in July in Truro?

On the first day of July, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:59 pm EDT.

How long on average sun shines in July in Truro?

In Truro, Massachusetts, the average sunshine duration in July is 10.4h.

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

July and August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in July in Truro?

The average daily maximum UV index in July in Truro, Massachusetts, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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
Truro, MA

Average temperature in July - Truro, MA
  • Average high temperature in July: 70.3°F

The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).

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Average pressure in July
Truro, MA

Average pressure in July - Truro, MA
  • Average pressure in July: 29.95"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
Truro, MA

Average wind speed in July - Truro, MA
  • Average wind speed in July: 11.6mph

The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).

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Average humidity in July
Truro, MA

Average humidity in July - Truro, MA
  • Average humidity in July: 85%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in July
Truro, MA

Average rainfall in July - Truro, MA
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").

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Average rainfall days in July
Truro, MA

Average rainfall days in July - Truro, MA
  • Average rainfall days in July: 13.3 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in July
Truro, MA

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

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Truro, MA

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

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Truro, MA

Average daylight in July / Average sunshine in July - Truro, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in July
Truro, MA

Average sunshine days in July - Truro, MA
  • Average sunshine days in July: 16.4 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).

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Average UV index in July
Truro, MA

Average UV index in July - Truro, MA
  • Average UV index in July: 6

The months with the highest UV index are 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
Truro, MA

Average cloud cover in July - Truro, MA
  • Average cloud cover in July: 31

The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Truro, MA

Average visibility in July - Truro, 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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Truro, Massachusetts, USA

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