July weather forecast
North Plymouth, MA

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Weather in July

July is a warm summer month in North Plymouth, Massachusetts, with an average temperature varying between 65.8°F (18.8°C) and 77.5°F (25.3°C).

Temperature

North Plymouth's July weather reaches an average high of 77.5°F (25.3°C) and an average low of 65.8°F (18.8°C), making it the warmest month.

Humidity

The most humid month is July, with an average relative humidity of 80%.

Rainfall

The wettest months are July and October, with an average 1.65" (42mm) of rainfall.

Snowfall

May through October are months without snowfall.

Ocean temperature

In North Plymouth, the average seawater temperature in July is 66.2°F (19°C).
Note: Most individuals do not find swimming at 66.2°F (19°C) to be enjoyable. As the water temperature declines below 69.8°F (21°C), maintaining control over one's breathing becomes harder.

Daylight

In July, the average length of the day is 14h and 53min.
On the first day of July, sunrise is at 5:11 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:02 pm EDT.

Sunshine

The average sunshine in July in North Plymouth 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 estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

In North Plymouth, July registers the highest temperatures, averaging 77.5°F (25.3°C) at the peak and 65.8°F (18.8°C) at the lowest.

What are July temperatures in North Plymouth?

North Plymouth in July has an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 65.8°F (18.8°C).

What is the most humid month?

July is the most humid month, with an average relative humidity of 80%.

What is the average humidity in July?

In North Plymouth, Massachusetts, the average relative humidity in July is 80%.

What is the rainiest month?

The months with the most rainfall are July and October, with an average 1.65" (42mm) of precipitation.

How many days does it rain in July?

In North Plymouth, in July, during 14 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in North Plymouth?

May through October are months without snowfall.

How cold is the water in July?

In North Plymouth, the average seawater temperature in July is 66.2°F (19°C). Swimming in 66.2°F (19°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does North Plymouth have in July?

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

When are sunrise and sunset in July?

On the first day of July in North Plymouth, Massachusetts, sunrise is at 5:11 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:02 pm EDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.3h.

What is the month with the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes 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
North Plymouth, MA

Average temperature in July - North Plymouth, MA
  • Average high temperature in July: 77.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in July
North Plymouth, MA

Average pressure in July - North Plymouth, 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).

Average wind speed in July
North Plymouth, MA

Average wind speed in July - North Plymouth, MA
  • Average wind speed in July: 8mph

The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in July
North Plymouth, MA

Average humidity in July - North Plymouth, MA
  • Average humidity in July: 80%

The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and November (74%).

Average rainfall in July
North Plymouth, MA

Average rainfall in July - North Plymouth, MA
  • Average rainfall in July: 1.65"

The wettest months (with the highest rainfall) are July and October (1.65").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in July
North Plymouth, MA

Average rainfall days in July - North Plymouth, MA
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in July
North Plymouth, MA

Average snowfall in July - North Plymouth, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
North Plymouth, MA

Average snowfall days in July - North Plymouth, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July
North Plymouth, MA

Average sea temperature in July - North Plymouth, MA
  • Average sea temperature in July: 66.2°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

Average daylight in July /
Average sunshine in July
North Plymouth, MA

Average daylight in July / Average sunshine in July - North Plymouth, 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 months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in July
North Plymouth, MA

Average sunshine days in July - North Plymouth, MA
  • Average sunshine days in July: 14.8 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in July
North Plymouth, MA

Average UV index in July - North Plymouth, 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
North Plymouth, MA

Average cloud cover in July - North Plymouth, MA
  • Average cloud cover in July: 32

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in July
North Plymouth, MA

Average visibility in July - North Plymouth, 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).

North Plymouth, Massachusetts, USA

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