July weather forecast
Duxbury, MA

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Weather in July

July in Duxbury, Massachusetts, is a moderately hot summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 75.7°F (24.3°C).

Temperature

Peak temperatures are observed in July and August, averaging a high-temperature of 75.7°F (24.3°C).

Humidity

The months with the highest humidity are June and July, with an average relative humidity of 80%.

Rainfall

July is the month with the most rainfall. Rain falls for 13.2 days and accumulates 1.34" (34mm) of precipitation.

Snowfall

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

Ocean temperature

In July, the average ocean temperature is 65.8°F (18.8°C).
Note: Swimming in 65.8°F (18.8°C) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 69.8°F (21°C).

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 5:35 am and sunset at 8:02 pm EDT.

Sunshine

In July, the average sunshine is 10.4h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Duxbury. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July and August are the warmest months, with an average high-temperature of 75.7°F (24.3°C).

What is the average July temperature in Duxbury?

In Duxbury, in July, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 65.8°F (18.8°C).

What are the most humid months in Duxbury?

The months with the highest humidity are June and July, with an average relative humidity of 80%.

What is the average humidity in July?

In July, the average relative humidity is 80%.

What is the wettest month?

July is the month with the most rainfall. Rain falls for 13.2 days and accumulates 1.34" (34mm) of precipitation.

How much does it rain in July?

In Duxbury, in July, during 13.2 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the ocean temperature in July?

In Duxbury, in July, the average water temperature is 65.8°F (18.8°C). For most, swimming in 65.8°F (18.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Duxbury have in July?

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

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:02 pm EDT.

How many hours of sunshine does Duxbury have in July?

The average sunshine duration in July is 10.4h.

When is the highest UV index?

July and 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 Duxbury, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes 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
Duxbury, MA

Average temperature in July - Duxbury, MA
  • Average high temperature in July: 75.7°F

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in July: 65.8°F

The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in July
Duxbury, MA

Average pressure in July - Duxbury, 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
Duxbury, MA

Average wind speed in July - Duxbury, MA
  • Average wind speed in July: 8.3mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in July
Duxbury, MA

Average humidity in July - Duxbury, MA
  • Average humidity in July: 80%

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).

Average rainfall in July
Duxbury, MA

Average rainfall in July - Duxbury, MA
  • Average rainfall in July: 1.34"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in July
Duxbury, MA

Average rainfall days in July - Duxbury, MA
  • Average rainfall days in July: 13.2 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in July
Duxbury, MA

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Duxbury, MA

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

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in July
Duxbury, MA

Average sea temperature in July - Duxbury, MA
  • Average sea temperature in July: 65.9°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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

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

Average sunshine days in July
Duxbury, MA

Average sunshine days in July - Duxbury, MA
  • Average sunshine days in July: 15.7 days

The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in July
Duxbury, MA

Average UV index in July - Duxbury, 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).

Average cloud cover in July
Duxbury, MA

Average cloud cover in July - Duxbury, 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
Duxbury, MA

Average visibility in July - Duxbury, 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).

Duxbury, Massachusetts, USA

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