July weather forecast
Osterville, MA

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Weather in July

July in Osterville, Massachusetts, is an agreeable summer month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 72°F (22.2°C).

Temperature

As July begins, there's a slight increase in the average high-temperature, moving from an enjoyable 63.9°F (17.7°C) in June to a pleasant 72°F (22.2°C). July introduces a small decrease to a nighttime average of 67.6°F (19.8°C).

Humidity

July is the most humid month, with an average relative humidity of 84%.

Rainfall

In Osterville, in July, it is raining for 15.1 days, with typically 2.05" (52mm) of accumulated precipitation. In Osterville, during the entire year, the rain falls for 157.2 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

May through November are months without snowfall.

Ocean temperature

In July, the average ocean temperature is 65.8°F (18.8°C).
Note: When the surface water temperature is 65.8°F (18.8°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 69.8°F (21°C).

Daylight

The average length of the day in July is 14h and 50min.
On the first day of the month, sunrise is at 5:11 am and sunset at 8:19 pm. On the last day of July, sunrise is at 5:35 am and sunset at 8:00 pm EDT.

Sunshine

In July, the average sunshine is 10.6h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature?

In July, the average high-temperature and low-temperature are 72°F (22.2°C) and 67.6°F (19.8°C) respectively.

What is the most humid month in Osterville?

With an average relative humidity of 84%, July is the most humid month.

What is the average humidity in July?

In July, the average relative humidity is 84%.

How many days does it rain in July?

In Osterville, during July, the rain falls for 15.1 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow?

May through November are months without snowfall.

What is the ocean temperature in July?

In July, the average ocean 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).

What is the average length of the day in July?

In July, the average day length is 14h and 50min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:11 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:00 pm EDT.

How many hours of sunshine does Osterville have in July?

In Osterville, the average sunshine duration in July is 10.6h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In Osterville, 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 unprotected exposure to 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
Osterville, MA

Average temperature in July - Osterville, MA
  • Average high temperature in July: 72°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in July: 67.6°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in July
Osterville, MA

Average pressure in July - Osterville, MA
  • Average pressure in July: 29.96"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
Osterville, MA

Average wind speed in July - Osterville, MA
  • Average wind speed in July: 10.7mph

The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).

Average humidity in July
Osterville, MA

Average humidity in July - Osterville, MA
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).

Average rainfall in July
Osterville, MA

Average rainfall in July - Osterville, MA
  • Average rainfall in July: 2.05"

The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").

Average rainfall days in July
Osterville, MA

Average rainfall days in July - Osterville, MA
  • Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in July
Osterville, MA

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

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in July
Osterville, MA

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

The month with the highest number of snowfall days is February (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
Osterville, MA

Average sea temperature in July - Osterville, MA
  • Average sea temperature in July: 65.8°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in July
Osterville, MA

Average sunshine days in July - Osterville, MA
  • Average sunshine days in July: 14.9 days

The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in July
Osterville, MA

Average UV index in July - Osterville, 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
Osterville, MA

Average cloud cover in July - Osterville, MA
  • Average cloud cover in July: 29

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
Osterville, MA

Average visibility in July - Osterville, 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).

Osterville, Massachusetts, USA

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