Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July, recording an average high temperature of 77.5°F (25.3°C) and a low temperature of 65.8°F (18.8°C), is Plymouth's warmest month.Humidity
With an average relative humidity of 80%, July is the most humid month.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 Plymouth, the average seawater temperature in July is 66.2°F (19°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 66.2°F (19°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Plymouth, the average length of the day in July is 14h and 53min.On the first day of July, sunrise is at 5:11 am and sunset at 8:21 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 is 10.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Plymouth. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in July transforms into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What are July temperatures?
What is the most humid month?
What is the average humidity in July?
What is the wettest month?
How many days does it rain in July?
When it does not snow?
How cold is the water in July?
How many hours of daylight does Plymouth have in July?
When are sunrise and sunset in July?
How many hours of sunshine does Plymouth have in July?
What is the month with the highest UV index in Plymouth?
What is the UV index reading in July?
Average temperature in July
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
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
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
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
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
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
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
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
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
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
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
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
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
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).
Plymouth, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location