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 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
Princeton experiences its highest temperatures in July, with an average peak of 80.4°F (26.9°C) and a low of 61.3°F (16.3°C).Humidity
The average relative humidity in July is 76%.Rainfall
The wettest months are June and July, with an average 1.3" (33mm) of rainfall.Snowfall
In Princeton, Massachusetts, snow does not fall in June through September.Daylight
In July, the average length of the day is 14h and 56min.On the first day of the month, sunrise is at 5:14 am and sunset at 8:28 pm. On the last day of July, in Princeton, sunrise is at 5:39 am and sunset at 8:08 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.8h of sunshine.UV index
July is the month with the highest UV index in Princeton, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 6 in July leads to these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What is the usual temperature for Princeton in July?
What is the average humidity in July?
What is the rainiest month in Princeton?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Princeton have in July?
What time are sunrise and sunset in July in Princeton?
What is the month with the most sunshine?
How long on average sun shines in July in Princeton?
What is the month with the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Princeton, MA
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in July: 61.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in July
Princeton, MA
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Princeton, MA
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in July
Princeton, MA
- Average humidity in July: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in July
Princeton, MA
- Average rainfall in July: 1.3"
The wettest months (with the highest rainfall) are June and July (1.3").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in July
Princeton, 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 February (4.4 days).
Average snowfall in July
Princeton, MA
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Princeton, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Princeton, 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 6min).
- Average sunshine in July: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in July
Princeton, MA
- Average sunshine days in July: 14.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in July
Princeton, MA
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in July
Princeton, MA
- Average cloud cover in July: 39
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in July
Princeton, MA
- Average visibility in July: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Princeton, Massachusetts, USA
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