July weather forecastPrinceton, NC
July
Weather in July
July in Princeton, North Carolina, is a tropical summer month, with an average temperature varying between 88.3°F (31.3°C) and 71.2°F (21.8°C).Temperature
The month of July, characterized by an average high of 88.3°F (31.3°C) and a low of 71.2°F (21.8°C), is recognized as the warmest.Heat index
The heat index value for July is appraised at an extremely hot 104°F (40°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In July, the average relative humidity is 76%.Rainfall
In Princeton, in July, it is raining for 17.8 days, with typically 3.03" (77mm) of accumulated precipitation. In Princeton, during the entire year, the rain falls for 161 days and collects up to 32.95" (837mm) of precipitation.Snowfall
In Princeton, North Carolina, snow does not fall in April through November.Daylight
In Princeton, the average length of the day in July is 14h and 17min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:31 pm. On the last day of July, sunrise is at 6:20 am and sunset at 8:17 pm EDT.
Sunshine
The months with the most sunshine are June and July, with an average of 10.5h of sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in July translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Princeton, NC
- Average high temperature in July: 88.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in July: 71.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in July
Princeton, NC
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in July
Princeton, NC
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in July
Princeton, NC
- Average humidity in July: 76%
The months with the highest relative humidity are August and September (78%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in July
Princeton, NC
- Average rainfall in July: 3.03"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in July
Princeton, NC
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in July
Princeton, NC
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Princeton, NC
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Princeton, NC
- Average daylight in July: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 10h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in July
Princeton, NC
- Average sunshine days in July: 10.1 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in July
Princeton, NC
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in July
Princeton, NC
- Average cloud cover in July: 33
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in July
Princeton, NC
- 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).





