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, Idaho, experiences a temperature shift with the start of July, with average high-temperatures moving from a pleasant 70°F (21.1°C) in June to a moderately hot 82.6°F (28.1°C). Princeton's July nights represent a significant downturn from the day's heat, with an average temperature of 54.7°F (12.6°C).Heat index
In July, the heat index is computed to be 82.4°F (28°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Princeton, the average relative humidity in July is 47%.Rainfall
July and August are months with the least rain in Princeton when the rain falls for 5.9 days and typically aggregates up to 0.47" (12mm) of rain.Snowfall
In Princeton, snow does not fall in June through August.Daylight
In July, the average length of the day in Princeton is 15h and 26min.On the first day of the month, sunrise is at 4:57 am and sunset at 8:45 pm. On the last day of July, sunrise is at 5:26 am and sunset at 8:20 pm PDT.
Sunshine
In Princeton, the average sunshine in July is 11.8h.UV index
The month with the highest UV index in Princeton is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Princeton during July?
What is the average humidity in July in Princeton?
What is the driest month in Princeton?
How many days does it rain in July in Princeton?
When it does not snow in Princeton?
What is the average length of the day in July in Princeton?
What time are sunrise and sunset in July in Princeton?
How long on average sun shines in July in Princeton?
What is the month with the highest UV index in Princeton?
What is the UV index intensity in July in Princeton?
Average temperature in July
Princeton, ID
- Average high temperature in July: 82.6°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in July: 54.7°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in July
Princeton, ID
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in July
Princeton, ID
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in July
Princeton, ID
- Average humidity in July: 47%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in July
Princeton, ID
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in July
Princeton, ID
- Average rainfall days in July: 5.9 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in July
Princeton, ID
- Average snowfall in July: 0"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Princeton, ID
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Princeton, ID
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 11h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in July
Princeton, ID
- Average sunshine days in July: 23.3 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in July
Princeton, ID
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in July
Princeton, ID
- Average cloud cover in July: 12
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in July
Princeton, ID
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Princeton, Idaho, USA
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