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 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
With average temperatures fluctuating between a high of 98.8°F (37.1°C) and a low of 61.5°F (16.4°C), July stands out as the warmest month.Humidity
In July, the average relative humidity is 37%.Rainfall
The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.Daylight
In Princeton, California, the average length of the day in July is 14h and 37min.On the first day of July in Princeton, California, sunrise is at 5:45 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:21 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index in Princeton. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 7 during July, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the warmest months in Princeton?
How hot is it in Princeton in July?
What is the average humidity in July in Princeton?
What is the driest month in Princeton?
How much does it rain in Princeton in July?
How many hours of daylight does Princeton have in July?
When is the sunrise / sunset in July in Princeton?
What month has the most sunshine in Princeton?
How long on average sun shines in July in Princeton?
When is the highest UV index in Princeton?
What is the UV index intensity in July in Princeton?
Average temperature in July
Princeton, CA
- Average high temperature in July: 98.8°F
The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in July: 61.5°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in July
Princeton, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Princeton, CA
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in July
Princeton, CA
- Average humidity in July: 37%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).
Average rainfall in July
Princeton, CA
- Average rainfall in July: 0.04"
The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Princeton, CA
- Average rainfall days in July: 1 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).
Average daylight in July /
Average sunshine in July
Princeton, CA
- Average daylight in July: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 12h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in July
Princeton, CA
- Average sunshine days in July: 29.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).
Average UV index in July
Princeton, CA
- Average UV index in July: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in July
Princeton, CA
- Average cloud cover in July: 4
The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in July
Princeton, CA
- 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).
Princeton, California, USA
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