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
July and August, with an average high-temperature of 77.5°F (25.3°C), are the warmest months.Humidity
The average relative humidity in July in Palo Alto, California, is 66%.Rainfall
The only month without rainfall is July.Daylight
In Palo Alto, the average length of the day in July is 14h and 26min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:12 am and sunset at 8:17 pm PDT.
Sunshine
With an average of 12.1h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What time of the year is the hottest in Palo Alto?
What are the temperatures in Palo Alto in July?
What is the average humidity in July in Palo Alto?
What is the driest month in Palo Alto?
Does it rain in Palo Alto in July?
How many hours of daylight does Palo Alto have in July?
When are sunrise and sunset in July in Palo Alto?
What month has the most sunshine in Palo Alto?
How long on average sun shines in July in Palo Alto?
What are the months with the highest UV index in Palo Alto?
How high is the UV index in July in Palo Alto?
Average temperature in July
Palo Alto, CA
- Average high temperature in July: 77.5°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in July: 55.4°F
The month with the highest average low temperature is August (57°F).
The coldest months (with the lowest average low temperature) are January and February (45.1°F).
Average pressure in July
Palo Alto, CA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in July
Palo Alto, CA
- Average wind speed in July: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.9mph).
Average humidity in July
Palo Alto, CA
- Average humidity in July: 66%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in July
Palo Alto, CA
- Average rainfall in July: 0"
The wettest month (with the highest rainfall) is February (2.01").
The driest month (with the least rainfall) is July (0").
Average rainfall days in July
Palo Alto, CA
- Average rainfall days in July: 0.8 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.6 days).
Average daylight in July /
Average sunshine in July
Palo Alto, CA
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- 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 54min).
Average sunshine days in July
Palo Alto, CA
- Average sunshine days in July: 30.2 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (18 days).
Average UV index in July
Palo Alto, CA
- Average UV index in July: 5
The months with the highest UV index are April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in July
Palo Alto, CA
- Average cloud cover in July: 6
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in July
Palo Alto, 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).
Palo Alto, California, USA
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