Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In Palo Alto, the months of July and August register the highest average temperatures, peaking at 77.5°F (25.3°C).Humidity
In Palo Alto, the average relative humidity in August is 68%.Rainfall
January through June, August through December are months with rainfall. August is the first month it rains. Throughout August, in the average 0.6 rainfall days, it receives 0.04" (1mm) of precipitation. Throughout the year, in Palo Alto, there are 63.3 rainfall days, and 9.53" (242mm) of precipitation is accumulated.Daylight
In August, the average length of the day in Palo Alto is 13h and 34min.On the first day of August in Palo Alto, sunrise is at 6:13 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:38 pm PDT.
Sunshine
The average sunshine in August in Palo Alto is 12h.UV index
April through October, with an average maximum UV index of 5, are months with the highest UV index in Palo Alto. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What part of the year is the hottest in Palo Alto?
What is the temperature in August in Palo Alto?
What is the average humidity in August in Palo Alto?
When does it start raining in Palo Alto?
What is the average length of the day in August in Palo Alto?
What time are sunrise and sunset in August in Palo Alto?
How many hours of sunshine does Palo Alto have in August?
What are the months with the highest UV index in Palo Alto?
What is the UV index reading in August in Palo Alto?
Average temperature in August
Palo Alto, CA
- Average high temperature in August: 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 August: 57°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 August
Palo Alto, CA
- Average pressure in August: 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 August
Palo Alto, CA
- Average wind speed in August: 5mph
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 August
Palo Alto, CA
- Average humidity in August: 68%
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 August
Palo Alto, CA
- Average rainfall in August: 0.04"
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 August
Palo Alto, CA
- Average rainfall days in August: 0.6 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 August /
Average sunshine in August
Palo Alto, CA
- Average daylight in August: 13h and 4min
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 August: 12h and 0min
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 August
Palo Alto, CA
- Average sunshine days in August: 29.5 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 August
Palo Alto, CA
- Average UV index in August: 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 August
Palo Alto, CA
- Average cloud cover in August: 8
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 August
Palo Alto, CA
- Average visibility in August: 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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