Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Palo Alto's October weather features a mild decline in high-temperatures, reducing from an agreeable 73°F (22.8°C) in September to a refreshing 60.8°F (16°C). During October nights, Palo Alto witnesses a consistent average temperature of 44.6°F (7°C).Humidity
The average relative humidity in October in Palo Alto is 81%.Rainfall
In Palo Alto, in October, during 13.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Palo Alto, there are 172.9 rainfall days, and 34.21" (869mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 39.7 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 7min.On the first day of the month, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of October, in Palo Alto, sunrise is at 7:34 am and sunset at 6:01 pm EDT.
Sunshine
In October, the average sunshine is 5.2h.UV index
In Palo Alto, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 3 during October translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the temperature in October in Palo Alto?
What is the average humidity in October in Palo Alto?
How much does it rain in Palo Alto in October?
When does it start snowing in Palo Alto?
How many hours of daylight does Palo Alto have in October?
When is the sunrise / sunset in October in Palo Alto?
How many hours of sunshine does Palo Alto have in October?
What is the UV index intensity in October in Palo Alto?
Average temperature in October
Palo Alto, PA
- Average high temperature in October: 60.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in October
Palo Alto, PA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Palo Alto, PA
- Average wind speed in October: 6.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in October
Palo Alto, PA
- Average humidity in October: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in October
Palo Alto, PA
- Average rainfall in October: 2.95"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in October
Palo Alto, PA
- Average rainfall days in October: 13.9 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).
Average snowfall in October
Palo Alto, PA
- Average snowfall in October: 0.43"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Palo Alto, PA
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Palo Alto, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in October
Palo Alto, PA
- Average sunshine days in October: 13.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in October
Palo Alto, PA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Palo Alto, PA
- Average cloud cover in October: 45
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Palo Alto, PA
- Average visibility in October: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Palo Alto, Pennsylvania, USA
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