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 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
The beginning of October subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 76.5°F (24.7°C) in September to a pleasant 70.3°F (21.3°C). Menlo Park records an average low-temperature of 54.5°F (12.5°C) throughout the month of October.Humidity
September and October, with an average relative humidity of 65%, are the least humid months.Rainfall
In Menlo Park, in October, it is raining for 3.5 days, with typically 0.43" (11mm) of accumulated precipitation. In Menlo Park, during the entire year, the rain falls for 63.3 days and collects up to 9.53" (242mm) of precipitation.Daylight
The average length of the day in October is 11h and 13min.On the first day of October, sunrise is at 7:04 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:11 pm PDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In October, an average UV index of 5 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
How many hours of daylight does Menlo Park have in October?
When are sunrise and sunset in October?
How long on average sun shines in October in Menlo Park?
What is the month with the highest UV index?
How high is the UV index in October?
Average temperature in October
Menlo Park, CA
- Average high temperature in October: 70.3°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 October: 54.5°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 October
Menlo Park, CA
- Average pressure in October: 29.99"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 October
Menlo Park, CA
- Average wind speed in October: 4.9mph
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 October
Menlo Park, CA
- Average humidity in October: 65%
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 October
Menlo Park, CA
- Average rainfall in October: 0.43"
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 October
Menlo Park, CA
- Average rainfall days in October: 3.5 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 October /
Average sunshine in October
Menlo Park, CA
- Average daylight in October: 11h and 1min
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 October: 7h 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 October
Menlo Park, CA
- Average sunshine days in October: 26.5 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 October
Menlo Park, CA
- Average UV index in October: 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 October
Menlo Park, CA
- Average cloud cover in October: 16
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 October
Menlo Park, CA
- Average visibility in October: 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).
Menlo Park, California, USA
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