October weather forecastRedwood City, CA
October
Weather in October
October, the same as September, in Redwood City, California, is another pleasant autumn month, with an average temperature fluctuating between 68.5°F (20.3°C) and 55°F (12.8°C).Temperature
Redwood City records an average high-temperature of a still pleasant 68.5°F (20.3°C) as October arrives, nearly mirroring the previous month's climate. October sees the temperature falling to a mean low of 55°F (12.8°C).Humidity
The least humid month is October, with an average relative humidity of 68%.Rainfall
In October, the rain falls for 5 days. Throughout October, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 73.4 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Ocean temperature
In October, the average ocean temperature is 57.4°F (14.1°C).Note: Diving into 57.4°F (14.1°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
Daylight
In Redwood City, the average length of the day in October is 11h and 13min.On the first day of October, sunrise is at 7:05 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 average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during October translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Redwood City, CA
- Average high temperature in October: 68.5°F
The warmest months (with the highest average high temperature) are July and August (73°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in October: 55°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in October
Redwood City, CA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in October
Redwood City, CA
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.5mph).
Average humidity in October
Redwood City, CA
- Average humidity in October: 68%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Redwood City, CA
- Average rainfall in October: 0.55"
The wettest month (with the highest rainfall) is February (2.36").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Redwood City, CA
- Average rainfall days in October: 5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (0.8 days).
Average sea temperature in October
Redwood City, CA
- Average sea temperature in October: 57.4°F
The best months for swimming (with the highest average sea temperature) are August and September (57.7°F).
The coldest month (with the lowest average sea temperature) is April (53.4°F).
Average daylight in October /
Average sunshine in October
Redwood City, CA
- Average daylight in October: 11h and 12min
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 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
Redwood City, CA
- Average sunshine days in October: 24.4 days
The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in October
Redwood City, CA
- Average UV index in October: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in October
Redwood City, CA
- Average cloud cover in October: 17
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in October
Redwood City, 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).
