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
San Rafael records a slight change with October's average high-temperatures adjusting to a still pleasant 68.9°F (20.5°C) from September's 72.3°F (22.4°C). Throughout the month of October, San Rafael witnesses an average low-temperature of 54.3°F (12.4°C).Humidity
October is the least humid month, with an average relative humidity of 68%.Rainfall
In San Rafael, in October, during 2.6 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In San Rafael, during the entire year, the rain falls for 48 days and collects up to 3.94" (100mm) of precipitation.Daylight
In October, the average length of the day is 11h and 11min.On the first day of October, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:11 pm PDT.
Sunshine
In San Rafael, the average sunshine in October is 6.8h.UV index
The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In October, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Rafael in October?
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 San Rafael have in October?
When are sunrise and sunset in October?
How many hours of sunshine does San Rafael have in October?
What is the UV index reading in October?
Average temperature in October
San Rafael, CA
- Average high temperature in October: 68.9°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in October: 54.3°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in October
San Rafael, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in October
San Rafael, CA
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in October
San Rafael, CA
- Average humidity in October: 68%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
San Rafael, CA
- Average rainfall in October: 0.12"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in October
San Rafael, CA
- Average rainfall days in October: 2.6 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in October /
Average sunshine in October
San Rafael, CA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in October
San Rafael, CA
- Average sunshine days in October: 26.2 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in October
San Rafael, CA
- Average UV index in October: 4
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
San Rafael, CA
- Average cloud cover in October: 21
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in October
San Rafael, 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).
San Rafael, California, USA
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