October weather forecastGraton, CA
October
Weather in October
October, like September, is an agreeable autumn month in Graton, California, with an average temperature fluctuating between 51.8°F (11°C) and 72.3°F (22.4°C).Temperature
The shift from September to October includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 79°F (26.1°C) to an agreeable 72.3°F (22.4°C). During October, the temperature is averaged to a low of 51.8°F (11°C) at night.Humidity
In October, the average relative humidity is 64%.Rainfall
In Graton, during October, the rain falls for 4.8 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Graton, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.Daylight
The average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 7:08 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:12 pm PDT.
Sunshine
The average sunshine in October is 6.9h.UV index
In Graton, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents 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:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Graton, CA
- Average high temperature in October: 72.3°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in October: 51.8°F
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in October
Graton, 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, August and September (29.92"Hg).
Average wind speed in October
Graton, CA
- Average wind speed in October: 5.1mph
The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in October
Graton, CA
- Average humidity in October: 64%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).
Average rainfall in October
Graton, CA
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Graton, CA
- Average rainfall days in October: 4.8 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in October /
Average sunshine in October
Graton, CA
- Average daylight in October: 11h and 12min
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 30min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in October
Graton, CA
- Average sunshine days in October: 24.8 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).
Average UV index in October
Graton, CA
- Average UV index in October: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Graton, CA
- Average cloud cover in October: 18
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in October
Graton, 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).





