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
In Santa Rosa, the average high-temperature in October slightly decreases from a moderately hot 79°F (26.1°C) in September to a pleasant 72.3°F (22.4°C). In Santa Rosa, in October, the average low-temperature is 51.8°F (11°C).Humidity
The average relative humidity in October in Santa Rosa, California, is 64%.Rainfall
In Santa Rosa, California, during 4.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Santa Rosa, 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 7:06 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:12 pm PDT.
Sunshine
In Santa Rosa, the average sunshine in October is 6.9h.UV index
In October, the average daily maximum UV index in Santa Rosa is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in October in Santa Rosa?
What is the average humidity in October in Santa Rosa?
How many days does it rain in October in Santa Rosa?
What is the average length of the day in October in Santa Rosa?
When are sunrise and sunset in October in Santa Rosa?
How long on average sun shines in October in Santa Rosa?
What is the UV index reading in October in Santa Rosa?
Average temperature in October
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, CA
- Average daylight in October: 11h and 11min
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 32min).
- 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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
Santa Rosa, 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).
Weather forecast for your location
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