October weather forecastNicasio, CA
October
Weather in October
October, the same as September, in Nicasio, California, is another pleasant autumn month, with an average temperature ranging between max 70.5°F (21.4°C) and min 53.4°F (11.9°C).Temperature
Stepping into October, Nicasio records an average high-temperature of a pleasant 70.5°F (21.4°C), almost consistent with September. October's nights observe an average temperature of 53.4°F (11.9°C).Humidity
October is the least humid month in Nicasio, with an average relative humidity of 66%.Rainfall
In Nicasio, in October, during 4.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 68.4 rainfall days, and 7.28" (185mm) of precipitation is accumulated.Daylight
The average length of the day in October is 11h and 11min.On the first day of October in Nicasio, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:12 pm PDT.
Sunshine
The average sunshine in October is 7h.UV index
In Nicasio, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in October interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Nicasio, CA
- Average high temperature in October: 70.5°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in October: 53.4°F
The month with the highest average low temperature is September (55.8°F).
The coldest month (with the lowest average low temperature) is December (43.9°F).
Average pressure in October
Nicasio, 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
Nicasio, CA
- Average wind speed in October: 5.2mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in October
Nicasio, CA
- Average humidity in October: 66%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in October
Nicasio, CA
- Average rainfall in October: 0.39"
The wettest month (with the highest rainfall) is February (1.65").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in October
Nicasio, CA
- Average rainfall days in October: 4.2 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (2 days).
Average daylight in October /
Average sunshine in October
Nicasio, 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 36min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in October
Nicasio, CA
- Average sunshine days in October: 24.9 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (18.5 days).
Average UV index in October
Nicasio, 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
Nicasio, CA
- Average cloud cover in October: 19
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 14).
Average visibility in October
Nicasio, 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).





