October weather forecastCastella, CA
October
Weather in October
October, like September, in Castella, California, is another refreshing autumn month, with an average temperature ranging between min 39.7°F (4.3°C) and max 63.9°F (17.7°C).Temperature
As September transitions to October, the average high-temperature falls from a warm 77.2°F (25.1°C) to an enjoyable 63.9°F (17.7°C). Castella records a consistent low-temperature average of 39.7°F (4.3°C) during October, indicating a significant difference from the daytime heat.Humidity
In Castella, the average relative humidity in October is 59%.Rainfall
In Castella, during October, the rain falls for 7.1 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Castella, during the entire year, the rain falls for 113.4 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Castella. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Castella, there are 28.7 snowfall days, and 45.51" (1156mm) of snow is accumulated.Daylight
In October, the average length of the day in Castella is 11h and 5min.On the first day of the month, sunrise is at 7:06 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:40 am and sunset at 6:05 pm PDT.
Sunshine
The average sunshine in October in Castella is 7.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In October, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Castella, CA
- Average high temperature in October: 63.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in October: 39.7°F
The months with the highest average low temperature are July and August (51.4°F).
The coldest month (with the lowest average low temperature) is December (26.8°F).
Average pressure in October
Castella, CA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in October
Castella, CA
- Average wind speed in October: 5.1mph
The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in October
Castella, CA
- Average humidity in October: 59%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (44%).
Average rainfall in October
Castella, CA
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is March (5.55").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in October
Castella, CA
- Average rainfall days in October: 7.1 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (2.7 days).
Average snowfall in October
Castella, CA
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (12.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Castella, CA
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is December (6.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Castella, CA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 7h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in October
Castella, CA
- Average sunshine days in October: 22.2 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in October
Castella, CA
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Castella, CA
- Average cloud cover in October: 20
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in October
Castella, CA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





