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 snowfall in October
- Average snowfall 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
Winchester's October weather features a light decline in high-temperatures, reducing from a warm 85.8°F (29.9°C) in September to a still moderately hot 77.9°F (25.5°C). Winchester documents a significant temperature variance in October, with the mean nighttime lows settling at a fresh 54.5°F (12.5°C).Humidity
The average relative humidity in October is 51%.Rainfall
In Winchester, during October, the rain falls for 3.3 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 55.7 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Winchester.Daylight
In October, the average length of the day is 11h and 20min.On the first day of October, sunrise is at 6:43 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:56 pm PDT.
Sunshine
The average sunshine in October is 8.8h.UV index
In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during October morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October in Winchester?
How many days does it rain in October?
When it does not snow?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Winchester have in October?
How high is the UV index in October?
Average temperature in October
Winchester, CA
- Average high temperature in October: 77.9°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in October: 54.5°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).
Average pressure in October
Winchester, CA
- Average pressure in October: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Winchester, CA
- Average wind speed in October: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in October
Winchester, CA
- Average humidity in October: 51%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in October
Winchester, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Winchester, CA
- Average rainfall days in October: 3.3 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in October
Winchester, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in October
Winchester, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
Winchester, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in October: 8h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in October
Winchester, CA
- Average sunshine days in October: 26.1 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in October
Winchester, CA
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Winchester, CA
- Average cloud cover in October: 12
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Winchester, 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).
Winchester, California, USA
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