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
The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 82.4°F (28°C) to a pleasant 73.2°F (22.9°C). Nightly average temperatures in October reveal a significant dip from daytime highs, registering a consistent a chilly 48.7°F (9.3°C).Humidity
The average relative humidity in October is 60%.Rainfall
In October, in Preston, California, the rain falls for 5.5 days. Throughout October, 1.22" (31mm) of precipitation is accumulated. In Preston, during the entire year, the rain falls for 82.4 days and collects up to 20.75" (527mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in October in Preston is 11h and 10min.On the first day of the month, sunrise is at 7:08 am and sunset at 6:54 pm. On the last day of October, in Preston, sunrise is at 7:38 am and sunset at 6:12 pm PDT.
Sunshine
In Preston, the average sunshine in October is 6.9h.UV index
In Preston, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during October leads to these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Preston in October?
What is the average humidity in October in Preston?
How much does it rain in Preston in October?
When it does not snow in Preston?
What is the average length of the day in October in Preston?
When is the sunrise / sunset in October in Preston?
How many hours of sunshine does Preston have in October?
How high is the UV index in October in Preston?
Average temperature in October
Preston, CA
- Average high temperature in October: 73.2°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in October: 48.7°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in October
Preston, 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
Preston, CA
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in October
Preston, CA
- Average humidity in October: 60%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and September (57%).
Average rainfall in October
Preston, CA
- Average rainfall in October: 1.22"
The wettest month (with the highest rainfall) is February (4.25").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Preston, CA
- Average rainfall days in October: 5.5 days
The month with the highest number of rainy days is March (14.6 days).
The months with the least rainy days are July and August (1.2 days).
Average snowfall in October
Preston, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.16").
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
Preston, 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
Preston, CA
- Average daylight in October: 11h and 1min
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 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in October
Preston, CA
- Average sunshine days in October: 24.5 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in October
Preston, CA
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in October
Preston, CA
- Average cloud cover in October: 19
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in October
Preston, 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).
Preston, California, USA
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