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
The commencement of October includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 84.2°F (29°C) in September to a still warm 76.8°F (24.9°C). In Alpine, the expected average low-temperature for October is a mild 56.3°F (13.5°C).Humidity
In October, the average relative humidity is 54%.Rainfall
In October, the rain falls for 3.4 days. Throughout October, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Daylight
In October, the average length of the day in Alpine is 11h and 21min.On the first day of the month, sunrise is at 6:41 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:04 am and sunset at 5:56 pm PDT.
Sunshine
In Alpine, the average sunshine in October is 9.2h.UV index
In Alpine, California, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during October translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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 October temperatures?
What is the average humidity in October?
How much does it rain in October?
How many hours of daylight does Alpine have in October?
When are sunrise and sunset in October?
How many hours of sunshine does Alpine have in October?
What is the UV index intensity in October?
Average temperature in October
Alpine, CA
- Average high temperature in October: 76.8°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in October: 56.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in October
Alpine, CA
- Average pressure in October: 29.92"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Alpine, CA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in October
Alpine, CA
- Average humidity in October: 54%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in October
Alpine, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in October
Alpine, CA
- Average rainfall days in October: 3.4 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average daylight in October /
Average sunshine in October
Alpine, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in October: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in October
Alpine, CA
- Average sunshine days in October: 26 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in October
Alpine, CA
- Average UV index in October: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in October
Alpine, CA
- Average cloud cover in October: 11
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in October
Alpine, 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).
Alpine, California, USA
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