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 arrival of October suggests a slight decrease in the average high-temperature, moving from 79.9°F (26.6°C) in September to a still moderately hot 74.3°F (23.5°C). October brings with it a nighttime average temperature of 56.5°F (13.6°C).Humidity
September and October, with an average relative humidity of 57%, are the least humid months.Rainfall
In Port San Luis, in October, during 3.4 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Port San Luis, during the entire year, the rain falls for 57 days and collects up to 9.57" (243mm) of precipitation.Daylight
In Port San Luis, the average length of the day in October is 11h and 17min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:24 am and sunset at 6:09 pm PDT.
Sunshine
In Port San Luis, the average sunshine in October is 7.6h.UV index
In Port San Luis, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in October interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port San Luis in October?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Port San Luis, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in October: 56.5°F
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure in October
Port San Luis, CA
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in October
Port San Luis, CA
- Average wind speed in October: 5.8mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in October
Port San Luis, CA
- Average humidity in October: 57%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in October
Port San Luis, CA
- Average rainfall in October: 0.47"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in October
Port San Luis, CA
- Average rainfall days in October: 3.4 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight in October /
Average sunshine in October
Port San Luis, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in October: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in October
Port San Luis, CA
- Average sunshine days in October: 26.7 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index in October
Port San Luis, CA
- Average UV index in October: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in October
Port San Luis, CA
- Average cloud cover in October: 12
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in October
Port San Luis, 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).
Port San Luis, California, USA
Weather forecast for your location
2. Allow the app to use your location