Normal weather for San Bernardino in October
It's hot in October in San Bernardino with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 34°C. At night, you can expect temperatures between 17°C and 23°C.
In October, there is an average of 152 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
San Bernardino in October |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 15°C | |
 High Temp |
34°C | 17°C | |
| Low Temp |
27°C | 13°C | |
 Total Precipitation |
152 mm | 115 mm | |
| Rainy Days |
18 days | 14 days | |
Start of October
The month of October starts in San Bernardino with hot temperatures, averaging around 30°C during the day and nights close to 19°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
Mid-October
By mid-October, the average daytime temperature rises to around 32°C, with nights close to 21°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
End of October
By the end of October, the average daytime temperature in San Bernardino will be around 33°C, with nights close to 21°C. There’s a significant chance of many days with precipitation.
As it gets cooler in the evening, it’s best to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is October a good time to visit San Bernardino?
After some sun? Then October isn’t the best time to be in San Bernardino. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for San Bernardino in October
With 44°C, San Bernardino hit the highest temperature in the last 10 years in October 2020. The lowest daytime temperature in this month was 14°C in 2022. The extreme night temperatures ranged from a low of 10°C to a high of 29°C.
Check out the climate of San Bernardino for all months and discover the best travel time
September
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Daily Temperature in October in San Bernardino
This chart shows the average daily temperatures, both day and night, for each day in October in San Bernardino, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in October in San Bernardino
The chart below shows the average daily precipitation in October for San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for October, you can expect around 18 days of rain in San Bernardino.
Daily UV Index in October in San Bernardino
This chart shows the average daily UV index in October in San Bernardino, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in San Bernardino Over the Years
This chart shows the average temperature in October in San Bernardino, measured in degrees Celsius, over the past years.
Total Precipitation in October in San Bernardino Over the Years
This chart shows the average precipitation in October in San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in October for San Bernardino
Click on a specific day in October for detailed info on the typical weather on that day in San Bernardino. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in San Bernardino
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Average Weather in San Bernardino by Month
Click on a month below to see detailed weather info for San Bernardino. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Bernardino for all months at once
