October weather forecast
San Bernardino, CA

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Scenic settlement spot on the foot of the iconic San Bernardino Mountains in California, with a view of the snow peaks of the San Gorgiono mountains
Scenic settlement spot on the foot of the iconic San Bernardino Mountains in California, with a view of the snow peaks of the San Gorgiono mountains

Weather in October

October, like September, in San Bernardino, California, is another warm autumn month, with an average temperature varying between 56.3°F (13.5°C) and 78.1°F (25.6°C).

Temperature

The start of October comes with a reduction in the average high-temperature, receding from a hot 87.4°F (30.8°C) in September to a warm 78.1°F (25.6°C). A sharp contrast between day and night is prevalent in October with an average nighttime temperature of 56.3°F (13.5°C).

Humidity

In October, the average relative humidity is 44%.

Rainfall

In San Bernardino, during October, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. In San Bernardino, during the entire year, the rain falls for 46.6 days and collects up to 6.18" (157mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In October, the average length of the day in San Bernardino, California, is 11h and 19min.
On the first day of October in San Bernardino, sunrise is at 6:44 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:56 pm PDT.

Sunshine

In October, the average sunshine is 9h.

UV index

The average daily maximum UV index in October in San Bernardino is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are the temperatures in San Bernardino in October?

In San Bernardino, 78.1°F (25.6°C) is the average high-temperature and 56.3°F (13.5°C) is the average low-temperature during October. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 87.8°F (31°C).

What is the average humidity in October in San Bernardino?

The average relative humidity in October in San Bernardino is 44%.

How much does it rain in San Bernardino in October?

In October, the rain falls for 1.8 days. Throughout October, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in San Bernardino?

In San Bernardino, snow does not fall in January, March through December.

How many hours of daylight does San Bernardino have in October?

In October, the average day length in San Bernardino, California, is 11h and 19min.

When are sunrise and sunset in October in San Bernardino?

On the first day of October in San Bernardino, sunrise is at 6:44 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:56 pm PDT.

How long on average sun shines in October in San Bernardino?

In October, the average sunshine duration is 9h.

What is the UV index intensity in October in San Bernardino?

In San Bernardino, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
San Bernardino, CA

Average temperature in October - San Bernardino, CA
  • Average high temperature in October: 78.1°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).

  • Average low temperature in October: 56.3°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure in October
San Bernardino, CA

Average pressure in October - San Bernardino, 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).

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Average wind speed in October
San Bernardino, CA

Average wind speed in October - San Bernardino, CA
  • Average wind speed in October: 4.8mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in October
San Bernardino, CA

Average humidity in October - San Bernardino, CA
  • Average humidity in October: 44%

The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in October
San Bernardino, CA

Average rainfall in October - San Bernardino, CA
  • Average rainfall in October: 0.12"

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in October
San Bernardino, CA

Average rainfall days in October - San Bernardino, CA
  • Average rainfall days in October: 1.8 days

The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in October
San Bernardino, CA

Average snowfall days in October - San Bernardino, CA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in October /
Average sunshine in October
San Bernardino, CA

Average daylight in October / Average sunshine in October - San Bernardino, 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: 9h and 54min).

  • Average sunshine in October: 9h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in October
San Bernardino, CA

Average sunshine days in October - San Bernardino, CA
  • Average sunshine days in October: 27.9 days

The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).

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Average UV index in October
San Bernardino, CA

Average UV index in October - San Bernardino, CA
  • Average UV index in October: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in October
San Bernardino, CA

Average cloud cover in October - San Bernardino, CA
  • Average cloud cover in October: 9

The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in October
San Bernardino, CA

Average visibility in October - San Bernardino, 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).

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San Bernardino, California, USA

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