October weather forecastSan Bernardino, CA
October
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
Average daylight in October /
Average sunshine in October
San Bernardino, CA
- Average daylight in October: 11h and 18min
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).
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).
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).
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).
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).
