Best year time to visit San Bernardino

General weather information about San Bernardino

Average annual temperature is 16.1 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: -0.8 °C

Number of sunny days: 164 days

Number of rainy days: 201 days

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* Weather data for San Bernardino Italy is based on climate observations for 2026 year

San Bernardino air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.314.219.020.026.630.633.035.030.227.522.416.8
Average daytime temperature (°C)11.611.514.716.621.425.628.728.826.322.216.413.3
Average temperature (°C)8.97.811.413.017.822.125.024.621.518.812.69.6
Average night temperature (°C)6.04.78.08.914.318.220.419.917.015.58.66.3
Absolute minimum temperature (°C)0.7-0.84.03.311.316.116.214.213.211.81.01.6

San Bernardino monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.514.815.415.114.012.511.09.78.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.26.98.910.810.612.513.211.910.17.26.24.6
Precipitation (mm)148408253113902984115481153135
Sunny days13191112913141818111214
Rainy days18920182217171312201817
Snow days000000000000

San Bernardino - weather forecast by months

San Bernardino weather in januarySan Bernardino weather in februarySan Bernardino weather in marchSan Bernardino weather in aprilSan Bernardino weather in maySan Bernardino weather in juneSan Bernardino weather in julySan Bernardino weather in augustSan Bernardino weather in septemberSan Bernardino weather in octoberSan Bernardino weather in novemberSan Bernardino weather in december

Best time to visit San Bernardino:

The best time to visit San Bernardino during the most sunny months:

  • June — 12.5(h)
  • July — 13.2(h)
  • August — 11.9(h)

Months with the longest average daylight duration in San Bernardino:

  • June — 15.4(h)

The largest precipitation sum in San Bernardino is at

  • October — 481(mm)

    • Weather forecast in the closest to San Bernardino admin centers

    Weather forecast in the closest towns to San Bernardino

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    Frequently asked questions

    When is the best time to visit San Bernardino?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit San Bernardino.
    What is the weather like in San Bernardino?
    See average temperature, rainfall and daylight hours for San Bernardino by month in the table above.
    How many sunny days does San Bernardino have?
    The monthly weather statistics above show sunshine and rainfall patterns for San Bernardino throughout the year.