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January Weather in San Bernardino, Italy

Last updated: August 23, 2025

In January, the average temperature in San Bernardino, Italy hovers around 5°C (41°F), with minimums dipping to -5°C (23°F) and maximums reaching up to 16°C (61°F). Expect 22 mm (0.9 in) of precipitation spread over 5 days, coupled with an average humidity of a damp 87%.

January Temperature in San Bernardino

In January in San Bernardino, the average temperature is 5°C (41°F). Maximums can reach 16°C (61°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for their trip to San Bernardino.

January Weather in San Bernardino: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Bernardino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bernardino, January typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (61°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec404650586677808071615343
Data source: Temperature data for San Bernardino generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in San Bernardino

In San Bernardino in January, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

January Precipitation Trends in San Bernardino

The chart displays monthly precipitation patterns in San Bernardino, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Bernardino, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec227143478141724085608963
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Bernardino

In San Bernardino in January humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

January Average Humidity in San Bernardino

This chart illustrates the average monthly humidity levels in San Bernardino, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Bernardino is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Bernardino

In San Bernardino in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in San Bernardino, you can visit Hourly UV Index in San Bernardino.

Maximum UV Index Levels in San Bernardino for January

The chart shows the monthly maximum UV Index (UVI) for San Bernardino in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in San Bernardino typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: San Bernardino January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in San Bernardino Compares to Other Months

Weather in San Bernardino varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Bernardino, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Bernardino, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)22 mm (0.9 inches)87%low
February Weather8°C (46°F)71 mm (2.8 inches)79%moderate
March Weather10°C (51°F)43 mm (1.7 inches)69%moderate
April Weather14°C (58°F)47 mm (1.9 inches)71%high
May Weather19°C (67°F)81 mm (3.2 inches)70%very high
June Weather25°C (77°F)41 mm (1.6 inches)65%very high
July Weather27°C (80°F)72 mm (2.8 inches)61%very high
August Weather27°C (80°F)40 mm (1.6 inches)54%very high
September Weather22°C (71°F)85 mm (3.3 inches)66%high
October Weather16°C (61°F)60 mm (2.4 inches)83%moderate
November Weather11°C (53°F)89 mm (3.5 inches)88%moderate
December Weather6°C (44°F)63 mm (2.5 inches)85%low

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