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January Weather in San Bernardino, Peru

Last updated: August 27, 2025

In San Bernardino, Peru, the average temperature in January hovers around 15°C (60°F), making it a pleasant time to explore. Expect temperatures to range from a minimum of 8°C (46°F) to a maximum of 25°C (77°F). However, be prepared for some rain, as the area sees about 325 mm (12.8 in) of precipitation over 22 days. With an average humidity of 83%, you'll want to dress comfortably for both warmth and moisture!

January Temperature in San Bernardino

In January in San Bernardino, the average temperature is 15°C (60°F). Maximums can reach 25°C (77°F), while minimums can drop as low as 8°C (46°F). This mild climate makes San Bernardino an ideal destination for travelers seeking comfortable weather and outdoor activities.

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 15°C (60°F), with highs reaching up to 25°C (77°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec595959596061616161606060
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 precipitation amount is 325 mm (12.8 in) during a period of 22 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 325 mm (12.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec3254105524603471278249184299179428
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 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%88%85%78%62%44%38%42%58%69%82%
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 reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Bernardino, you can check 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 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171718171412131316161615
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 Weather15°C (60°F)325 mm (12.8 inches)83%extreme
February Weather15°C (59°F)410 mm (16.2 inches)81%extreme
March Weather15°C (59°F)552 mm (21.7 inches)88%extreme
April Weather15°C (60°F)460 mm (18.1 inches)85%extreme
May Weather16°C (60°F)347 mm (13.7 inches)78%extreme
June Weather16°C (61°F)127 mm (5.0 inches)62%extreme
July Weather16°C (61°F)82 mm (3.2 inches)44%extreme
August Weather16°C (62°F)49 mm (1.9 inches)38%extreme
September Weather16°C (62°F)184 mm (7.3 inches)42%extreme
October Weather16°C (61°F)299 mm (11.8 inches)58%extreme
November Weather16°C (60°F)179 mm (7.0 inches)69%extreme
December Weather15°C (60°F)428 mm (16.9 inches)82%extreme

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