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April Weather in San Bernardino, Peru

Last updated: August 27, 2025

In April, the average temperature in San Bernardino, Peru hovers around 15°C (60°F), with a minimum of 9°C (49°F) and a comfortable maximum of 24°C (75°F). Expect 29 days of rainfall, accumulating to 460 mm (18.1 in), while the air remains humid, with an average humidity level of 85%. Prepare for a wet but mild month!

April Temperature in San Bernardino

In April in San Bernardino, the average temperature is 15°C (60°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop to as low as 9°C (49°F). This makes it a great time for travelers to enjoy mild weather and explore the area comfortably.

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

The chart illustrates April 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, April typically has an average temperature of 15°C (60°F), with highs reaching up to 24°C (75°F) and lows dropping to around 9°C (49°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.

April Precipitation in San Bernardino

In San Bernardino in April, the total precipitation amount is 460 mm (18.1 in) spread over 29 days.

April Precipitation Trends in San Bernardino

The chart displays monthly precipitation patterns in San Bernardino, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Bernardino, April typically receives around 460 mm (18.1 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec3254105524603471278249184299179428
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Bernardino

In San Bernardino in April, humidity is 85%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable for travelers who may find themselves constantly seeking shade and hydration.

April Average Humidity in San Bernardino

This chart illustrates the average monthly humidity levels in San Bernardino, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Bernardino is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in San Bernardino

In San Bernardino in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for San Bernardino in April, 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 April, the maximum UV index in San Bernardino typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171718171412131316161615
Data source: San Bernardino April 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 April 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 April’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 April’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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