The weather in April in San Bernardino

It's warm in April in San Bernardino with an average temperature of 25°C. Temperatures this month range from a low of 22°C to a high of 30°C. At night, you can expect temperatures between 10°C and 15°C.

Looking for great weather? April is a good time to be in San Bernardino. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for San Bernardino, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2022, San Bernardino reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 11°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 19°C.

Rainfall amount

In April, there is an average of 41 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the West.

Daily weather in April for San Bernardino

Click on any day in April to get detailed info about the usual weather on that day in San Bernardino. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  San Bernardino New York
Average temperature 25°C 17°C
Max. temperature 30°C 22°C
Min. temperature 10°C -5°C
Total precipitation 41 mm 81 mm
Rainy days 6 days 11 days

Start of April

The month of April starts in San Bernardino with warm temps, averaging around 24°C during the day and nights around 11°C.

Mid April

By mid-April, daytime temps rise to around 25°C, with nights around 12°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of April

By the end of April, the average daytime temperature in San Bernardino is around 27°C, while nighttime temps are about 13°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

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UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of San Bernardino for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in April in San Bernardino, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in San Bernardino

Temperature in April in San Bernardino over the years

Precipitation charts

These charts show the average amount of precipitation in April in San Bernardino, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in April in San Bernardino

Total precipitation in April in San Bernardino over the years

Daily UV index in April in San Bernardino

This chart shows the average daily UV index in April in San Bernardino, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in April in San Bernardino

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Average weather in San Bernardino by month

Click on a month below to see detailed weather info for San Bernardino. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.