Temperatures in April
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Bernardino in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in San Bernardino with warm temperatures, averaging around 24°C during the day and nights close to 11°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature rises to around 25°C, with nights close to 12°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of April
By the end of April, the average daytime temperature in San Bernardino will be around 27°C, with nights close to 13°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in April
In April, there is an average of 41 mm of precipitation, spread over 2 days. The wind speed is around 4 Bft, mostly coming from the West.
The average chance of precipitation is only 7% in April.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for San Bernardino. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Bernardino in April |
London | ||
|---|---|---|---|
 Average Temperature |
25°C | 15°C | |
 High Temp |
30°C | 18°C | |
| Low Temp |
22°C | 12°C | |
 Total Precipitation |
41 mm | 29 mm | |
| Rainy Days |
2 days | 7 days | |
March
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.
Is April a good time to visit San Bernardino?
Want nice weather? Then April is a great time to be in San Bernardino. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for San Bernardino in April
With 37°C, San Bernardino hit the highest temperature in the last 10 years in April 2022. The lowest daytime temperature in this month was 11°C in 2020. The extreme night temperatures ranged from a low of 2°C to a high of 19°C.
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Daily Temperature in April in San Bernardino
This chart shows the average daily temperatures, both day and night, for each day in April in San Bernardino, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in San Bernardino
The chart below shows the average daily precipitation in April for San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 2 days of rain in San Bernardino.
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.
Temperature in April in San Bernardino Over the Years
This chart shows the average temperature in April in San Bernardino, measured in degrees Celsius, over the past years.
Total Precipitation in April in San Bernardino Over the Years
This chart shows the average precipitation in April in San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for San Bernardino
Click on a specific day in April for detailed info on the typical weather on that day in San Bernardino. Check out the historical temperatures and precipitation over the past 10 years on this day.
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.
Or check out the climate of San Bernardino for all months at once
