United StatesAverage weather for San Bernardino 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.
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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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.
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.
San Bernardino in April |
New York | ||
|---|---|---|---|
 Average temperature |
25°C | 17°C | |
 Max. temperature |
30°C | 22°C | |
| Min. temperature |
22°C | -5°C | |
 Total precipitation |
41 mm | 81 mm | |
| Rainy days |
2 days | 11 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?
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.
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.
Check out the climate of San Bernardino for all months and discover the best travel time
Daily Temperature in April in San Bernardino
This chart shows the average daily high and low temperatures in April for San Bernardino, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in San Bernardino
The chart below shows the average daily precipitation in April for San Bernardino, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 2 days of precipitation 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 few years.
Total precipitation in April in San Bernardino over the years
This chart shows the average precipitation in April in San Bernardino, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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
