Temperatures in June
It's hot in June in San Bernardino with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 35°C. At night, you can expect temperatures between 15°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Bernardino in June. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of June
The month of June starts in San Bernardino with hot temperatures, averaging around 31°C during the day and nights close to 16°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-June
By mid-June, the average daytime temperature rises to around 32°C, with nights close to 17°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of June
By the end of June, the average daytime temperature in San Bernardino will be around 34°C, with nights close to 18°C. No precipitation expected, with plenty of sunshine on the horizon.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in June
According to weather history, there is only 3,5 mm of precipitation in June. The wind speed is around 4 Bft, mostly coming from the West.
The average chance of precipitation is only 1% in June.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in June 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 June |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 22°C | |
 High Temp |
35°C | 24°C | |
| Low Temp |
28°C | 18°C | |
 Total Precipitation |
3,5 mm | 57 mm | |
| Rainy Days |
0 days | 10 days | |
May
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 June a good time to visit San Bernardino?
June is a great month to be in San Bernardino for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for San Bernardino in June
With 45°C, San Bernardino hit the highest temperature in the last 10 years in June 2016. The lowest daytime temperature in this month was 18°C in 2023. The extreme night temperatures ranged from a low of 10°C to a high of 24°C.
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Daily Temperature in June in San Bernardino
This chart shows the average daily temperatures, both day and night, for each day in June 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 June in San Bernardino
The chart below shows the average daily precipitation in June 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 June, you can expect it to stay dry all month in San Bernardino.
Daily UV Index in June in San Bernardino
This chart shows the average daily UV index in June 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 June in San Bernardino Over the Years
This chart shows the average temperature in June in San Bernardino, measured in degrees Celsius, over the past years.
Total Precipitation in June in San Bernardino Over the Years
This chart shows the average precipitation in June 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 June for San Bernardino
Click on a specific day in June 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 June 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
