San Bernardino, CA weather in June
In June, San Bernardino sees highs around 89°F and lows around 56°F: hot and dry. There are about 1 day with rain.
- Normal high
- 89°F
- Normal low
- 56°F
- Wet days
- 1
- 0.1 in total
- Muggy days
- 0
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 84°F | 93°F |
| Normal low | 54°F | 60°F |
| Chance of a wet day | 5% | 2% |
| Sunrise / sunset | 5:38 am / 7:55 pm | 5:40 am / 8:04 pm |
| Daylight | 14.3 h | 14.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical June day
- 6 am61°Fdew point 54°F
- 9 am74°Fdew point 52°F
- Noon84°Fdew point 50°F
- 3 pm86°Fdew point 52°F
- 6 pm78°Fdew point 52°F
- 9 pm67°Fdew point 54°F
NOAA hourly normals (local standard time) from March AFB (15 mi away); average wind 6 mph; clear or few clouds in 81% of daytime hours, mostly cloudy or overcast in 14%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 30
- Hot dayshigh 90°F or more14 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 0.1 in; a dry June brings about 0.0 in and a wet one about 0.02 in (25th and 75th percentiles). Days with half an inch or more are rare.
How June varies from year to year
- Warmest June, 1991-20202008: average high 95°F
- Coolest June1998: average high 81°F
- Wettest June1993: 1.1 in
- Driest June1991: no measurable precipitation
- Highest reading109°F (June 20, 2008)
- Lowest reading41°F (June 13, 2006)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 80°F | 89°F | 95°F |
| Normal low | 52°F | 56°F | 63°F |
| Wet days | 3 | 1 | 1 |
| Comfortable days | 14 | 5 | 0 |
| Daylight | 13.9 h | 14.4 h | 14.2 h |
Highs change by +9°F from May and +6°F into July.
Nearby alternatives in June
- Warmer: Palm Springs, CA47 mi · high 104°F · 0 wet days
- Cooler: Big Bear Lake, CA24 mi · high 75°F · 1 wet day
How San Bernardino ranks in June
- Normal high111th warmest of 378 cities; 16th of 60 in California
- Wet days41st driest of 378
- Comfortable days176th most of 340
What to pack for San Bernardino in June
- Light, breathable clothing – highs near 89°F
- Layers – afternoons near 89°F but nights near 56°F
- Sunglasses and sunscreen – about 14.4 hours of daylight and highs near 89°F
Heating and cooling
June has 8 heating degree days and 232 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is San Bernardino in June?
The normal high is 89°F and the normal low is 56°F. From 1991 to 2020 the hottest June reading was 109°F (June 20, 2008).
Does it rain a lot in San Bernardino in June?
About 1 days in June have at least 0.01 in of precipitation, and the normal total is 0.1 in. The wettest June in 1991-2020 was in 1993 (1.1 in); the driest was in 1991, with no measurable precipitation.
Is June a good time to visit San Bernardino?
June ranks 9th of 12 months on our comfort score for San Bernardino (56 out of 100). It has about 5 comfortable days and about 14 days at 90°F or hotter. The best months are March, April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Redlands (USC00047306), 7.3 mi SE of the city center, 1,410 ft (359 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: March AFB (USW00023119), 15 mi S of the city center, 1,516 ft (465 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: March Air Reserve Base (722860-23119), 15 mi S of the city center, 1,536 ft (485 ft higher than the city). Hourly observations, 1991-2020.