San Bernardino weather in June

In June, San Bernardino sees average daytime highs of 82°F and overnight lows near 59°F, with 0.1 in of rain across 0.7 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 78°F in the first days to 85°F by the end. The sky is clear or mostly clear about 84% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is San Bernardino's 3rd-clearest and 8th-windiest month. For the whole year in context, see San Bernardino's year-round climate.

Daytime high: 82°; 4th warmest
Overnight low: 59°; 9th coldest
Rainfall: 0.1 in; 0.7 wet days
Daylight: 14 h 18 min; 4:42 AM – 6:57 PM
Cloud cover: 15%; 3rd clearest
Wind: 4 mph; 8th windiest
Solar energy: 8.25 kWh/m²
Travel score: 8.2; out of 10

San Bernardino is city in and seat of San Bernardino County, California, United States.

Density: 1,399/km²; people per km²
Founded: 1854

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← May San Bernardino year-round climate July →Best places to visit in June

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 78°F in the first days to 85°F by the end.

A typical June day in San Bernardino reaches about 82°F in the afternoon and slips back to 59°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 91°F. Set against its neighbours, June runs about 7°F warmer than May and about 6°F cooler than July.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	77	78	78	78	79	79	79	79	80	80	80	81	81	81	82	82	82	83	83	83	84	84	84	85	85	85	85	85	86	86
Avg low (°F)	56	56	56	56	56	57	57	57	57	58	58	58	58	58	59	59	59	60	60	60	60	61	61	61	61	62	62	62	62	63

	Avg high (°F)	Avg low (°F)
1	77	56
2	78	56
3	78	56
4	78	56
5	79	56
6	79	57
7	79	57
8	79	57
9	80	57
10	80	58
11	80	58
12	81	58
13	81	58
14	81	58
15	82	59
16	82	59
17	82	59
18	83	60
19	83	60
20	83	60
21	84	60
22	84	61
23	84	61
24	85	61
25	85	61
26	85	62
27	85	62
28	85	62
29	86	62
30	86	63

San Bernardino weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	60° / 41°	2.9	6.1	0.6	10	5.5
Feb	61° / 42°	3.6	6.8	1.1	10.7	5.5
Mar	64° / 45°	2.2	6.2	0.8	11.7	6.6
Apr	69° / 48°	1.1	3.9	0.3	12.8	7.7
May	74° / 53°	0.5	2.6	0	13.8	8.6
Jun	82° / 59°	0.1	0.7	0	14.2	8.2
Jul	87° / 65°	0.5	2.6	0	14	6.0
Aug	89° / 66°	0.4	2.8	0	13.3	5.5
Sep	85° / 62°	0.3	1.8	0	12.2	7.0
Oct	77° / 54°	0.7	2.4	0	11.1	8.7
Nov	67° / 46°	1.0	3.1	0.2	10.2	7.7
Dec	60° / 41°	2.2	5	0.4	9.8	5.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	87	87	87	87	88	89	89	89	90	90	90	91	91	91	92	92	92	93	93	94	94	94	94	94	93	93	93	93	93	92
Cloudier (%)	13	13	13	13	12	11	11	11	10	10	10	9	9	9	8	8	8	7	7	6	6	6	6	6	7	7	7	7	7	8

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	88	12
6	89	11
7	89	11
8	89	11
9	90	10
10	90	10
11	90	10
12	91	9
13	91	9
14	91	9
15	92	8
16	92	8
17	92	8
18	93	7
19	93	7
20	94	6
21	94	6
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	92	8

Chance of precipitation in June

Any precipitation

San Bernardino gets around 0.1 in of rain over 0.7 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 4% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	4	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	4

	Rain chance (%)
1	4
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	2
15	2
16	2
17	2
18	2
19	2
20	2
21	2
22	2
23	2
24	2
25	2
26	2
27	2
28	3
29	3
30	4

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	94	93	93	93	92	92	92	91	91	91	91	91	91	91	91	91	91	91	90	90	89	89	87	86	85	83	82	80	79	77
Comfortable (%)	6	7	7	7	8	8	8	9	9	9	9	9	9	9	9	9	9	9	10	10	11	11	12	13	14	15	16	17	18	19
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	2	2	3	3	4

	Dry (%)	Comfortable (%)	Humid (%)
1	94	6	0
2	93	7	0
3	93	7	0
4	93	7	0
5	92	8	0
6	92	8	0
7	92	8	0
8	91	9	0
9	91	9	0
10	91	9	0
11	91	9	0
12	91	9	0
13	91	9	0
14	91	9	0
15	91	9	0
16	91	9	0
17	91	9	0
18	91	9	0
19	90	10	0
20	90	10	0
21	89	11	0
22	89	11	0
23	87	12	1
24	86	13	1
25	85	14	1
26	83	15	2
27	82	16	2
28	80	17	3
29	79	18	3
30	77	19	4

Wind in June

Winds average 4 mph in June.

Across June, daily wind ranges from about 3 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min at the start of June to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:44 AM to 4:45 AM, and sunset from 6:50 PM to 7:00 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	14.1	14.1	14.1	14.1	14.2	14.2	14.2	14.2	14.2	14.2	14.2	14.2	14.2	14.2	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3	14.3
Sunrise (AM)	4:44	4:43	4:43	4:43	4:43	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:42	4:43	4:43	4:43	4:43	4:44	4:44	4:44	4:45
Sunset (PM)	6:50	6:50	6:51	6:52	6:52	6:53	6:53	6:54	6:54	6:55	6:55	6:56	6:56	6:56	6:57	6:57	6:58	6:58	6:58	6:58	6:59	6:59	6:59	6:59	7:00	7:00	7:00	7:00	7:00	7:00

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.1	4:44	6:50
2	14.1	4:43	6:50
3	14.1	4:43	6:51
4	14.1	4:43	6:52
5	14.2	4:43	6:52
6	14.2	4:42	6:53
7	14.2	4:42	6:53
8	14.2	4:42	6:54
9	14.2	4:42	6:54
10	14.2	4:42	6:55
11	14.2	4:42	6:55
12	14.2	4:42	6:56
13	14.2	4:42	6:56
14	14.2	4:42	6:56
15	14.3	4:42	6:57
16	14.3	4:42	6:57
17	14.3	4:42	6:58
18	14.3	4:42	6:58
19	14.3	4:42	6:58
20	14.3	4:42	6:58
21	14.3	4:42	6:59
22	14.3	4:42	6:59
23	14.3	4:43	6:59
24	14.3	4:43	6:59
25	14.3	4:43	7:00
26	14.3	4:43	7:00
27	14.3	4:44	7:00
28	14.3	4:44	7:00
29	14.3	4:44	7:00
30	14.3	4:45	7:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.25 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.02 kWh/m² to a high of 8.25 kWh/m² in June across the year — June's 8.25 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	7.9	8.0	8.0	8.0	8.1	8.1	8.1	8.1	8.1	8.2	8.2	8.2	8.2	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.2
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	7.9	Intense
2	8.0	Intense
3	8.0	Intense
4	8.0	Intense
5	8.1	Intense
6	8.1	Intense
7	8.1	Intense
8	8.1	Intense
9	8.1	Intense
10	8.2	Intense
11	8.2	Intense
12	8.2	Intense
13	8.2	Intense
14	8.3	Intense
15	8.3	Intense
16	8.3	Intense
17	8.3	Intense
18	8.3	Intense
19	8.3	Intense
20	8.3	Intense
21	8.3	Intense
22	8.3	Intense
23	8.3	Intense
24	8.3	Intense
25	8.3	Intense
26	8.3	Intense
27	8.3	Intense
28	8.3	Intense
29	8.3	Intense
30	8.2	Intense

Planning a trip in June

Is June a good time to visit San Bernardino?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.2

Sightseeing

3rd-best month of the year

8.8

Beach & pool

2nd-best month of the year

June is one of the better times to visit San Bernardino for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Bernardino in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, San Bernardino sees daytime highs around 82°F and nights near 59°F. Pack light clothes and sun protection.

light clothessun protection

UV index in San Bernardino in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Bernardino peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	5	5	8	8	11	11	11	8	6	4	3
Level	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	5	Moderate
Mar	5	High
Apr	8	Very high
May	8	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	3	Moderate

Air quality in San Bernardino in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in San Bernardino is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	8	9	11	10	8	19	12	20	40	10	8	7
Level	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Poor	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	9	Good
Mar	11	Good
Apr	10	Good
May	8	Good
Jun	19	Moderate
Jul	12	Moderate
Aug	20	Moderate
Sep	40	Poor
Oct	10	Good
Nov	8	Good
Dec	7	Good

Location & terrain

Where is San Bernardino?

San Bernardino sits at 34.1°N, 117.3°W, 1,053 ft above sea level, in United States. The nearest listed city is Colton, 2.5 mi away.

Topography around San Bernardino

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of San Bernardino.

Within 2 miles, the terrain around San Bernardino has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 1,076 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,377 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,417 ft.

The land around San Bernardino is covered by artificial surfaces (80%) within 2 miles, artificial surfaces (42%) within 10 miles, and shrubs (28%) within 50 miles.

2 miles

210 ft

artificial surfaces 80%

10 miles

5,377 ft

artificial surfaces 42%

50 miles

11,417 ft

shrubs 28%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← May San Bernardino year-round climate July →Best places to visit in June

June weather nearby: Colton 2.5 mi · Loma Linda 4.3 mi · Rialto 4.3 mi · Highland 5.0 mi · Bloomington 6.8 mi · Redlands 6.8 mi · Fontana 8.1 mi · Rubidoux 9.9 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Bernardino (34.1083°, -117.2898°, elevation 1,053 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	77	56
2	78	56
3	78	56
4	78	56
5	79	56
6	79	57
7	79	57
8	79	57
9	80	57
10	80	58
11	80	58
12	81	58
13	81	58
14	81	58
15	82	59
16	82	59
17	82	59
18	83	60
19	83	60
20	83	60
21	84	60
22	84	61
23	84	61
24	85	61
25	85	61
26	85	62
27	85	62
28	85	62
29	86	62
30	86	63

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	88	12
6	89	11
7	89	11
8	89	11
9	90	10
10	90	10
11	90	10
12	91	9
13	91	9
14	91	9
15	92	8
16	92	8
17	92	8
18	93	7
19	93	7
20	94	6
21	94	6
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	92	8

	Rain chance (%)
1	4
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	2
15	2
16	2
17	2
18	2
19	2
20	2
21	2
22	2
23	2
24	2
25	2
26	2
27	2
28	3
29	3
30	4

	Dry (%)	Comfortable (%)	Humid (%)
1	94	6	0
2	93	7	0
3	93	7	0
4	93	7	0
5	92	8	0
6	92	8	0
7	92	8	0
8	91	9	0
9	91	9	0
10	91	9	0
11	91	9	0
12	91	9	0
13	91	9	0
14	91	9	0
15	91	9	0
16	91	9	0
17	91	9	0
18	91	9	0
19	90	10	0
20	90	10	0
21	89	11	0
22	89	11	0
23	87	12	1
24	86	13	1
25	85	14	1
26	83	15	2
27	82	16	2
28	80	17	3
29	79	18	3
30	77	19	4

	Avg high (°F)	Avg low (°F)
1	77	56
2	78	56
3	78	56
4	78	56
5	79	56
6	79	57
7	79	57
8	79	57
9	80	57
10	80	58
11	80	58
12	81	58
13	81	58
14	81	58
15	82	59
16	82	59
17	82	59
18	83	60
19	83	60
20	83	60
21	84	60
22	84	61
23	84	61
24	85	61
25	85	61
26	85	62
27	85	62
28	85	62
29	86	62
30	86	63

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	88	12
6	89	11
7	89	11
8	89	11
9	90	10
10	90	10
11	90	10
12	91	9
13	91	9
14	91	9
15	92	8
16	92	8
17	92	8
18	93	7
19	93	7
20	94	6
21	94	6
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	92	8

	Rain chance (%)
1	4
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	2
15	2
16	2
17	2
18	2
19	2
20	2
21	2
22	2
23	2
24	2
25	2
26	2
27	2
28	3
29	3
30	4

	Dry (%)	Comfortable (%)	Humid (%)
1	94	6	0
2	93	7	0
3	93	7	0
4	93	7	0
5	92	8	0
6	92	8	0
7	92	8	0
8	91	9	0
9	91	9	0
10	91	9	0
11	91	9	0
12	91	9	0
13	91	9	0
14	91	9	0
15	91	9	0
16	91	9	0
17	91	9	0
18	91	9	0
19	90	10	0
20	90	10	0
21	89	11	0
22	89	11	0
23	87	12	1
24	86	13	1
25	85	14	1
26	83	15	2
27	82	16	2
28	80	17	3
29	79	18	3
30	77	19	4

	Avg high (°F)	Avg low (°F)
1	77	56
2	78	56
3	78	56
4	78	56
5	79	56
6	79	57
7	79	57
8	79	57
9	80	57
10	80	58
11	80	58
12	81	58
13	81	58
14	81	58
15	82	59
16	82	59
17	82	59
18	83	60
19	83	60
20	83	60
21	84	60
22	84	61
23	84	61
24	85	61
25	85	61
26	85	62
27	85	62
28	85	62
29	86	62
30	86	63

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	88	12
6	89	11
7	89	11
8	89	11
9	90	10
10	90	10
11	90	10
12	91	9
13	91	9
14	91	9
15	92	8
16	92	8
17	92	8
18	93	7
19	93	7
20	94	6
21	94	6
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	92	8

	Rain chance (%)
1	4
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	2
15	2
16	2
17	2
18	2
19	2
20	2
21	2
22	2
23	2
24	2
25	2
26	2
27	2
28	3
29	3
30	4

	Dry (%)	Comfortable (%)	Humid (%)
1	94	6	0
2	93	7	0
3	93	7	0
4	93	7	0
5	92	8	0
6	92	8	0
7	92	8	0
8	91	9	0
9	91	9	0
10	91	9	0
11	91	9	0
12	91	9	0
13	91	9	0
14	91	9	0
15	91	9	0
16	91	9	0
17	91	9	0
18	91	9	0
19	90	10	0
20	90	10	0
21	89	11	0
22	89	11	0
23	87	12	1
24	86	13	1
25	85	14	1
26	83	15	2
27	82	16	2
28	80	17	3
29	79	18	3
30	77	19	4