San Luis weather in June

In June, San Luis sees average daytime highs of 103°F and overnight lows near 75°F, with 0.0 in of rain across 0.2 wet days and about 14.1 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 99°F in the first days to 106°F by the end. The sky is clear or mostly clear about 89% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of June to 14 h 06 min by month's end. Set against the rest of the year, June is San Luis's 1st-clearest and 5th-windiest month. For the whole year in context, see San Luis's year-round climate.

Daytime high
103°
3rd warmest
Overnight low
75°
9th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
14 h 06 min
5:36 AM – 7:43 PM
Cloud cover
10%
1st clearest
Wind
6 mph
5th windiest
Solar energy
8.49 kWh/m²
Travel score
0.7
out of 10

San Luis is city in Yuma County, Arizona, United States.

Density
356/km²
people per km²
Founded
1930

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 99°F in the first days to 106°F by the end.

A typical June day in San Luis reaches about 103°F in the afternoon and slips back to 75°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 96°F and 109°F. Set against its neighbours, June runs about 8°F warmer than May and about 4°F cooler than July.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19871
29971
39972
49972
510072
610072
710073
810073
910173
1010173
1110174
1210174
1310274
1410274
1510275
1610375
1710375
1810376
1910476
2010476
2110477
2210577
2310578
2410578
2510578
2610578
2710579
2810679
2910679
3010680

How June really feels in San Luis

Once humidity and wind are folded in, June averages 30 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
30
17 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Luis weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan71° / 49°0.41.510.18.4
Feb74° / 52°0.52.310.88.6
Mar81° / 56°0.41.511.88.1
Apr87° / 61°0.10.612.86.1
May95° / 68°0.00.213.63.5
Jun103° / 75°0.00.214.10.7
Jul106° / 83°0.21.513.90.0
Aug106° / 84°0.42.913.20.0
Sep101° / 78°0.52.212.21.2
Oct91° / 67°0.20.911.24.9
Nov78° / 56°0.20.810.38.6
Dec69° / 48°0.41.79.98.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of June, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2919
3919
4937
5937
6937
7946
8946
9946
10955
11955
12964
13964
14964
15964
16964
17955
18955
19955
20955
21955
22955
23946
24946
25946
26937
27937
28928
29928
30928

Chance of precipitation in June

Any precipitation

San Luis gets around 0.0 in of rain over 0.2 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
110
120
130
140
150
160
170
180
190
200
210
220
231
241
251
261
271
282
292
302

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1909100
2909100
38910100
48910100
58811100
68811100
78811100
88712100
98712100
108712100
118512210
128512210
138313310
148313310
158213410
168213410
178113510
188113510
198013610
207714720
217614820
227514920
2373141030
2471141140
2568151340
2665151451
2762161561
2859161771
2957161881
3053171992

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

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

Days grow by about 6 minutes over June. Sunrise moves from 5:37 AM to 5:39 AM, and sunset from 7:36 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:377:36
214.05:377:36
314.05:377:37
414.05:377:38
514.05:367:38
614.05:367:39
714.15:367:39
814.15:367:40
914.15:367:40
1014.15:367:41
1114.15:367:41
1214.15:367:41
1314.15:367:42
1414.15:367:42
1514.15:367:43
1614.15:367:43
1714.15:367:43
1814.15:367:44
1914.15:367:44
2014.15:367:44
2114.15:367:44
2214.15:377:45
2314.15:377:45
2414.15:377:45
2514.15:377:45
2614.15:377:45
2714.15:387:46
2814.15:387:46
2914.15:387:46
3014.15:397:46

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 8.49 kWh/m² in June across the year — June's 8.49 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
18.5Intense
28.5Intense
38.5Intense
48.5Intense
58.5Intense
68.5Intense
78.5Intense
88.5Intense
98.5Intense
108.5Intense
118.5Intense
128.5Intense
138.5Intense
148.5Intense
158.5Intense
168.5Intense
178.5Intense
188.5Intense
198.5Intense
208.5Intense
218.5Intense
228.4Intense
238.4Intense
248.4Intense
258.4Intense
268.3Intense
278.3Intense
288.3Intense
298.3Intense
308.3Intense
Planning a trip in June

Is June a good time to visit San Luis?

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

0.7
Sightseeing
10th-best month of the year
3.9
Beach & pool
10th-best month of the year

June is a weaker month for outdoor sightseeing in San Luis.

What to pack for San Luis in June

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

In June, San Luis sees daytime highs around 103°F and nights near 75°F. Pack light clothes and sun protection.

light clothessun protection

UV index in San Luis 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 Luis peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is San Luis?

San Luis sits at 32.5°N, 114.8°W, 131 ft above sea level, in United States. The nearest listed city is San Luis Río Colorado, 2.5 mi away.

Topography around San Luis

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

Within 2 miles, the terrain around San Luis has only modest variations in elevation — a maximum elevation change of 89 ft around an average of 118 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 180 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,652 ft.

The land around San Luis is covered by artificial surfaces (46%), bare terrain (26%) and cropland (24%) within 2 miles, bare terrain (45%) and cropland (41%) within 10 miles, and bare terrain (73%) within 50 miles.

2 miles
89 ft
10 miles
180 ft
50 miles
3,652 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: San Luis Río Colorado 2.5 mi · Somerton 8.7 mi · Yuma 19 mi · Ciudad Guadalupe Victoria 23 mi · Fortuna Foothills 25 mi · Puebla 34 mi · Mexicali 40 mi · Calexico 43 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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Luis (32.487°, -114.7822°, elevation 131 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).