San Bernardino weather in July

In July, San Bernardino sees average daytime highs of 23°C and overnight lows near 13°C, with 82 mm of rain across 7.7 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 50% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of July to 10 h 48 min by month's end. Set against the rest of the year, July is San Bernardino's 3rd-clearest and 4th-windiest month. For the whole year in context, see San Bernardino's year-round climate.

Daytime high
23°
11th warmest
Overnight low
13°
1st coldest
Rainfall
82 mm
7.7 wet days
Daylight
10 h 36 min
7:38 AM – 6:12 PM
Cloud cover
46%
3rd clearest
Wind
13 km/h
4th windiest
Solar energy
3.14 kWh/m²
Travel score
7.4
out of 10

San Bernardino is district of Paraguay.

Density
41/km²
people per km²
Founded
1881

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical July day in San Bernardino reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 30°C. Set against its neighbours, July runs on par with June and about 3°C cooler than August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272413
282413
292413
302414
312414

How July really feels in San Bernardino

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Bernardino weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°12412.913.43.5
Feb32° / 23°14212.312.93.7
Mar31° / 22°10910.312.24.6
Apr28° / 19°1428.911.46.2
May24° / 16°1308.810.87.2
Jun23° / 14°978.310.57.1
Jul23° / 13°827.710.67.4
Aug26° / 15°706.611.17.7
Sep27° / 16°1138.611.86.9
Oct29° / 19°19612.112.65.3
Nov30° / 20°17711.113.24.8
Dec32° / 22°16312.713.53.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25248
35248
45347
55446
65545
75743
85743
95842
105842
115941
126040
136040
146139
156139
166139
176139
186139
196139
206139
216139
226139
236139
246139
256139
266139
276238
286238
296337
306436
316436

Chance of precipitation in July

Any precipitation

San Bernardino gets around 82 mm of rain over 7.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
527
627
727
827
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1925
2025
2125
2224
2323
2423
2522
2622
2721
2820
2920
3020
3119

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
136242812
236242811
337242811
437252811
538252710
639252710
73925269
84025269
94224259
104324258
114424248
124623247
134723237
144923227
155023216
165123206
175223196
185323186
195323186
205424175
215424175
225325175
235325175
245226175
255226175
265227174
275227174
285128174
295028184
305028184
314928194

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 24 min at the start of July to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 7:39 AM to 7:32 AM, and sunset from 6:06 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:396:06
210.47:396:06
310.57:396:06
410.57:396:07
510.57:396:07
610.57:396:08
710.57:396:08
810.57:396:08
910.57:396:09
1010.57:396:09
1110.57:396:10
1210.57:396:10
1310.57:396:10
1410.57:386:11
1510.67:386:11
1610.67:386:12
1710.67:386:12
1810.67:376:13
1910.67:376:13
2010.67:376:14
2110.67:366:14
2210.67:366:15
2310.77:366:15
2410.77:356:16
2510.77:356:16
2610.77:346:16
2710.77:346:17
2810.77:336:17
2910.87:336:18
3010.87:326:18
3110.87:326:19

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.14 kWh/m².

For context, solar energy here swings from a low near 2.8 kWh/m² to a high of 6.7 kWh/m² in December across the year — July's 3.14 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.6Moderate
Planning a trip in July

Is July a good time to visit San Bernardino?

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

7.4
Sightseeing
2nd-best month of the year
5.8
Beach & pool
11th-best month of the year

July is one of the better times to visit San Bernardino for general sightseeing.

What to pack for San Bernardino in July

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

In July, San Bernardino sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in San Bernardino in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Bernardino peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 17UV 15Jul 15UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in San Bernardino in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Bernardino is worst in September — around 28 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1227 µg/m³Dec 1910 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar11Good
Apr13Moderate
May13Moderate
Jun15Moderate
Jul17Moderate
Aug25Moderate
Sep28Moderate
Oct18Moderate
Nov13Moderate
Dec10Good
Location & terrain

Where is San Bernardino?

San Bernardino sits at 25.3°S, 57.3°W, 0 m above sea level, in Paraguay. The nearest listed city is Areguá, 9.0 km away.

Topography around San Bernardino

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Bernardino.

Within 3 km, the terrain around San Bernardino has only modest variations in elevation — a maximum elevation change of 183 m around an average of 91 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, significant variations in elevation — a maximum elevation change of 529 m.

The land around San Bernardino is covered by trees (51%) and water (42%) within 3 km, trees (72%) within 16 km, and grassland (52%) and trees (39%) within 80 km.

3 km
183 m
16 km
272 m
80 km
529 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Areguá 9.0 km · Itauguá 11 km · Capiatá 16 km · Caacupé 18 km · San Lorenzo 22 km · Itá 22 km · Fernando de la Mora 23 km · Limpio 25 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 (-25.3107°, -57.2963°, elevation 0 m), 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).