Antofagasta weather in July

In July, Antofagasta sees average daytime highs of 15°C and overnight lows near 13°C, with 10 mm of rain across 3.8 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 59% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of July to 10 h 54 min by month's end. Set against the rest of the year, July is Antofagasta's 8th-clearest and 11th-windiest month. For the whole year in context, see Antofagasta's year-round climate.

Daytime high
15°
10th warmest
Overnight low
13°
3rd coldest
Rainfall
10 mm
3.8 wet days
Daylight
10 h 42 min
8:27 AM – 7:07 PM
Cloud cover
38%
8th clearest
Wind
10 km/h
11th windiest
Solar energy
4.22 kWh/m²
Travel score
5.6
out of 10

Antofagasta is city in Antofagasta Region, Chile.

Air quality
Moderate
PM2.5 12 µg/m³ · 2019
Density
7,147/km²
people per km²
Founded
1868

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 15°C through the month.

A typical July day in Antofagasta reaches about 15°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 17°C. Set against its neighbours, July runs on par with June and on par with August.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11513
21513
31513
41513
51513
61513
71513
81513
91513
101513
111513
121513
131513
141513
151513
161513
171513
181513
191513
201513
211513
221513
231513
241513
251513
261513
271513
281513
291513
301513
311513

Antofagasta weather by month

How July compares with the rest of the year at a glance. July is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 18°20.113.38.1
Feb20° / 18°20.512.88.2
Mar19° / 17°40.612.28.0
Apr18° / 16°92.811.57.1
May17° / 15°103.910.96.3
Jun16° / 14°13410.65.9
Jul15° / 13°103.810.75.6
Aug15° / 13°82.611.25.6
Sep15° / 13°51.811.95.8
Oct16° / 13°50.912.66.1
Nov17° / 15°40.713.16.8
Dec18° / 16°20.113.47.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57228
67228
77228
87327
97327
107426
117426
127525
137525
147624
157624
167624
177624
187723
197723
207723
217723
227723
237723
247822
257822
267822
277822
287822
297822
307723
317624

Chance of precipitation in July

Any precipitation

Antofagasta gets around 10 mm of rain over 3.8 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 12% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
615
715
815
914
1014
1114
1214
1313
1413
1512
1612
1712
1811
1911
2011
2110
2210
2310
2410
259
269
279
289
299
309
319

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
147530
248520
349510
450500
551490
652480
753470
854460
955450
1057430
1158420
1259410
1360400
1461390
1563370
1664360
1765350
1867330
1968320
2070300
2171290
2272280
2373270
2474260
2575250
2676240
2777230
2877230
2978220
3077221
3177221

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 36 min at the start of July to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 8:28 AM to 8:21 AM, and sunset from 7:02 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:287:02
210.68:287:02
310.68:287:02
410.68:287:03
510.68:287:03
610.68:287:03
710.68:287:04
810.68:287:04
910.68:287:05
1010.68:287:05
1110.68:287:05
1210.68:287:06
1310.68:287:06
1410.78:277:07
1510.78:277:07
1610.78:277:07
1710.78:277:08
1810.78:277:08
1910.78:267:09
2010.78:267:09
2110.78:267:10
2210.78:257:10
2310.88:257:10
2410.88:257:11
2510.88:247:11
2610.88:247:12
2710.88:237:12
2810.88:237:13
2910.88:227:13
3010.98:227:14
3110.98:217:14

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.22 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 8.34 kWh/m² in December across the year — July's 4.22 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Antofagasta?

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

5.6
Sightseeing
11th-best month of the year
0.2
Beach & pool
10th-best month of the year

July is a reasonable time to visit Antofagasta for sightseeing.

What to pack for Antofagasta in July

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

In July, Antofagasta sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

Sea temperature near Antofagasta in July

The nearest coast averages about 15°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 20°C and coldest in August near 15°C.

It's comfortable for a long swim from Jan 16 to Feb 17 — about 1.1 months when the water holds above 20°C.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Refreshing
Mar19Cool
Apr18Cool
May17Cool
Jun16Cool
Jul15Cool
Aug15Cool
Sep15Cool
Oct16Cool
Nov18Cool
Dec19Cool

UV index in Antofagasta 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 Antofagasta peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 10UV 15Jul 10UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Antofagasta 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 Antofagasta is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (March, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Antofagasta's WHO annual average of 12 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1719 µg/m³Mar 127 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr10Good
May16Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is Antofagasta?

Antofagasta sits at 23.7°S, 70.4°W, 276 m above sea level, in Chile. The nearest listed city is Tocopilla, 175 km away.

Alto HospicioCalderaPozo AlmonteIquiqueCopiapó

Topography around Antofagasta

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

Within 3 km, the terrain around Antofagasta has significant variations in elevation — a maximum elevation change of 487 m around an average of 103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,138 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,608 m.

The land around Antofagasta is covered by water (40%), artificial surfaces (30%) and bare terrain (30%) within 3 km, bare terrain (54%) and water (42%) within 16 km, and bare terrain (68%) and water (32%) within 80 km.

3 km
487 m
16 km
1,138 m
80 km
2,608 m
artificial surfacesbare terrainwater
July weather nearby: Tocopilla 175 km · Calama 201 km · San Pedro de Atacama 239 km · Alto Hospicio 377 km · Caldera 382 km · Pozo Almonte 383 km · Iquique 383 km · Copiapó 413 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 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 Antofagasta (-23.6509°, -70.3975°, elevation 276 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).