San Pedro de Atacama weather in July

In July, San Pedro de Atacama sees average daytime highs of 19°C and overnight lows near 3°C, with 2 mm of precipitation across 0.7 wet days and about 10.7 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 81% 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 San Pedro de Atacama's 6th-clearest and 5th-windiest month. For the whole year in context, see San Pedro de Atacama's year-round climate.

Daytime high
19°
12th warmest
Overnight low
1st coldest
Precipitation
2 mm
0.7 wet days
Daylight
10 h 42 min
8:17 AM – 7:00 PM
Cloud cover
18%
6th clearest
Wind
8 km/h
5th windiest
Solar energy
5.09 kWh/m²
Travel score
8.2
out of 10

San Pedro de Atacama is town in Chile.

Density
4,745/km²
people per km²
Founded
1450

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 19°C through the month.

A typical July day in San Pedro de Atacama reaches about 19°C in the afternoon and slips back to 3°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

10°20°151015202531
Avg high (°C)Avg low (°C)
1183
2183
3183
4183
5183
6182
7182
8182
9182
10182
11182
12192
13192
14192
15192
16192
17192
18192
19192
20192
21192
22192
23192
24193
25193
26193
27193
28193
29193
30193
31203

How July really feels in San Pedro de Atacama

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 4 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
4
wind chill below the day's low

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

San Pedro de Atacama weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 13°223.813.28.0
Feb25° / 12°284.612.88.0
Mar25° / 11°142.512.28.8
Apr23° / 30.611.59.2
May20° / 30.710.98.6
Jun19° / 20.310.68.2
Jul19° / 20.710.78.2
Aug20° / 30.511.28.7
Sep22° / 20.411.99.2
Oct24° / 00.112.59.5
Nov26° / 10°0013.19.2
Dec26° / 12°20.613.48.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 6% of July, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38614
48515
58515
68515
78515
88515
98515
108614
118614
128614
138614
148614
158713
168713
178713
188812
198812
208812
218911
228911
238911
24919
25919
26919
27928
28928
29928
30928
31928

Chance of precipitation in July

Any precipitation

San Pedro de Atacama gets around 2 mm of rain and snow over 0.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 2% and peaks near 3% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
122
132
142
152
162
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 8:18 AM to 8:11 AM, and sunset from 6:54 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:186:54
210.68:186:55
310.68:186:55
410.68:186:55
510.68:186:56
610.68:186:56
710.68:186:56
810.68:186:57
910.78:186:57
1010.78:186:58
1110.78:186:58
1210.78:186:58
1310.78:176:59
1410.78:176:59
1510.78:177:00
1610.78:177:00
1710.78:177:00
1810.78:167:01
1910.88:167:01
2010.88:167:02
2110.88:167:02
2210.88:157:03
2310.88:157:03
2410.88:147:03
2510.88:147:04
2610.88:147:04
2710.98:137:05
2810.98:137:05
2910.98:127:06
3010.98:127:06
3110.98:117:06

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 9.24 kWh/m² in December across the year — July's 5.09 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit San Pedro de Atacama?

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

8.2
Sightseeing
9th-best month of the year
3.3
Beach & pool
12th-best month of the year

July is one of the better times to visit San Pedro de Atacama for general sightseeing.

What to pack for San Pedro de Atacama in July

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

In July, San Pedro de Atacama sees daytime highs around 19°C and nights near 3°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in San Pedro de Atacama in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — 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 Pedro de Atacama peaks around January 13 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 13UV 17Jul 10UV 7
UV index (midday)Level
Jan17Extreme
Feb17Extreme
Mar15Extreme
Apr11Extreme
May9Very high
Jun7High
Jul7High
Aug10Very high
Sep13Extreme
Oct15Extreme
Nov16Extreme
Dec17Extreme
Location & terrain

Where is San Pedro de Atacama?

San Pedro de Atacama sits at 22.9°S, 68.2°W, 0 m above sea level, in Chile. The nearest listed city is Calama, 90 km away.

VillazónTupizaUyuniSan Salvador de JujuyPozo Almonte

Topography around San Pedro de Atacama

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

Within 3 km, the terrain around San Pedro de Atacama has only modest variations in elevation — a maximum elevation change of 228 m around an average of 2,445 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,696 m.

The land around San Pedro de Atacama is covered by bare terrain (81%) within 3 km, bare terrain (98%) within 16 km, and bare terrain (96%) within 80 km.

3 km
228 m
16 km
704 m
80 km
3,696 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Calama 90 km · Tocopilla 224 km · Antofagasta 239 km · Villazón 283 km · Tupiza 303 km · Uyuni 307 km · San Salvador de Jujuy 329 km · Pozo Almonte 338 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 San Pedro de Atacama (-22.9111°, -68.2011°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).