Arica weather in August

In August, Arica sees average daytime highs of 19°C and overnight lows near 14°C, with 20 mm of rain across 6.8 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 4th-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 0% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Arica's 9th-clearest and 6th-windiest month. For the whole year in context, see Arica's year-round climate.

Daytime high
19°
11th warmest
Overnight low
14°
2nd coldest
Rainfall
20 mm
6.8 wet days
Daylight
11 h 24 min
8:04 AM – 7:26 PM
Cloud cover
75%
9th clearest
Wind
8 km/h
6th windiest
Solar energy
5.16 kWh/m²
Travel score
6.2
out of 10

Arica is city of Chile.

Air quality
Moderate
PM2.5 11.6 µg/m³ · 2019
Density
5,554/km²
people per km²
Founded
1541

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical August day in Arica reaches about 19°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 20°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11913
21913
31913
41913
51913
61913
71913
81913
91913
101913
111913
121913
131913
141913
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251914
261914
271914
281914
291914
301914
311914

Arica weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 20°102.3137.4
Feb26° / 20°7212.67.4
Mar26° / 19°40.712.17.8
Apr24° / 18°71.711.68.0
May22° / 16°248.911.16.5
Jun20° / 14°3012.710.95.6
Jul19° / 13°2910.6115.7
Aug19° / 14°206.811.46.2
Sep20° / 14°154.411.96.7
Oct21° / 15°9212.47.3
Nov23° / 16°40.312.98.1
Dec25° / 18°50.813.18.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 2% of August, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14298
15397
16397
17397
18397
19397
20397
21397
22397
23397
24397
25397
26496
27496
28397
29397
30397
31496

Chance of precipitation in August

Any precipitation

Arica gets around 20 mm of rain over 6.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% 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
726
825
925
1024
1124
1224
1323
1423
1522
1622
1722
1821
1921
2021
2120
2220
2319
2419
2518
2618
2718
2818
2918
3018
3118

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2946
3946
4946
5946
6937
7937
8937
9928
10928
11919
12919
13919
14919
159010
169010
179010
189010
199010
209010
218911
228911
238911
248911
258911
268812
278812
288713
298713
308614
318515

Wind in August

Winds average 8 km/h in August.

Across August, 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.

051015151015202531
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 August

DaylightNight

Daylight runs from about 11 h 12 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 8:13 AM to 7:53 AM, and sunset from 7:22 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:137:22
211.28:127:22
311.28:127:23
411.28:117:23
511.28:117:23
611.28:107:24
711.28:107:24
811.38:097:24
911.38:097:24
1011.38:087:25
1111.38:077:25
1211.38:077:25
1311.38:067:26
1411.38:067:26
1511.48:057:26
1611.48:047:26
1711.48:047:27
1811.48:037:27
1911.48:027:27
2011.48:017:27
2111.48:017:28
2211.58:007:28
2311.57:597:28
2411.57:587:28
2511.57:587:28
2611.57:577:29
2711.57:567:29
2811.67:557:29
2911.67:547:29
3011.67:547:30
3111.67:537:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.16 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 7.76 kWh/m² in November across the year — August's 5.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Is August a good time to visit Arica?

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

6.2
Sightseeing
10th-best month of the year
2.7
Beach & pool
11th-best month of the year

August is a reasonable time to visit Arica for sightseeing.

What to pack for Arica in August

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

In August, Arica sees daytime highs around 19°C and nights near 14°C. Worth packing: sun protection. About 7 days see rain.

sun protection

Sea temperature near Arica in August

The nearest coast averages about 17°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in February at about 23°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 28 to Apr 30 — about 5.1 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb23Refreshing
Mar22Refreshing
Apr20Refreshing
May20Cool
Jun19Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov20Cool
Dec21Refreshing

UV index in Arica in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arica peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 highExtremeFeb 9UV 15Jul 11UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Arica?

Arica sits at 18.5°S, 70.3°W, 80 m above sea level, in Chile. The nearest listed city is Tacna, 51 km away.

Topography around Arica

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

Within 3 km, the terrain around Arica has significant variations in elevation — a maximum elevation change of 290 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 863 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,342 m.

The land around Arica is covered by artificial surfaces (53%) and bare terrain (26%) within 3 km, bare terrain (56%) and water (37%) within 16 km, and bare terrain (69%) and water (27%) within 80 km.

3 km
290 m
16 km
863 m
80 km
4,342 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Tacna 51 km · Ilo 145 km · San Antonio 155 km · Moquegua 157 km · Iquique 194 km · Alto Hospicio 200 km · Pozo Almonte 205 km · Mollendo 243 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 Arica (-18.4755°, -70.3006°, elevation 80 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).