Vallenar weather in August

In August, Vallenar sees average daytime highs of 20°C and overnight lows near 7°C, with 9 mm of rain across 0.8 wet days and about 11 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 75% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Vallenar's 9th-clearest and 8th-windiest month. For the whole year in context, see Vallenar's year-round climate.

Daytime high: 20°; 10th warmest
Overnight low: 7°; 3rd coldest
Rainfall: 9 mm; 0.8 wet days
Daylight: 11 hours; 8:18 AM – 7:16 PM
Cloud cover: 23%; 9th clearest
Wind: 6 km/h; 8th windiest
Solar energy: 5.01 kWh/m²
Travel score: 8.3; out of 10

Vallenar is city in Chile.

Density: 3,560/km²; people per km²
Founded: 1789

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

← July Vallenar year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical August day in Vallenar reaches about 20°C in the afternoon and slips back to 7°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	19	19	19	19	19	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	21	21
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8

	Avg high (°C)	Avg low (°C)
1	19	6
2	19	6
3	19	6
4	19	6
5	19	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	7
12	20	7
13	20	7
14	20	7
15	20	7
16	20	7
17	20	7
18	20	7
19	20	7
20	20	7
21	20	7
22	20	7
23	20	7
24	20	7
25	20	7
26	20	8
27	20	8
28	20	8
29	20	8
30	21	8
31	21	8

Vallenar weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 16°	0	0	13.6	9.2
Feb	26° / 15°	0	0	13	9.3
Mar	25° / 14°	4	0.2	12.2	9.5
Apr	23° / 12°	2	0.4	11.3	9.3
May	21° / 9°	8	1	10.6	8.3
Jun	19° / 7°	13	1.4	10.2	7.9
Jul	19° / 6°	9	1.4	10.4	8.0
Aug	20° / 7°	9	0.8	11	8.3
Sep	21° / 9°	1	0.4	11.8	8.8
Oct	23° / 11°	1	0.2	12.7	9.2
Nov	24° / 13°	0	0	13.4	9.7
Dec	25° / 14°	0	0	13.8	9.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 16%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	81	81	81	81	81	81	81	82	82	83	83	84	84	85	85	85	85	86	85	85	86	85	85	84	85	85	84	84	84	84	84
Cloudier (%)	19	19	19	19	19	19	19	18	18	17	17	16	16	15	15	15	15	14	15	15	14	15	15	16	15	15	16	16	16	16	16

	Clearer (%)	Cloudier (%)
1	81	19
2	81	19
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	82	18
9	82	18
10	83	17
11	83	17
12	84	16
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	86	14
19	85	15
20	85	15
21	86	14
22	85	15
23	85	15
24	84	16
25	85	15
26	85	15
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

Chance of precipitation in August

Any precipitation

Vallenar gets around 9 mm of rain over 0.8 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 3% and peaks near 3% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 36 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 8:30 AM to 8:02 AM, and sunset from 7:08 PM to 7:24 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.6	10.6	10.7	10.7	10.7	10.7	10.8	10.8	10.8	10.8	10.8	10.9	10.9	10.9	10.9	11.0	11.0	11.0	11.0	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.3	11.4
Sunrise (AM)	8:30	8:30	8:29	8:28	8:28	8:27	8:26	8:25	8:24	8:24	8:23	8:22	8:21	8:20	8:19	8:18	8:17	8:16	8:15	8:14	8:13	8:12	8:11	8:10	8:09	8:08	8:06	8:05	8:04	8:03	8:02
Sunset (PM)	7:08	7:08	7:09	7:09	7:10	7:11	7:11	7:12	7:12	7:13	7:13	7:14	7:15	7:15	7:16	7:16	7:17	7:17	7:18	7:18	7:19	7:20	7:20	7:21	7:21	7:22	7:22	7:23	7:23	7:24	7:24

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	8:30	7:08
2	10.6	8:30	7:08
3	10.7	8:29	7:09
4	10.7	8:28	7:09
5	10.7	8:28	7:10
6	10.7	8:27	7:11
7	10.8	8:26	7:11
8	10.8	8:25	7:12
9	10.8	8:24	7:12
10	10.8	8:24	7:13
11	10.8	8:23	7:13
12	10.9	8:22	7:14
13	10.9	8:21	7:15
14	10.9	8:20	7:15
15	10.9	8:19	7:16
16	11.0	8:18	7:16
17	11.0	8:17	7:17
18	11.0	8:16	7:17
19	11.0	8:15	7:18
20	11.1	8:14	7:18
21	11.1	8:13	7:19
22	11.1	8:12	7:20
23	11.2	8:11	7:20
24	11.2	8:10	7:21
25	11.2	8:09	7:21
26	11.2	8:08	7:22
27	11.3	8:06	7:22
28	11.3	8:05	7:23
29	11.3	8:04	7:23
30	11.3	8:03	7:24
31	11.4	8:02	7:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.01 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 9.24 kWh/m² in December across the year — August's 5.01 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.5	4.5	4.5	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.6	5.6	5.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.5	Bright
2	4.5	Bright
3	4.5	Bright
4	4.6	Bright
5	4.6	Bright
6	4.6	Bright
7	4.7	Bright
8	4.7	Bright
9	4.7	Bright
10	4.8	Bright
11	4.8	Bright
12	4.8	Bright
13	4.9	Bright
14	4.9	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.1	Bright
19	5.1	Bright
20	5.2	Bright
21	5.2	Bright
22	5.3	Bright
23	5.3	Bright
24	5.3	Bright
25	5.4	Bright
26	5.4	Bright
27	5.5	Bright
28	5.5	Bright
29	5.6	Bright
30	5.6	Bright
31	5.7	Bright

Planning a trip in August

Is August a good time to visit Vallenar?

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

8.3

Sightseeing

9th-best month of the year

4.2

Beach & pool

10th-best month of the year

August is one of the better times to visit Vallenar for general sightseeing.

What to pack for Vallenar in August

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

In August, Vallenar sees daytime highs around 20°C and nights near 7°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

Sea temperature near Vallenar in August

The nearest coast averages about 14°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 60 km away) is warmest in February at about 18°C and coldest in August near 14°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	18	18	18	17	16	15	14	14	14	14	15	16
Comfort	Cool	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool

	Sea temperature (°C)	Comfort
Jan	18	Cool
Feb	18	Cool
Mar	18	Cool
Apr	17	Cool
May	16	Cool
Jun	15	Bracing
Jul	14	Bracing
Aug	14	Bracing
Sep	14	Bracing
Oct	14	Bracing
Nov	15	Bracing
Dec	16	Cool

UV index in Vallenar in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vallenar peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	15	12	7	5	4	4	6	8	12	12	13
Level	Extreme	Extreme	Extreme	High	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	12	Extreme
Apr	7	High
May	5	Moderate
Jun	4	Moderate
Jul	4	Moderate
Aug	6	High
Sep	8	Very high
Oct	12	Extreme
Nov	12	Extreme
Dec	13	Extreme

Location & terrain

Where is Vallenar?

Vallenar sits at 28.6°S, 70.8°W, 388 m above sea level, in Chile. The nearest listed city is Copiapó, 141 km away.

Topography around Vallenar

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

Within 3 km, the terrain around Vallenar has only modest variations in elevation — a maximum elevation change of 210 m around an average of 468 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,526 m.

The land around Vallenar is covered by bare terrain (55%) and artificial surfaces (23%) within 3 km, bare terrain (84%) within 16 km, and bare terrain (69%) within 80 km.

3 km

210 m

bare terrain 55%

16 km

1,150 m

bare terrain 84%

80 km

4,526 m

bare terrain 69%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← July Vallenar year-round climate September →Best places to visit in August

August weather nearby: Copiapó 141 km · La Serena 155 km · Vicuña 162 km · Coquimbo 163 km · Caldera 168 km · Ovalle 229 km · Chilecito 324 km · Illapel 342 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

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 Vallenar (-28.5762°, -70.7594°, elevation 388 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).

	Avg high (°C)	Avg low (°C)
1	19	6
2	19	6
3	19	6
4	19	6
5	19	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	7
12	20	7
13	20	7
14	20	7
15	20	7
16	20	7
17	20	7
18	20	7
19	20	7
20	20	7
21	20	7
22	20	7
23	20	7
24	20	7
25	20	7
26	20	8
27	20	8
28	20	8
29	20	8
30	21	8
31	21	8

	Clearer (%)	Cloudier (%)
1	81	19
2	81	19
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	82	18
9	82	18
10	83	17
11	83	17
12	84	16
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	86	14
19	85	15
20	85	15
21	86	14
22	85	15
23	85	15
24	84	16
25	85	15
26	85	15
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	19	6
2	19	6
3	19	6
4	19	6
5	19	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	7
12	20	7
13	20	7
14	20	7
15	20	7
16	20	7
17	20	7
18	20	7
19	20	7
20	20	7
21	20	7
22	20	7
23	20	7
24	20	7
25	20	7
26	20	8
27	20	8
28	20	8
29	20	8
30	21	8
31	21	8

	Clearer (%)	Cloudier (%)
1	81	19
2	81	19
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	82	18
9	82	18
10	83	17
11	83	17
12	84	16
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	86	14
19	85	15
20	85	15
21	86	14
22	85	15
23	85	15
24	84	16
25	85	15
26	85	15
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	19	6
2	19	6
3	19	6
4	19	6
5	19	6
6	20	6
7	20	6
8	20	6
9	20	6
10	20	6
11	20	7
12	20	7
13	20	7
14	20	7
15	20	7
16	20	7
17	20	7
18	20	7
19	20	7
20	20	7
21	20	7
22	20	7
23	20	7
24	20	7
25	20	7
26	20	8
27	20	8
28	20	8
29	20	8
30	21	8
31	21	8

	Clearer (%)	Cloudier (%)
1	81	19
2	81	19
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	82	18
9	82	18
10	83	17
11	83	17
12	84	16
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	86	14
19	85	15
20	85	15
21	86	14
22	85	15
23	85	15
24	84	16
25	85	15
26	85	15
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100