Valparaiso weather in August

In August, Valparaiso sees average daytime highs of 13°C and overnight lows near 11°C, with 57 mm of rain across 4.6 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 43% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Valparaiso's 9th-clearest and 5th-windiest month. For the whole year in context, see Valparaiso's year-round climate.

Daytime high
13°
12th warmest
Overnight low
11°
1st coldest
Rainfall
57 mm
4.6 wet days
Daylight
10 h 48 min
8:28 AM – 7:14 PM
Cloud cover
49%
9th clearest
Wind
21 km/h
5th windiest
Solar energy
3.91 kWh/m²
Travel score
4.1
out of 10

Valparaiso is city in Chile.

Air quality
Moderate
PM2.5 13.7 µg/m³ · 2019
Density
5,887/km²
people per km²
Founded
1536

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 13°C through the month.

A typical August day in Valparaiso reaches about 13°C in the afternoon and slips back to 11°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 14°C. Set against its neighbours, August runs on par with July and on par with September.

10°13°15°151015202531
Avg high (°C)Avg low (°C)
11311
21311
31311
41311
51311
61311
71311
81311
91311
101311
111311
121311
131311
141311
151311
161311
171311
181311
191311
201311
211311
221311
231311
241311
251311
261311
271311
281311
291311
301311
311311

Valparaiso weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 16°00.113.97.2
Feb17° / 16°10.213.27.3
Mar17° / 15°20.612.36.9
Apr15° / 14°161.811.25.9
May14° / 13°614.410.34.9
Jun14° / 12°1216.89.94.2
Jul13° / 11°675.5104.1
Aug13° / 11°574.610.84.1
Sep13° / 12°27311.84.4
Oct13° / 12°131.712.84.8
Nov14° / 13°30.413.75.6
Dec16° / 15°30.314.16.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75941
85941
96040
106040
116040
126040
136040
146040
156139
166139
176040
186040
196040
206040
215941
225941
235941
245941
255941
265941
275941
285842
295842
305941
315941

Chance of precipitation in August

Any precipitation

Valparaiso gets around 57 mm of rain over 4.6 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 15% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
515
615
715
815
914
1014
1114
1214
1314
1414
1514
1614
1714
1815
1915
2015
2115
2215
2315
2415
2515
2615
2715
2815
2915
3015
3115

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28982
29982
30982
31982

Wind in August

Winds average 21 km/h in August.

Across August, daily wind ranges from about 21 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 24 min at the start of August to 11 h 12 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 8:42 AM to 8:09 AM, and sunset from 7:03 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.48:427:03
210.48:417:04
310.48:407:05
410.48:407:05
510.58:397:06
610.58:387:07
710.58:377:07
810.58:367:08
910.68:357:09
1010.68:347:09
1110.68:337:10
1210.78:327:11
1310.78:317:12
1410.78:307:12
1510.78:297:13
1610.88:287:14
1710.88:267:14
1810.88:257:15
1910.98:247:16
2010.98:237:16
2110.98:227:17
2211.08:217:18
2311.08:197:19
2411.08:187:19
2511.18:177:20
2611.18:167:21
2711.18:147:21
2811.28:137:22
2911.28:127:23
3011.28:107:23
3111.28:097:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.91 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 8.82 kWh/m² in December across the year — August's 3.91 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.7Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.9Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Bright
194.0Bright
204.1Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.5Bright
314.5Bright
Planning a trip in August

Is August a good time to visit Valparaiso?

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

4.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

August is a reasonable time to visit Valparaiso for sightseeing.

What to pack for Valparaiso in August

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

In August, Valparaiso sees daytime highs around 13°C and nights near 11°C. Worth packing: a warm layer and a windbreaker. About 5 days see rain.

a warm layera windbreaker

Sea temperature near Valparaiso in August

The nearest coast averages about 13°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 18 km away) is warmest in February at about 17°C and coldest in August near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar17Cool
Apr15Cool
May14Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct13Bracing
Nov14Bracing
Dec16Cool

UV index in Valparaiso in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valparaiso peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 18UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Valparaiso in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Valparaiso is worst in January — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Valparaiso's WHO annual average of 13.7 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1821 µg/m³Mar 2210 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb16Moderate
Mar10Good
Apr11Good
May12Moderate
Jun13Moderate
Jul12Moderate
Aug14Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Valparaiso?

Valparaiso sits at 33.0°S, 71.6°W, 15 m above sea level, in Chile. The nearest listed city is Vina del Mar, 7.0 km away.

Topography around Valparaiso

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

Within 3 km, the terrain around Valparaiso has significant variations in elevation — a maximum elevation change of 429 m around an average of 84 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 585 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,320 m.

The land around Valparaiso is covered by water (44%) and artificial surfaces (43%) within 3 km, water (53%) and trees (23%) within 16 km, and water (37%) and shrubs (24%) within 80 km.

3 km
429 m
16 km
585 m
80 km
2,320 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Vina del Mar 7.0 km · Placilla 10 km · Concón 17 km · Quilpué 17 km · Villa Alemana 24 km · Quintero 29 km · Limache 34 km · Casablanca 38 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 Valparaiso (-33.036°, -71.6296°, elevation 15 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).