San Carlos weather in August

In August, San Carlos sees average daytime highs of 14°C and overnight lows near 5°C, with 168 mm of rain across 11.4 wet days and about 10.6 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of August to 11 h 06 min by month's end. Set against the rest of the year, August is San Carlos's 9th-clearest and 6th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
14°
10th warmest
Overnight low
2nd coldest
Rainfall
168 mm
11.4 wet days
Daylight
10 h 36 min
8:34 AM – 7:10 PM
Cloud cover
59%
9th clearest
Wind
11 km/h
6th windiest
Solar energy
3.03 kWh/m²
Travel score
4.2
out of 10

San Carlos is city of Chile.

Founded
1800

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 15°C by the end.

A typical August day in San Carlos reaches about 14°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 18°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3134
4134
5144
6144
7144
8145
9145
10145
11145
12145
13145
14145
15145
16155
17155
18155
19155
20155
21155
22155
23155
24155
25156
26156
27156
28156
29156
30156
31156

San Carlos weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 13°101.314.28.6
Feb27° / 12°241.813.48.6
Mar24° / 11°232.312.38.7
Apr20° / 745.311.17.2
May16° / 1939.810.14.8
Jun13° / 26713.39.63.3
Jul13° / 20411.59.83.4
Aug14° / 16811.410.64.2
Sep17° / 967.211.85.7
Oct19° / 646.512.96.9
Nov22° / 293.513.98.2
Dec25° / 11°222.414.48.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44258
54258
64357
74357
84357
94357
104456
114555
124555
134654
144753
154654
164753
174654
184654
194654
204555
214555
224555
234555
244555
254555
264456
274456
284456
294456
304456
314456

Chance of precipitation in August

Any precipitation

San Carlos gets around 168 mm of rain over 11.4 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
338
438
538
638
738
838
938
1037
1137
1236
1335
1435
1534
1634
1734
1834
1934
2035
2135
2235
2335
2435
2534
2634
2734
2834
2934
3034
3134

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.

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 August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 06 min at the start of August to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over August. Sunrise moves from 8:50 AM to 8:13 AM, and sunset from 6:58 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.18:506:58
210.28:496:58
310.28:486:59
410.28:477:00
510.28:467:01
610.38:457:02
710.38:447:03
810.38:437:03
910.48:427:04
1010.48:417:05
1110.48:407:06
1210.58:397:07
1310.58:387:07
1410.58:367:08
1510.68:357:09
1610.68:347:10
1710.68:337:11
1810.78:317:12
1910.78:307:12
2010.78:297:13
2110.88:277:14
2210.88:267:15
2310.98:257:16
2410.98:237:17
2510.98:227:17
2611.08:217:18
2711.08:197:19
2811.08:187:20
2911.18:167:21
3011.18:157:22
3111.18:137:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.03 kWh/m².

For context, solar energy here swings from a low near 1.87 kWh/m² to a high of 8.62 kWh/m² in January across the year — August's 3.03 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.9Moderate
112.9Moderate
122.9Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.5Moderate
293.5Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Hazard calendar for San Carlos

In seasonPeak

In August, San Carlos sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Carlos's rainy season runs May–August, when most of the year's rain falls.

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

Is August a good time to visit San Carlos?

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

4.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

August is a reasonable time to visit San Carlos for sightseeing.

What to pack for San Carlos in August

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

In August, San Carlos sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in San Carlos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3 — 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 Carlos peaks around January 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 12Jun 16UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Carlos 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 San Carlos is worst in April — around 40 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodApr 1539 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar30Moderate
Apr40Poor
May27Moderate
Jun15Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov10Good
Dec9Good
Location & terrain

Where is San Carlos?

San Carlos sits at 36.4°S, 72.0°W, 186 m above sea level, in Chile. The nearest listed city is Chillán, 24 km away.

Topography around San Carlos

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

Within 3 km, the terrain around San Carlos has only modest variations in elevation — a maximum elevation change of 37 m around an average of 175 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,164 m.

The land around San Carlos is covered by grassland (35%) and cropland (30%) within 3 km, cropland (42%) and grassland (36%) within 16 km, and trees (46%), grassland (30%) and cropland (20%) within 80 km.

3 km
37 m
16 km
164 m
80 km
3,164 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Chillán 24 km · Coihueco 25 km · Chillán Viejo 27 km · Parral 33 km · Longaví 57 km · Quillón 58 km · Cauquenes 60 km · Coelemu 67 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 Carlos (-36.4248°, -71.958°, elevation 186 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. 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).