San Carlos weather in January

In January, San Carlos sees average daytime highs of 27°C and overnight lows near 13°C, with 10 mm of rain across 1.3 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 81% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of January to 13 h 54 min by month's end. Set against the rest of the year, January is San Carlos's 1st-clearest and 1st-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
27°
1st warmest
Overnight low
13°
12th coldest
Rainfall
10 mm
1.3 wet days
Daylight
14 h 12 min
6:50 AM – 9:04 PM
Cloud cover
17%
1st clearest
Wind
13 km/h
1st windiest
Solar energy
8.62 kWh/m²
Travel score
8.6
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in San Carlos reaches about 27°C in the afternoon and slips back to 13°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12712
22712
32712
42712
52712
62712
72712
82713
92713
102713
112713
122713
132713
142713
152713
162713
172813
182813
192813
202813
212813
222813
232813
242813
252813
262813
272813
282813
292813
302813
312713

San Carlos weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28911
38911
48911
58911
69010
79010
89010
99010
109010
119010
129010
139010
149010
159010
168911
178911
188911
198911
208911
218911
228911
238911
248911
258911
268911
278911
288911
298911
308911
318911

Chance of precipitation in January

Any precipitation

San Carlos gets around 10 mm of rain over 1.3 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
75
85
95
105
115
125
135
145
155
165
174
184
194
204
214
224
234
244
254
264
274
284
294
304
314

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
176231
276231
376231
476231
576231
676231
775241
874242
974242
1074242
1173252
1273252
1372253
1471263
1571263
1670273
1769274
1869274
1968284
2068284
2168284
2268284
2368284
2468284
2569274
2669274
2769274
2870264
2970264
3071254
3171254

Wind in January

Winds average 13 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 24 min at the start of January to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:38 AM to 7:05 AM, and sunset from 9:04 PM to 8:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.46:389:04
214.46:389:05
314.46:399:05
414.46:409:05
514.46:419:05
614.46:419:05
714.46:429:05
814.46:439:05
914.46:449:05
1014.36:459:05
1114.36:469:05
1214.36:479:05
1314.36:479:05
1414.36:489:04
1514.26:499:04
1614.26:509:04
1714.26:519:04
1814.26:529:03
1914.26:539:03
2014.16:549:03
2114.16:559:02
2214.16:569:02
2314.16:579:02
2414.06:589:01
2514.06:599:01
2614.07:009:00
2714.07:018:59
2813.97:028:59
2913.97:038:58
3013.97:048:58
3113.97:058:57

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 8.62 kWh/m² — the sunniest month for solar.

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 — January's 8.62 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.8Intense
28.8Intense
38.8Intense
48.8Intense
58.8Intense
68.8Intense
78.8Intense
88.8Intense
98.8Intense
108.7Intense
118.7Intense
128.7Intense
138.7Intense
148.7Intense
158.6Intense
168.6Intense
178.6Intense
188.6Intense
198.6Intense
208.5Intense
218.5Intense
228.5Intense
238.4Intense
248.4Intense
258.4Intense
268.3Intense
278.3Intense
288.3Intense
298.2Intense
308.2Intense
318.2Intense
Planning a trip in January

Hazard calendar for San Carlos

In seasonPeak

None of San Carlos's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit San Carlos?

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

8.6
Sightseeing
3rd-best month of the year
8.7
Beach & pool
1st-best month of the year

January is one of the better times to visit San Carlos for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Carlos in January

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

In January, San Carlos sees daytime highs around 27°C and nights near 13°C. Pack light clothes and sun protection.

light clothessun protection

UV index in San Carlos in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).