San Carlos weather in April

In April, San Carlos sees average daytime highs of 20°C and overnight lows near 8°C, with 74 mm of rain across 5.3 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 51% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of April to 10 h 36 min by month's end. Set against the rest of the year, April is San Carlos's 6th-clearest and 11th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
20°
6th warmest
Overnight low
7th coldest
Rainfall
74 mm
5.3 wet days
Daylight
11 h 06 min
8:16 AM – 7:20 PM
Cloud cover
43%
6th clearest
Wind
10 km/h
11th windiest
Solar energy
3.97 kWh/m²
Travel score
7.2
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical April day in San Carlos reaches about 20°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, April runs about 5°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1229
2229
3229
4229
5219
6219
7219
8219
9219
10209
11208
12208
13208
14208
15208
16198
17198
18198
19198
20198
21198
22198
23188
24187
25187
26187
27187
28187
29187
30187

San Carlos weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27228
37129
46931
56832
66832
76733
86634
96634
106535
116535
126436
136436
146436
156436
166238
176238
186238
196238
206139
216040
226040
235941
245941
255941
265842
275743
285644
295644
305545

Chance of precipitation in April

Any precipitation

San Carlos gets around 74 mm of rain over 5.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
113
213
314
415
515
616
716
817
917
1017
1117
1217
1317
1417
1517
1618
1718
1818
1918
2018
2118
2218
2319
2419
2520
2621
2721
2821
2922
3022

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
19010
2919
3919
4919
5928
6928
7928
8937
9937
10946
11946
12946
13955
14955
15955
16964
17964
18964
19964
20964
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over April. Sunrise moves from 8:03 AM to 8:28 AM, and sunset from 7:42 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.78:037:42
211.68:047:41
311.68:057:39
411.58:057:38
511.58:067:36
611.58:077:35
711.48:087:33
811.48:097:32
911.38:107:30
1011.38:117:29
1111.38:127:27
1211.28:127:26
1311.28:137:24
1411.18:147:23
1511.18:157:22
1611.18:167:20
1711.08:177:19
1811.08:187:17
1911.08:187:16
2010.98:197:15
2110.98:207:13
2210.98:217:12
2310.88:227:11
2410.88:237:10
2510.78:247:08
2610.78:257:07
2710.78:267:06
2810.68:267:05
2910.68:277:03
3010.68:287:02

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.97 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 — April's 3.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.1Bright
134.1Bright
144.0Bright
154.0Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.3Moderate
303.2Moderate
Planning a trip in April

Hazard calendar for San Carlos

In seasonPeak

None of San Carlos's seasonal hazards are active in April. 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 April a good time to visit San Carlos?

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

7.2
Sightseeing
6th-best month of the year
3.5
Beach & pool
6th-best month of the year

April is one of the better times to visit San Carlos for general sightseeing.

What to pack for San Carlos in April

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

In April, San Carlos sees daytime highs around 20°C and nights near 8°C. Little to plan around — just the basics. About 5 days see rain.

UV index in San Carlos in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

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