Buin weather in April

In April, Buin sees average daytime highs of 22°C and overnight lows near 9°C, with 29 mm of rain across 3.1 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 62% 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 42 min by month's end. Set against the rest of the year, April is Buin's 6th-clearest and 8th-windiest month. For the whole year in context, see Buin's year-round climate.

Daytime high
22°
6th warmest
Overnight low
7th coldest
Rainfall
29 mm
3.1 wet days
Daylight
11 h 12 min
8:08 AM – 7:18 PM
Cloud cover
33%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
4.54 kWh/m²
Travel score
8.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 20°C by the end.

A typical April day in Buin reaches about 22°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, April runs about 4°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12411
22411
32411
42411
52410
62310
72310
82310
92310
102310
11239
12229
13229
14229
15229
16229
17229
18228
19218
20218
21218
22218
23218
24218
25218
26217
27217
28207
29207
30207

Buin weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°30.9147.7
Feb28° / 15°4113.38.3
Mar26° / 13°71.112.38.9
Apr22° / 293.111.28.2
May18° / 70610.36.5
Jun15° / 1267.89.84.8
Jul15° / 947.2104.7
Aug16° / 837.410.75.5
Sep18° / 577.211.86.4
Oct21° / 385.212.87.4
Nov24° / 11°152.813.88.7
Dec27° / 13°71.214.28.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38218
48119
58020
67921
77822
87723
97723
107624
117525
127525
137426
147327
157228
167129
177129
187030
197030
207129
217129
227129
237030
247030
256931
266931
276832
286832
296832
306733

Chance of precipitation in April

Any precipitation

Buin gets around 29 mm of rain over 3.1 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 10% and peaks near 12% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
16
26
36
47
57
68
79
89
910
1010
1111
1211
1311
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2411
2511
2611
2712
2812
2912
3012

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

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
231000
241000
251000
261000
271000
281000
291000
301000

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

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

Days shrink by about 60 minutes over April. Sunrise moves from 7:57 AM to 8:19 AM, and sunset from 7:38 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:577:38
211.77:587:37
311.67:597:35
411.67:597:34
511.58:007:33
611.58:017:31
711.58:027:30
811.48:027:29
911.48:037:27
1011.48:047:26
1111.38:057:25
1211.38:057:23
1311.38:067:22
1411.28:077:21
1511.28:087:19
1611.28:087:18
1711.18:097:17
1811.18:107:15
1911.18:117:14
2011.08:117:13
2111.08:127:12
2211.08:137:11
2310.98:147:09
2410.98:157:08
2510.98:157:07
2610.88:167:06
2710.88:177:05
2810.88:187:04
2910.78:187:03
3010.78:197:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 8.83 kWh/m² in December across the year — April's 4.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.3Bright
45.3Bright
55.2Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.8Moderate
Planning a trip in April

Hazard calendar for Buin

In seasonPeak

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

Buin's rainy season runs May–September, 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 Buin?

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

8.2
Sightseeing
5th-best month of the year
5.7
Beach & pool
6th-best month of the year

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

What to pack for Buin in April

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

In April, Buin sees daytime highs around 22°C and nights near 9°C. Worth packing: light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Buin 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 Buin peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 17UV 13Jun 15UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5Moderate
May3Moderate
Jun3Moderate
Jul3Moderate
Aug3Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in Buin 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 Buin is worst in July — around 108 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (December, 28 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 16107 µg/m³Dec 2128 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb31Moderate
Mar41Poor
Apr56Unhealthy
May80Unhealthy
Jun96Unhealthy
Jul108Unhealthy
Aug95Unhealthy
Sep78Unhealthy
Oct55Poor
Nov35Poor
Dec28Moderate
Location & terrain

Where is Buin?

Buin sits at 33.7°S, 70.7°W, 483 m above sea level, in Chile. The nearest listed city is Paine, 8.0 km away.

Topography around Buin

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

Within 3 km, the terrain around Buin has only modest variations in elevation — a maximum elevation change of 74 m around an average of 473 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,416 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,085 m.

The land around Buin is covered by cropland (31%) and artificial surfaces (30%) within 3 km, cropland (33%) within 16 km, and shrubs (25%), grassland (23%) and bare terrain (21%) within 80 km.

3 km
74 m
16 km
1,416 m
80 km
6,085 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and ice
April weather nearby: Paine 8.0 km · San Bernardo 16 km · Talagante 19 km · Peñaflor 19 km · Padre Hurtado 19 km · La Pintana 19 km · Puente Alto 20 km · El Monte 23 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 Buin (-33.7326°, -70.7428°, elevation 483 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).