Buin weather in March

In March, Buin sees average daytime highs of 26°C and overnight lows near 13°C, with 7 mm of rain across 1.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 84% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Buin's 3rd-clearest and 5th-windiest month. For the whole year in context, see Buin's year-round climate.

Daytime high
26°
4th warmest
Overnight low
13°
9th coldest
Rainfall
7 mm
1.1 wet days
Daylight
12 h 18 min
7:45 AM – 8:00 PM
Cloud cover
16%
3rd clearest
Wind
5 km/h
5th windiest
Solar energy
6.47 kWh/m²
Travel score
8.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical March day in Buin reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, March runs about 2°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12714
22714
32714
42714
52714
62714
72714
82714
92714
102713
112713
122713
132713
142713
152613
162613
172613
182613
192613
202613
212612
222612
232612
242512
252512
262512
272512
282512
292511
302511
312411

Buin weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 9th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 7% of March, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4937
5937
6937
7928
8928
9928
10928
11928
12928
13928
14928
15928
16928
17919
18919
19919
20919
219010
228911
238812
248812
258812
268713
278614
288614
298515
308515
318515

Chance of precipitation in March

Any precipitation

Buin gets around 7 mm of rain over 1.1 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
33
43
53
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
234
244
254
264
275
285
295
305
315

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179192
281181
381181
482171
583161
683161
784151
885141
985141
1087130
1188120
1289110
1389110
1490100
159190
169190
179280
189370
199370
209460
219460
229550
239550
249640
259640
269640
279640
289730
299730
309730
319730

Wind in March

Winds average 5 km/h in March.

Across March, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 7:33 AM to 7:56 AM, and sunset from 8:20 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:338:20
212.87:338:19
312.77:348:17
412.77:358:16
512.67:368:15
612.67:378:14
712.67:388:12
812.57:388:11
912.57:398:10
1012.57:408:08
1112.47:418:07
1212.47:428:06
1312.47:428:04
1412.37:438:03
1512.37:448:02
1612.37:458:00
1712.27:467:59
1812.27:467:58
1912.27:477:56
2012.17:487:55
2112.17:497:54
2212.07:497:52
2312.07:507:51
2412.07:517:49
2511.97:527:48
2611.97:537:47
2711.97:537:45
2811.87:547:44
2911.87:557:42
3011.87:567:41
3111.77:567:40

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.47 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 — March's 6.47 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.1Intense
47.1Intense
57.0Intense
67.0Intense
77.0Intense
86.9Intense
96.8Intense
106.8Intense
116.8Intense
126.7Intense
136.6Intense
146.6Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Bright
265.9Bright
275.8Bright
285.8Bright
295.7Bright
305.6Bright
315.5Bright
Planning a trip in March

Hazard calendar for Buin

In seasonPeak

None of Buin's seasonal hazards are active in March. 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 March a good time to visit Buin?

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

8.9
Sightseeing
1st-best month of the year
8.5
Beach & pool
4th-best month of the year

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

What to pack for Buin in March

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

In March, Buin sees daytime highs around 26°C and nights near 13°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Buin in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). 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 March

GoodModeratePoorUnhealthyVery unhealthy

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