Vallenar weather in March

In March, Vallenar sees average daytime highs of 25°C and overnight lows near 14°C, with 4 mm of rain across 0.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 93% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Vallenar's 3rd-clearest and 7th-windiest month. For the whole year in context, see Vallenar's year-round climate.

Daytime high
25°
4th warmest
Overnight low
14°
10th coldest
Rainfall
4 mm
0.2 wet days
Daylight
12 h 12 min
7:46 AM – 7:59 PM
Cloud cover
8%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
7.01 kWh/m²
Travel score
9.5
out of 10

Vallenar is city in Chile.

Density
3,560/km²
people per km²
Founded
1789

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical March day in Vallenar reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112515
122515
132515
142515
152514
162514
172514
182514
192514
202514
212514
222514
232514
242514
252414
262414
272414
282413
292413
302413
312413

Vallenar weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°0013.69.2
Feb26° / 15°00139.3
Mar25° / 14°40.212.29.5
Apr23° / 12°20.411.39.3
May21° / 8110.68.3
Jun19° / 131.410.27.9
Jul19° / 91.410.48.0
Aug20° / 90.8118.3
Sep21° / 10.411.88.8
Oct23° / 11°10.212.79.2
Nov24° / 13°0013.49.7
Dec25° / 14°0013.89.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 93% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 3% of March, with mostly cloudy or overcast conditions the remaining 4%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5982
6982
7982
8982
9964
10964
11964
12964
13964
14964
15964
16964
17964
18964
19964
20964
21964
22955
23955
24955
25955
26955
27946
28946
29946
30946
31955

Chance of precipitation in March

Any precipitation

Vallenar gets around 4 mm of rain over 0.2 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
17723
27822
37921
48020
58020
68119
78218
88317
98317
108416
118515
128614
138614
148713
158812
168812
178911
188911
199010
209010
21919
22928
23937
24937
25946
26946
27955
28955
29964
30964
31973

Wind in March

Winds average 6 km/h in March.

Across March, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 7:37 AM to 7:55 AM, and sunset from 8:16 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:378:16
212.67:388:15
312.67:388:13
412.67:398:12
512.57:408:11
612.57:408:10
712.57:418:09
812.47:428:08
912.47:428:07
1012.47:438:06
1112.47:438:05
1212.37:448:04
1312.37:458:03
1412.37:458:01
1512.27:468:00
1612.27:467:59
1712.27:477:58
1812.27:477:57
1912.17:487:56
2012.17:497:54
2112.17:497:53
2212.07:507:52
2312.07:507:51
2412.07:517:50
2511.97:517:48
2611.97:527:47
2711.97:537:46
2811.97:537:45
2911.87:547:44
3011.87:547:42
3111.87:557:41

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 7.01 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 9.24 kWh/m² in December across the year — March's 7.01 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.6Intense
37.6Intense
47.5Intense
57.5Intense
67.5Intense
77.4Intense
87.4Intense
97.3Intense
107.3Intense
117.3Intense
127.2Intense
137.2Intense
147.1Intense
157.1Intense
167.0Intense
177.0Intense
186.9Intense
196.9Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.6Intense
256.6Intense
266.5Intense
276.5Intense
286.4Intense
296.4Intense
306.3Intense
316.3Intense
Planning a trip in March

Is March a good time to visit Vallenar?

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

9.5
Sightseeing
2nd-best month of the year
8.4
Beach & pool
4th-best month of the year

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

What to pack for Vallenar in March

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

In March, Vallenar sees daytime highs around 25°C and nights near 14°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Vallenar in March

The nearest coast averages about 18°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in February at about 18°C and coldest in August near 14°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan18Cool
Feb18Cool
Mar18Cool
Apr17Cool
May16Cool
Jun15Bracing
Jul14Bracing
Aug14Bracing
Sep14Bracing
Oct14Bracing
Nov15Bracing
Dec16Cool

UV index in Vallenar in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vallenar peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 22UV 15Jun 19UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr7High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Vallenar?

Vallenar sits at 28.6°S, 70.8°W, 388 m above sea level, in Chile. The nearest listed city is Copiapó, 141 km away.

ChilecitoIllapel

Topography around Vallenar

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

Within 3 km, the terrain around Vallenar has only modest variations in elevation — a maximum elevation change of 210 m around an average of 468 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,526 m.

The land around Vallenar is covered by bare terrain (55%) and artificial surfaces (23%) within 3 km, bare terrain (84%) within 16 km, and bare terrain (69%) within 80 km.

3 km
210 m
16 km
1,150 m
80 km
4,526 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Copiapó 141 km · La Serena 155 km · Vicuña 162 km · Coquimbo 163 km · Caldera 168 km · Ovalle 229 km · Chilecito 324 km · Illapel 342 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 Vallenar (-28.5762°, -70.7594°, elevation 388 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).