Constitución weather in March

In March, Constitución sees average daytime highs of 18°C and overnight lows near 14°C, with 9 mm of rain across 1.2 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 71% 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 Constitución's 4th-clearest and 6th-windiest month. For the whole year in context, see Constitución's year-round climate.

Daytime high
18°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
9 mm
1.2 wet days
Daylight
12 h 18 min
7:51 AM – 8:08 PM
Cloud cover
26%
4th clearest
Wind
17 km/h
6th windiest
Solar energy
6.03 kWh/m²
Travel score
7.5
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical March day in Constitución reaches about 18°C in the afternoon and slips back to 14°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11815
21815
31815
41815
51815
61815
71814
81814
91814
101814
111814
121814
131814
141814
151814
161814
171814
181814
191814
201714
211714
221714
231714
241714
251714
261714
271714
281714
291714
301714
311713

Constitución weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 15°20.514.18.0
Feb18° / 15°50.713.38.0
Mar18° / 14°91.212.37.5
Apr16° / 13°313.611.15.9
May14° / 11°1227.710.24.4
Jun13° / 11°169119.73.6
Jul12° / 10°1218.99.93.5
Aug13° / 10°988.410.73.6
Sep13° / 10°495.111.84.2
Oct14° / 11°284.312.95.0
Nov16° / 12°111.413.96.2
Dec17° / 14°6114.37.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28812
38713
48713
58713
68713
78614
88614
98515
108515
118515
128515
138416
148317
158317
168317
178317
188317
198119
208119
218119
228119
237921
247921
257921
267822
277822
287624
297624
307624
317525

Chance of precipitation in March

Any precipitation

Constitución gets around 9 mm of rain over 1.2 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 4% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
124
134
144
154
164
174
184
194
204
214
224
234
245
255
265
276
286
296
307
317

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
143552
244551
344551
444551
545541
645541
746531
846540
947530
1047530
1148520
1248520
1349510
1450501
1550491
1651481
1752471
1853461
1954451
2056431
2157421
2258411
2359401
2459401
2560391
2660391
2761381
2861381
2962371
3063361
3164351

Wind in March

Winds average 17 km/h in March.

Across March, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
418light breeze
518light breeze
618light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

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 7:38 AM to 8:03 AM, and sunset from 8:28 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:388:28
212.87:398:27
312.87:408:25
412.77:418:24
512.77:418:23
612.77:428:21
712.67:438:20
812.67:448:19
912.57:458:17
1012.57:468:16
1112.57:478:15
1212.47:488:13
1312.47:488:12
1412.47:498:10
1512.37:508:09
1612.37:518:08
1712.27:528:06
1812.27:538:05
1912.27:548:03
2012.17:548:02
2112.17:558:00
2212.07:567:59
2312.07:577:57
2412.07:587:56
2511.97:597:55
2611.97:597:53
2711.98:007:52
2811.88:017:50
2911.88:027:49
3011.78:037:47
3111.78:037:46

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.03 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 8.8 kWh/m² in December across the year — March's 6.03 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.6Intense
76.5Intense
86.5Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.2Intense
146.1Intense
156.1Intense
166.0Intense
176.0Bright
185.9Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
315.1Bright
Planning a trip in March

Hazard calendar for Constitución

In seasonPeak

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

Constitución'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 March a good time to visit Constitución?

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

7.5
Sightseeing
3rd-best month of the year
2.1
Beach & pool
3rd-best month of the year

March is one of the better times to visit Constitución for general sightseeing.

What to pack for Constitución in March

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

In March, Constitución sees daytime highs around 18°C and nights near 14°C. Pack sun protection.

sun protection

Sea temperature near Constitución in March

The nearest coast averages about 15°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 20 km away) is warmest in February at about 15°C and coldest in August near 12°C.

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

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb15Cool
Mar15Bracing
Apr14Bracing
May14Bracing
Jun13Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Constitución in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Constitución peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 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 highModerateHighVery highExtremeJan 16UV 13Jun 15UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Constitución?

Constitución sits at 35.3°S, 72.4°W, 19 m above sea level, in Chile. The nearest listed city is San Javier, 68 km away.

Topography around Constitución

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

Within 3 km, the terrain around Constitución has significant variations in elevation — a maximum elevation change of 265 m around an average of 60 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, large variations in elevation — a maximum elevation change of 891 m.

The land around Constitución is covered by trees (35%) and water (34%) within 3 km, water (42%), trees (33%) and grassland (21%) within 16 km, and water (34%), trees (30%) and grassland (27%) within 80 km.

3 km
265 m
16 km
577 m
80 km
891 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: San Javier 68 km · Talca 70 km · Cauquenes 71 km · San Clemente 87 km · Linares 93 km · Longaví 96 km · Colbún 100 km · Sagrada Familia 101 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 Constitución (-35.3332°, -72.4116°, elevation 19 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).