Constitución in Fall
In fall (March, April and May), Constitución sees average daytime highs around 16°C and overnight lows near 13°C, with 162 mm of rain over about 13 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 18°C in early March to 14°C by late May. The sky is clear or mostly clear about 52% of the time across fall, and the air most often feels dry.
Fall is Constitución's 2nd-best season to visit on our travel score. Constitución has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Constitución's year-round climate.
- Avg daytime high
- 16°C
- 2nd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 162 mm
- 13 wet days
- Avg wind
- 16 km/h
- Travel score
- 5.9
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Constitución in Fall
Over the season highs ease from about 18°C in early March to 14°C by late May.
A typical fall day in Constitución reaches about 16°C and drops to 13°C overnight. The warmest of the three months is March, the coolest May.
Constitución weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 18° / 15° | 2 | 0.5 | 14.1 | 8.0 |
| Feb | 18° / 15° | 5 | 0.7 | 13.3 | 8.0 |
| Mar | 18° / 14° | 9 | 1.2 | 12.3 | 7.5 |
| Apr | 16° / 13° | 31 | 3.6 | 11.1 | 5.9 |
| May | 14° / 11° | 122 | 7.7 | 10.2 | 4.4 |
| Jun | 13° / 11° | 169 | 11 | 9.7 | 3.6 |
| Jul | 12° / 10° | 121 | 8.9 | 9.9 | 3.5 |
| Aug | 13° / 10° | 98 | 8.4 | 10.7 | 3.6 |
| Sep | 13° / 10° | 49 | 5.1 | 11.8 | 4.2 |
| Oct | 14° / 11° | 28 | 4.3 | 12.9 | 5.0 |
| Nov | 16° / 12° | 11 | 1.4 | 13.9 | 6.2 |
| Dec | 17° / 14° | 6 | 1 | 14.3 | 7.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 52% of the time across fall.
Chance of precipitation in Fall
Constitución gets around 162 mm of rain over 13 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 16 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early March to 9 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.3 kWh/m².
Hazard calendar for Constitución
In fall, Constitución overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Constitución's rainy season runs May–August, when most of the year's rain falls.
Is fall a good time to visit Constitución?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Constitución for sightseeing.
What to pack for Constitución in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Constitución sees daytime highs around 16°C and nights near 13°C. Pack sun protection. Worth having: a warm layer. About 13 days see rain.
Sea temperature near Constitución in Fall
The nearest coast averages about 14°C across fall — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 14 |
| Comfort | Bracing | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 15 | Cool |
| Mar | 15 | Bracing |
| Apr | 14 | Bracing |
| May | 14 | Bracing |
| Jun | 13 | Bracing |
| Jul | 13 | Bracing |
| Aug | 12 | Bracing |
| Sep | 12 | Bracing |
| Oct | 13 | Bracing |
| Nov | 13 | Bracing |
| Dec | 14 | Bracing |
UV index in Constitución in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 9 | 5 | 3 | 2 | 3 | 4 | 6 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
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.
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
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.