Rengo in Fall
In fall (March, April and May), Rengo sees average daytime highs around 18°C and overnight lows near 6°C, with 198 mm of precipitation over about 15 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 23°C in early March to 13°C by late May. The sky is clear or mostly clear about 60% of the time across fall, and the air most often feels dry.
Fall is Rengo's 2nd-best season to visit on our travel score. For the whole year in context, see Rengo's year-round climate.
- Avg daytime high
- 18°C
- 2nd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 198 mm
- 15 wet days
- Avg wind
- 4 km/h
- Travel score
- 6.8
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Rengo in Fall
Over the season highs ease from about 23°C in early March to 13°C by late May.
A typical fall day in Rengo reaches about 18°C and drops to 6°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Rengo
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rengo 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 24° / 11° | 10 | 2.2 | 0 | 14 | 9.2 |
| Feb | 24° / 11° | 11 | 2.3 | 0 | 13.3 | 9.1 |
| Mar | 22° / 9° | 14 | 2.4 | 0 | 12.3 | 8.7 |
| Apr | 18° / 6° | 57 | 4.7 | 0.4 | 11.2 | 7.0 |
| May | 15° / 3° | 127 | 8 | 2.1 | 10.2 | 4.7 |
| Jun | 11° / 1° | 209 | 10.6 | 5.6 | 9.7 | 2.6 |
| Jul | 10° / -0° | 147 | 9.7 | 6 | 9.9 | 2.5 |
| Aug | 12° / 1° | 123 | 8.7 | 5.2 | 10.7 | 3.3 |
| Sep | 14° / 3° | 84 | 8.9 | 2.9 | 11.8 | 4.3 |
| Oct | 17° / 4° | 59 | 8.7 | 1.7 | 12.9 | 5.8 |
| Nov | 20° / 6° | 35 | 6.9 | 0.3 | 13.8 | 7.2 |
| Dec | 23° / 9° | 19 | 3.8 | 0.1 | 14.3 | 8.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 60% of the time across fall.
Chance of precipitation in Fall
Rengo gets around 198 mm of rain and snow over 15 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 4 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early March to 9 h 54 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 4.5 kWh/m².
Hazard calendar for Rengo
In fall, Rengo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Rengo's rainy season runs May–August, when most of the year's rain falls.
Is fall a good time to visit Rengo?
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 Rengo for sightseeing.
What to pack for Rengo in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rengo sees daytime highs around 18°C and nights near 6°C. Pack sun protection. Worth having: light clothes, a warm layer and rain gear. About 15 days see rain.
UV index in Rengo 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 Rengo peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near May 24 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 13 | 10 | 5 | 3 | 3 | 3 | 3 | 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 | 13 | Extreme |
| Mar | 10 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Rengo in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Rengo is worst in July — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Rengo's WHO annual average of 23.8 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 17 | 17 | 23 | 31 | 31 | 32 | 31 | 29 | 22 | 17 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 17 | Moderate |
| Mar | 17 | Moderate |
| Apr | 23 | Moderate |
| May | 31 | Moderate |
| Jun | 31 | Moderate |
| Jul | 32 | Moderate |
| Aug | 31 | Moderate |
| Sep | 29 | Moderate |
| Oct | 22 | Moderate |
| Nov | 17 | Moderate |
| Dec | 16 | Moderate |
Where is Rengo?
Rengo sits at 34.4°S, 70.9°W, 326 m above sea level, in Chile. The nearest listed city is San Vicente de Tagua Tagua, 20 km away.
Topography around Rengo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rengo.
Within 3 km, the terrain around Rengo has only modest variations in elevation — a maximum elevation change of 96 m around an average of 320 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,632 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,128 m.
The land around Rengo is covered by cropland (41%), trees (24%) and artificial surfaces (22%) within 3 km, cropland (34%), trees (28%) and shrubs (23%) within 16 km, and trees (23%), bare terrain (22%) and grassland (20%) 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 Rengo (-34.4064°, -70.8583°, elevation 326 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.