Río Bueno in Spring
In spring (September, October and November), Río Bueno sees average daytime highs around 15°C and overnight lows near 6°C, with 308 mm of rain over about 37 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 12°C in early September to 18°C by late November. The sky is clear or mostly clear about 16% of the time across spring, and the air most often feels dry.
Spring is Río Bueno's 3rd-best season to visit on our travel score. For the whole year in context, see Río Bueno's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Rainfall
- 308 mm
- 37 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Río Bueno in Spring
Over the season highs climb from about 12°C in early September to 18°C by late November.
A typical spring day in Río Bueno reaches about 15°C and drops to 6°C overnight. The warmest of the three months is November, the coolest September.
Río Bueno weather by month
How the three spring months (September, October and November) 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 | 22° / 10° | 36 | 6 | 14.5 | 7.5 |
| Feb | 22° / 10° | 41 | 5.1 | 13.6 | 7.6 |
| Mar | 20° / 9° | 63 | 7.6 | 12.3 | 6.7 |
| Apr | 16° / 7° | 109 | 10.6 | 11 | 4.9 |
| May | 13° / 6° | 189 | 15.4 | 9.8 | 3.1 |
| Jun | 11° / 4° | 254 | 18.3 | 9.2 | 2.0 |
| Jul | 10° / 4° | 229 | 17.8 | 9.4 | 1.9 |
| Aug | 11° / 4° | 210 | 17.8 | 10.4 | 2.3 |
| Sep | 13° / 5° | 125 | 13.5 | 11.7 | 3.4 |
| Oct | 15° / 6° | 110 | 13.4 | 13.1 | 4.3 |
| Nov | 17° / 8° | 74 | 9.9 | 14.2 | 5.5 |
| Dec | 20° / 9° | 64 | 8 | 14.8 | 6.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 16% of the time across spring.
Chance of precipitation in Spring
Río Bueno gets around 308 mm of rain over 37 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 06 min in early September to 14 h 36 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.7 kWh/m².
Hazard calendar for Río Bueno
In spring, Río Bueno overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Río Bueno's rainy season runs May–September, when most of the year's rain falls.
Is spring a good time to visit Río Bueno?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Río Bueno for sightseeing.
What to pack for Río Bueno in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Río Bueno sees daytime highs around 15°C and nights near 6°C. Pack rain gear. Worth having: a warm layer and sun protection. About 37 days see rain.
UV index in Río Bueno in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Río Bueno peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 11 | 7 | 4 | 2 | 2 | 2 | 3 | 4 | 7 | 9 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Low | Moderate | Moderate | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 11 | Extreme |
| Mar | 7 | Very high |
| Apr | 4 | Moderate |
| May | 2 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Low |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 7 | Very high |
| Nov | 9 | Very high |
| Dec | 12 | Extreme |
Where is Río Bueno?
Río Bueno sits at 40.3°S, 73.0°W, 61 m above sea level, in Chile. The nearest listed city is La Unión, 12 km away.
Topography around Río Bueno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Río Bueno.
Within 3 km, the terrain around Río Bueno has only modest variations in elevation — a maximum elevation change of 75 m around an average of 55 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 328 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,198 m.
The land around Río Bueno is covered by grassland (36%), cropland (29%) and trees (23%) within 3 km, cropland (39%), grassland (38%) and trees (22%) within 16 km, and trees (55%) and grassland (22%) 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 Río Bueno (-40.3349°, -72.9556°, elevation 61 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.