Rengo in Spring

In spring (September, October and November), Rengo sees average daytime highs around 17°C and overnight lows near 4°C, with 178 mm of precipitation over about 25 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 13°C in early September to 21°C by late November. The sky is clear or mostly clear about 51% of the time across spring, and the air most often feels dry.

Spring is Rengo's 3rd-best season to visit on our travel score. For the whole year in context, see Rengo's year-round climate.

Avg daytime high: 17°C; 3rd-warmest season
Avg overnight low: 4°C
Precipitation: 178 mm; 25 wet days
Avg wind: 4 km/h
Travel score: 5.8; 3rd-best season
Months: Sep · Oct · Nov

← Winter Rengo year-round climate Summer →

Spring Summer Fall Winter

Temperature in Rengo in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 13°C in early September to 21°C by late November.

A typical spring day in Rengo reaches about 17°C and drops to 4°C overnight. The warmest of the three months is November, the coolest September.

How spring really feels in Rengo

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

spring 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 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	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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time across spring.

Chance of precipitation in Spring

Any precipitationSnow

Rengo gets around 178 mm of rain and snow over 25 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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 4 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 12 min in early September to 14 h 06 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.4 kWh/m².

Planning a trip in spring

Hazard calendar for Rengo

In seasonPeak

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

Rengo'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 spring a good time to visit Rengo?

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.

5.8

Sightseeing

3rd-best month of the year

1.7

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Rengo for sightseeing.

What to pack for Rengo in Spring

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

In spring, Rengo sees daytime highs around 17°C and nights near 4°C. Pack sun protection. Worth having: a warm layer and rain gear. About 25 days see rain.

sun protectiona warm layerrain gear

UV index in Rengo in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 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 Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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

Location & terrain

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.

3 km

96 m

cropland 41%

16 km

1,632 m

cropland 34%

80 km

5,128 m

trees 23%

treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater

← Winter Rengo year-round climate Summer →

Spring weather nearby: San Vicente de Tagua Tagua 20 km · San Vicente 21 km · Rancagua 29 km · Machalí 32 km · Chimbarongo 38 km · Graneros 39 km · Santa Cruz 53 km · Paine 67 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.