Rengo weather in October

In October, Rengo sees average daytime highs of 17°C and overnight lows near 4°C, with 59 mm of precipitation across 8.7 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of October to 13 h 24 min by month's end. Set against the rest of the year, October is Rengo's 7th-clearest and 8th-windiest month. For the whole year in context, see Rengo's year-round climate.

Daytime high
17°
7th warmest
Overnight low
6th coldest
Precipitation
59 mm
8.7 wet days
Daylight
12 h 54 min
7:02 AM – 7:55 PM
Cloud cover
47%
7th clearest
Wind
4 km/h
8th windiest
Solar energy
6.39 kWh/m²
Travel score
5.8
out of 10

Rengo is municipality in Chile.

Air quality
Elevated
PM2.5 23.8 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 18°C by the end.

A typical October day in Rengo reaches about 17°C in the afternoon and slips back to 4°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 22°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1153
2154
3164
4164
5164
6164
7164
8164
9164
10164
11164
12164
13174
14174
15174
16174
17174
18174
19175
20175
21175
22185
23185
24185
25185
26185
27185
28185
29185
30185
31185

How October really feels in Rengo

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October 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 October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 11°102.20149.2
Feb24° / 11°112.3013.39.1
Mar22° / 142.4012.38.7
Apr18° / 574.70.411.27.0
May15° / 12782.110.24.7
Jun11° / 20910.65.69.72.6
Jul10° / -0°1479.769.92.5
Aug12° / 1238.75.210.73.3
Sep14° / 848.92.911.84.3
Oct17° / 598.71.712.95.8
Nov20° / 356.90.313.87.2
Dec23° / 193.80.114.38.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75842
85842
95842
105941
116040
126139
136139
146238
156238
166337
176238
186337
196436
206436
216535
226535
236634
246634
256634
266634
276634
286733
296832
306832
316832

Chance of precipitation in October

Any precipitationSnow

Rengo gets around 59 mm of rain and snow over 8.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 31% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1308
2308
3318
4318
5318
6318
7318
8318
9317
10307
11297
12296
13286
14285
15275
16274
17264
18264
19263
20263
21263
22253
23253
24253
25252
26252
27252
28252
29252
30252
31262

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over October. Sunrise moves from 7:22 AM to 6:46 AM, and sunset from 7:43 PM to 8:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:227:43
212.47:217:43
312.47:197:44
412.47:187:45
512.57:177:46
612.57:157:47
712.67:147:47
812.67:137:48
912.67:117:49
1012.77:107:50
1112.77:097:51
1212.77:077:51
1312.87:067:52
1412.87:057:53
1512.87:037:54
1612.97:027:55
1712.97:017:56
1812.97:007:57
1913.06:587:57
2013.06:577:58
2113.06:567:59
2213.16:558:00
2313.16:548:01
2413.26:538:02
2513.26:528:03
2613.26:518:04
2713.26:508:05
2813.36:498:05
2913.36:488:06
3013.36:478:07
3113.46:468:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.39 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 8.84 kWh/m² in January across the year — October's 6.39 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
86.0Bright
96.0Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.3Intense
156.3Intense
166.4Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.7Intense
226.7Intense
236.8Intense
246.8Intense
256.8Intense
266.9Intense
276.9Intense
287.0Intense
297.0Intense
307.1Intense
317.1Intense
Planning a trip in October

Hazard calendar for Rengo

In seasonPeak

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

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 October a good time to visit Rengo?

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

5.8
Sightseeing
7th-best month of the year
1.3
Beach & pool
7th-best month of the year

October is a reasonable time to visit Rengo for sightseeing.

What to pack for Rengo in October

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

In October, Rengo sees daytime highs around 17°C and nights near 4°C. Pack sun protection. Worth having: a warm layer and rain gear. About 9 days see rain.

sun protectiona warm layerrain gear

UV index in Rengo in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 17UV 13May 24UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug3Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Rengo in October

GoodModeratePoorUnhealthyVery unhealthy

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1832 µg/m³Dec 1216 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb17Moderate
Mar17Moderate
Apr23Moderate
May31Moderate
Jun31Moderate
Jul32Moderate
Aug31Moderate
Sep29Moderate
Oct22Moderate
Nov17Moderate
Dec16Moderate
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
16 km
1,632 m
80 km
5,128 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
October 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
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 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).