Machalí weather in October

In October, Machalí sees average daytime highs of 19°C and overnight lows near 6°C, with 60 mm of precipitation across 8.5 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 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 46% 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 Machalí's 7th-clearest and 7th-windiest month. For the whole year in context, see Machalí's year-round climate.

Daytime high
19°
7th warmest
Overnight low
6th coldest
Precipitation
60 mm
8.5 wet days
Daylight
12 h 54 min
7:02 AM – 7:54 PM
Cloud cover
47%
7th clearest
Wind
5 km/h
7th windiest
Solar energy
6.39 kWh/m²
Travel score
6.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical October day in Machalí reaches about 19°C in the afternoon and slips back to 6°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, October runs about 2°C warmer than September and about 3°C cooler than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1185
2185
3186
4186
5186
6186
7186
8186
9186
10186
11196
12196
13196
14196
15196
16196
17196
18196
19196
20207
21207
22207
23207
24207
25207
26207
27207
28207
29207
30207
31217

Machalí 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
Jan26° / 14°61.40148.9
Feb26° / 13°71.5013.38.9
Mar24° / 11°111.8012.39.1
Apr20° / 443.9011.27.7
May17° / 997.30.110.25.7
Jun14° / 1679.41.49.83.9
Jul13° / 1249.21.5103.9
Aug15° / 1088.61.210.74.7
Sep17° / 81100.411.85.5
Oct19° / 608.50.212.96.6
Nov22° / 264.7013.88.0
Dec25° / 12°132014.28.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
15644
25545
35644
45644
55644
65644
75644
85743
95743
105842
115842
125941
135941
146040
156139
166139
176238
186337
196337
206436
216535
226535
236634
246634
256733
266733
276832
286832
296832
306832
316931

Chance of precipitation in October

Any precipitation

Machalí gets around 60 mm of rain and snow over 8.5 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 27% and peaks near 34% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
534
633
733
833
932
1031
1131
1230
1329
1428
1527
1627
1726
1826
1925
2024
2124
2223
2323
2423
2522
2622
2722
2822
2922
3022
3122

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 5 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
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
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 7:21 AM to 6:45 AM, and sunset from 7:42 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:217:42
212.47:207:42
312.47:197:43
412.47:177:44
512.57:167:45
612.57:157:46
712.67:137:46
812.67:127:47
912.67:107:48
1012.77:097:49
1112.77:087:50
1212.77:077:50
1312.87:057:51
1412.87:047:52
1512.87:037:53
1612.97:027:54
1712.97:007:55
1812.96:597:55
1913.06:587:56
2013.06:577:57
2113.06:567:58
2213.16:547:59
2313.16:538:00
2413.16:528:01
2513.26:518:02
2613.26:508:02
2713.26:498:03
2813.36:488:04
2913.36:478:05
3013.36:468:06
3113.46:458:07

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 2.16 kWh/m² to a high of 8.81 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
65.8Bright
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 Machalí

In seasonPeak

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

Machalí's rainy season runs May–September, 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 Machalí?

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

6.6
Sightseeing
7th-best month of the year
2.9
Beach & pool
7th-best month of the year

October is a reasonable time to visit Machalí for sightseeing.

What to pack for Machalí in October

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

In October, Machalí sees daytime highs around 19°C and nights near 6°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 Machalí 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 Machalí peaks around January 16 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 16UV 13May 24UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug3Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Machalí 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 Machalí is worst in July — around 25 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1825 µg/m³Dec 1212 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb13Moderate
Mar13Moderate
Apr17Moderate
May24Moderate
Jun24Moderate
Jul25Moderate
Aug24Moderate
Sep22Moderate
Oct17Moderate
Nov13Moderate
Dec12Good
Location & terrain

Where is Machalí?

Machalí sits at 34.2°S, 70.6°W, 568 m above sea level, in Chile. The nearest listed city is Rancagua, 8.0 km away.

Topography around Machalí

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Machalí.

Within 3 km, the terrain around Machalí has large variations in elevation — a maximum elevation change of 613 m around an average of 627 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,641 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,303 m.

The land around Machalí is covered by shrubs (25%) and trees (22%) within 3 km, shrubs (40%) and trees (21%) within 16 km, and bare terrain (30%) within 80 km.

3 km
613 m
16 km
1,641 m
80 km
5,303 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
October weather nearby: Rancagua 8.0 km · Graneros 14 km · Rengo 32 km · Paine 42 km · San Vicente de Tagua Tagua 49 km · San Vicente 49 km · Buin 51 km · Talagante 63 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 Machalí (-34.1808°, -70.6493°, elevation 568 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).