Santiago weather in October

In October, Santiago sees average daytime highs of 24°C and overnight lows near 14°C, with 107 mm of rain across 11.1 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 48% of the time in October, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Santiago's 2nd-clearest and 8th-windiest month. For the whole year in context, see Santiago's year-round climate.

Daytime high
24°
7th warmest
Overnight low
14°
7th coldest
Rainfall
107 mm
11.1 wet days
Daylight
11 h 24 min
6:44 AM – 6:07 PM
Cloud cover
44%
2nd clearest
Wind
5 km/h
8th windiest
Solar energy
4.82 kWh/m²
Travel score
7.0
out of 10

Santiago is municipal seat of Santiago, State of Nuevo León, Mexico.

Founded
1648

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical October day in Santiago reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, October runs about 3°C cooler than September and about 3°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32515
42515
52515
62515
72515
82415
92415
102415
112415
122415
132414
142414
152414
162414
172414
182414
192314
202314
212313
222313
232313
242313
252313
262313
272312
282212
292212
302212
312212

Santiago weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 609.310.65.9
Feb20° / 8410.111.16.3
Mar22° / 11°13114.211.86.2
Apr25° / 14°17215.612.66.1
May27° / 16°1581613.25.9
Jun28° / 18°871113.66.0
Jul29° / 18°8810.413.45.8
Aug29° / 18°6810.412.95.9
Sep26° / 17°19116.212.25.8
Oct24° / 14°10711.111.47.0
Nov20° / 10°669.210.86.7
Dec18° / 477.110.46.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56535
66634
76634
86634
96634
106535
116535
126535
136436
146436
156436
166436
176436
186535
196535
206535
216535
226436
236436
246436
256436
266436
276436
286436
296436
306436
316436

Chance of precipitation in October

Any precipitation

Santiago gets around 107 mm of rain over 11.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
339
439
539
639
738
838
938
1038
1138
1238
1338
1438
1538
1637
1737
1837
1936
2036
2135
2235
2335
2435
2535
2634
2734
2834
2934
3033
3133

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
117224218
218234217
318234216
418234316
519234315
619234315
719244314
819244314
919254313
1019254313
1119264212
1220274112
1320274111
1421284011
1522293910
162330399
172430388
182531377
192632366
202732355
212932344
223033344
233233333
243332322
253532312
263732301
273831291
284031281
294230271
304430261
314530240

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
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 11 h 48 min at the start of October to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over October. Sunrise moves from 6:37 AM to 6:53 AM, and sunset from 6:23 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:376:23
211.76:376:21
311.76:386:20
411.76:386:19
511.76:386:18
611.66:396:17
711.66:396:16
811.66:406:15
911.66:406:14
1011.56:416:13
1111.56:416:12
1211.56:426:11
1311.56:426:10
1411.46:436:09
1511.46:436:08
1611.46:446:07
1711.46:446:06
1811.36:456:06
1911.36:466:05
2011.36:466:04
2111.36:476:03
2211.26:476:02
2311.26:486:01
2411.26:486:01
2511.26:496:00
2611.26:505:59
2711.16:505:58
2811.16:515:58
2911.16:515:57
3011.16:525:56
3111.06:535:56

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.82 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.76 kWh/m² in June across the year — October's 4.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in October

Is October a good time to visit Santiago?

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

7.0
Sightseeing
1st-best month of the year
5.6
Beach & pool
6th-best month of the year

October is one of the better times to visit Santiago for general sightseeing.

What to pack for Santiago in October

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

In October, Santiago sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Santiago in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 21UV 11Dec 19UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Santiago 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 Santiago is worst in December — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1724 µg/m³Aug 1518 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb21Moderate
Mar24Moderate
Apr21Moderate
May22Moderate
Jun20Moderate
Jul19Moderate
Aug18Moderate
Sep20Moderate
Oct20Moderate
Nov22Moderate
Dec24Moderate
Location & terrain

Where is Santiago?

Santiago sits at 25.4°N, 100.2°W, 486 m above sea level, in Mexico. The nearest listed city is Ciudad de Allende, 21 km away.

Topography around Santiago

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

Within 3 km, the terrain around Santiago has significant variations in elevation — a maximum elevation change of 452 m around an average of 513 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,598 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,555 m.

The land around Santiago is covered by trees (68%) within 3 km, trees (81%) within 16 km, and shrubs (47%) and trees (36%) within 80 km.

3 km
452 m
16 km
2,598 m
80 km
3,555 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Ciudad de Allende 21 km · Jardines de la Silla 23 km · Cadereyta Jiménez 24 km · Cadereyta 24 km · Ciudad Benito Juárez 25 km · Guadalupe 30 km · Monterrey 33 km · San Pedro Garza García 36 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 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 Santiago (25.426°, -100.154°, elevation 486 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).