Santiago weather in January

In January, Santiago sees average daytime highs of 17°C and overnight lows near 7°C, with 60 mm of precipitation across 9.3 wet days and about 10.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 42% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of January to 10 h 48 min by month's end. Set against the rest of the year, January is Santiago's 10th-clearest and 8th-windiest month. For the whole year in context, see Santiago's year-round climate.

Daytime high: 17°; 12th warmest
Overnight low: 7°; 1st coldest
Precipitation: 60 mm; 9.3 wet days
Daylight: 10 h 36 min; 7:33 AM – 6:07 PM
Cloud cover: 51%; 10th clearest
Wind: 5 km/h; 8th windiest
Solar energy: 3.92 kWh/m²
Travel score: 5.9; 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.

← December Santiago year-round climate February →Best places to visit in January

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical January day in Santiago reaches about 17°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 24°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

	Avg high (°C)	Avg low (°C)
1	17	6
2	17	6
3	17	6
4	17	6
5	17	6
6	17	6
7	17	6
8	17	6
9	17	6
10	17	6
11	17	6
12	17	6
13	17	6
14	17	6
15	17	6
16	17	6
17	17	7
18	17	7
19	17	7
20	17	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	7
26	18	7
27	18	7
28	18	7
29	18	7
30	18	7
31	18	7

Santiago weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	17° / 7°	60	9.3	10.6	5.9
Feb	20° / 8°	84	10.1	11.1	6.3
Mar	22° / 11°	131	14.2	11.8	6.2
Apr	25° / 14°	172	15.6	12.6	6.1
May	27° / 16°	158	16	13.2	5.9
Jun	28° / 18°	87	11	13.6	6.0
Jul	29° / 18°	88	10.4	13.4	5.8
Aug	29° / 18°	68	10.4	12.9	5.9
Sep	26° / 17°	191	16.2	12.2	5.8
Oct	24° / 14°	107	11.1	11.4	7.0
Nov	20° / 10°	66	9.2	10.8	6.7
Dec	18° / 7°	47	7.1	10.4	6.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 46%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	57	57	57	56	56	56	55	54	54	55	54	54	54	53	53	53	53	53	54	54	54	54	54	54	53	52	53	52	52	53	53
Cloudier (%)	43	43	43	44	44	44	45	46	46	45	46	46	46	47	47	47	47	47	46	46	46	46	46	46	47	48	47	48	48	47	47

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	56	44
6	56	44
7	55	45
8	54	46
9	54	46
10	55	45
11	54	46
12	54	46
13	54	46
14	53	47
15	53	47
16	53	47
17	53	47
18	53	47
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	54	46
25	53	47
26	52	48
27	53	47
28	52	48
29	52	48
30	53	47
31	53	47

Chance of precipitation in January

Any precipitation

Santiago gets around 60 mm of rain and snow over 9.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 29% and peaks near 37% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	26	26	26	26	27	27	27	27	27	27	27	27	27	27	27	27	28	28	29	29	30	31	32	32	33	34	35	35	36	36	37

	Rain chance (%)
1	26
2	26
3	26
4	26
5	27
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	27
15	27
16	27
17	28
18	28
19	29
20	29
21	30
22	31
23	32
24	32
25	33
26	34
27	35
28	35
29	36
30	36
31	37

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	97	97
Comfortable (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

Wind in January

Winds average 5 km/h in January.

Across January, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm
31	5	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 24 min at the start of January to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:31 AM to 7:30 AM, and sunset from 5:57 PM to 6:18 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.4	10.4	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.7	10.7	10.7	10.7	10.7	10.7	10.8	10.8	10.8	10.8
Sunrise (AM)	7:31	7:31	7:31	7:31	7:32	7:32	7:32	7:32	7:32	7:32	7:32	7:33	7:33	7:33	7:33	7:33	7:33	7:33	7:32	7:32	7:32	7:32	7:32	7:32	7:31	7:31	7:31	7:31	7:30	7:30	7:30
Sunset (PM)	5:57	5:58	5:58	5:59	6:00	6:00	6:01	6:02	6:02	6:03	6:04	6:04	6:05	6:06	6:06	6:07	6:08	6:09	6:09	6:10	6:11	6:12	6:12	6:13	6:14	6:15	6:15	6:16	6:17	6:17	6:18

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.4	7:31	5:57
2	10.4	7:31	5:58
3	10.5	7:31	5:58
4	10.5	7:31	5:59
5	10.5	7:32	6:00
6	10.5	7:32	6:00
7	10.5	7:32	6:01
8	10.5	7:32	6:02
9	10.5	7:32	6:02
10	10.5	7:32	6:03
11	10.5	7:32	6:04
12	10.5	7:33	6:04
13	10.5	7:33	6:05
14	10.6	7:33	6:06
15	10.6	7:33	6:06
16	10.6	7:33	6:07
17	10.6	7:33	6:08
18	10.6	7:33	6:09
19	10.6	7:32	6:09
20	10.6	7:32	6:10
21	10.6	7:32	6:11
22	10.7	7:32	6:12
23	10.7	7:32	6:12
24	10.7	7:32	6:13
25	10.7	7:31	6:14
26	10.7	7:31	6:15
27	10.7	7:31	6:15
28	10.8	7:31	6:16
29	10.8	7:30	6:17
30	10.8	7:30	6:17
31	10.8	7:30	6:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.92 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 — January's 3.92 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.1	4.1	4.1	4.1	4.1	4.1	4.2	4.2	4.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.8	Moderate
2	3.8	Moderate
3	3.8	Moderate
4	3.8	Moderate
5	3.8	Moderate
6	3.8	Moderate
7	3.8	Moderate
8	3.8	Moderate
9	3.9	Moderate
10	3.9	Moderate
11	3.9	Moderate
12	3.9	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	3.9	Moderate
16	4.0	Moderate
17	4.0	Moderate
18	4.0	Moderate
19	4.0	Bright
20	4.0	Bright
21	4.0	Bright
22	4.0	Bright
23	4.1	Bright
24	4.1	Bright
25	4.1	Bright
26	4.1	Bright
27	4.1	Bright
28	4.1	Bright
29	4.2	Bright
30	4.2	Bright
31	4.2	Bright

Planning a trip in January

Is January a good time to visit Santiago?

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

5.9

Sightseeing

8th-best month of the year

1.6

Beach & pool

12th-best month of the year

January is a reasonable time to visit Santiago for sightseeing.

What to pack for Santiago in January

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

In January, Santiago sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Santiago in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	5	7	9	11	11	12	11	12	9	8	6	5
Level	High	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High	Moderate

	UV index (midday)	Level
Jan	5	High
Feb	7	Very high
Mar	9	Very high
Apr	11	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	11	Extreme
Aug	12	Extreme
Sep	9	Very high
Oct	8	Very high
Nov	6	High
Dec	5	Moderate

Air quality in Santiago in January

GoodModeratePoorUnhealthyVery unhealthy

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	23	21	24	21	22	20	19	18	20	20	22	24
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	23	Moderate
Feb	21	Moderate
Mar	24	Moderate
Apr	21	Moderate
May	22	Moderate
Jun	20	Moderate
Jul	19	Moderate
Aug	18	Moderate
Sep	20	Moderate
Oct	20	Moderate
Nov	22	Moderate
Dec	24	Moderate

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

trees 68%

16 km

2,598 m

trees 81%

80 km

3,555 m

shrubs 47%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← December Santiago year-round climate February →Best places to visit in January

January 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

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).

	Avg high (°C)	Avg low (°C)
1	17	6
2	17	6
3	17	6
4	17	6
5	17	6
6	17	6
7	17	6
8	17	6
9	17	6
10	17	6
11	17	6
12	17	6
13	17	6
14	17	6
15	17	6
16	17	6
17	17	7
18	17	7
19	17	7
20	17	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	7
26	18	7
27	18	7
28	18	7
29	18	7
30	18	7
31	18	7

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	56	44
6	56	44
7	55	45
8	54	46
9	54	46
10	55	45
11	54	46
12	54	46
13	54	46
14	53	47
15	53	47
16	53	47
17	53	47
18	53	47
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	54	46
25	53	47
26	52	48
27	53	47
28	52	48
29	52	48
30	53	47
31	53	47

	Rain chance (%)
1	26
2	26
3	26
4	26
5	27
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	27
15	27
16	27
17	28
18	28
19	29
20	29
21	30
22	31
23	32
24	32
25	33
26	34
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

	Avg high (°C)	Avg low (°C)
1	17	6
2	17	6
3	17	6
4	17	6
5	17	6
6	17	6
7	17	6
8	17	6
9	17	6
10	17	6
11	17	6
12	17	6
13	17	6
14	17	6
15	17	6
16	17	6
17	17	7
18	17	7
19	17	7
20	17	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	7
26	18	7
27	18	7
28	18	7
29	18	7
30	18	7
31	18	7

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	56	44
6	56	44
7	55	45
8	54	46
9	54	46
10	55	45
11	54	46
12	54	46
13	54	46
14	53	47
15	53	47
16	53	47
17	53	47
18	53	47
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	54	46
25	53	47
26	52	48
27	53	47
28	52	48
29	52	48
30	53	47
31	53	47

	Rain chance (%)
1	26
2	26
3	26
4	26
5	27
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	27
15	27
16	27
17	28
18	28
19	29
20	29
21	30
22	31
23	32
24	32
25	33
26	34
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

	Avg high (°C)	Avg low (°C)
1	17	6
2	17	6
3	17	6
4	17	6
5	17	6
6	17	6
7	17	6
8	17	6
9	17	6
10	17	6
11	17	6
12	17	6
13	17	6
14	17	6
15	17	6
16	17	6
17	17	7
18	17	7
19	17	7
20	17	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	7
26	18	7
27	18	7
28	18	7
29	18	7
30	18	7
31	18	7

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	56	44
6	56	44
7	55	45
8	54	46
9	54	46
10	55	45
11	54	46
12	54	46
13	54	46
14	53	47
15	53	47
16	53	47
17	53	47
18	53	47
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	54	46
25	53	47
26	52	48
27	53	47
28	52	48
29	52	48
30	53	47
31	53	47

	Rain chance (%)
1	26
2	26
3	26
4	26
5	27
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	27
14	27
15	27
16	27
17	28
18	28
19	29
20	29
21	30
22	31
23	32
24	32
25	33
26	34
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3