San Cristóbal de las Casas weather in January

In January, San Cristóbal de las Casas sees average daytime highs of 24°C and overnight lows near 12°C, with 12 mm of rain across 2.6 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 60% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is San Cristóbal de las Casas's 3rd-clearest and 1st-windiest month. For the whole year in context, see San Cristóbal de las Casas's year-round climate.

Daytime high: 24°; 10th warmest
Overnight low: 12°; 1st coldest
Rainfall: 12 mm; 2.6 wet days
Daylight: 11 h 06 min; 6:47 AM – 5:53 PM
Cloud cover: 37%; 3rd clearest
Wind: 6 km/h; 1st windiest
Solar energy: 4.75 kWh/m²
Travel score: 8.6; out of 10

San Cristóbal de las Casas is municipal seat of San Cristóbal, State of Chiapas, Mexico.

Founded: 1528

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

← December San Cristóbal de las Casas 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 24°C through the month.

A typical January day in San Cristóbal de las Casas reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°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)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Avg low (°C)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

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

San Cristóbal de las Casas weather by month

How January compares with the rest of the year at a glance. January is the 10th-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	24° / 12°	12	2.6	11.1	8.6
Feb	26° / 13°	7	1.7	11.4	8.5
Mar	27° / 14°	18	3.7	11.9	7.8
Apr	28° / 15°	50	8.6	12.4	6.7
May	27° / 16°	223	19.2	12.8	5.1
Jun	25° / 16°	486	25.7	13	4.1
Jul	25° / 16°	300	21.6	12.9	4.8
Aug	25° / 16°	363	23.2	12.6	4.6
Sep	25° / 16°	429	26.3	12.1	4.1
Oct	24° / 15°	230	18.1	11.6	5.5
Nov	24° / 14°	58	7.9	11.2	7.5
Dec	24° / 13°	18	2.6	11	8.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 21%.

	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 (%)	77	77	78	78	78	78	79	79	80	80	80	80	80	80	80	80	80	80	79	79	79	79	78	78	78	78	79	79	78	78	79
Cloudier (%)	23	23	22	22	22	22	21	21	20	20	20	20	20	20	20	20	20	20	21	21	21	21	22	22	22	22	21	21	22	22	21

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	78	22
6	78	22
7	79	21
8	79	21
9	80	20
10	80	20
11	80	20
12	80	20
13	80	20
14	80	20
15	80	20
16	80	20
17	80	20
18	80	20
19	79	21
20	79	21
21	79	21
22	79	21
23	78	22
24	78	22
25	78	22
26	78	22
27	79	21
28	79	21
29	78	22
30	78	22
31	79	21

Chance of precipitation in January

Any precipitation

San Cristóbal de las Casas gets around 12 mm of rain over 2.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 10% on the wettest days.

	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 (%)	9	10	10	10	10	10	9	9	9	9	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

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

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 83% 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 (%)	77	77	78	78	79	79	80	80	81	82	83	83	84	85	85	85	85	85	86	86	86	86	86	86	85	85	85	85	85	84	84
Comfortable (%)	23	23	22	22	21	21	20	20	19	18	17	17	16	15	15	15	15	15	14	14	14	14	14	14	15	15	15	15	15	16	16

	Dry (%)	Comfortable (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	79	21
6	79	21
7	80	20
8	80	20
9	81	19
10	82	18
11	83	17
12	83	17
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	85	15
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	85	15
26	85	15
27	85	15
28	85	15
29	85	15
30	84	16
31	84	16

Wind in January

Winds average 6 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:43 AM to 6:46 AM, and sunset from 5:44 PM to 6:01 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)	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2
Sunrise (AM)	6:43	6:44	6:44	6:44	6:44	6:45	6:45	6:45	6:46	6:46	6:46	6:46	6:46	6:46	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:46
Sunset (PM)	5:44	5:45	5:45	5:46	5:47	5:47	5:48	5:48	5:49	5:49	5:50	5:51	5:51	5:52	5:52	5:53	5:53	5:54	5:55	5:55	5:56	5:56	5:57	5:58	5:58	5:59	5:59	6:00	6:00	6:01	6:01

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.0	6:43	5:44
2	11.0	6:44	5:45
3	11.0	6:44	5:45
4	11.0	6:44	5:46
5	11.0	6:44	5:47
6	11.0	6:45	5:47
7	11.0	6:45	5:48
8	11.0	6:45	5:48
9	11.1	6:46	5:49
10	11.1	6:46	5:49
11	11.1	6:46	5:50
12	11.1	6:46	5:51
13	11.1	6:46	5:51
14	11.1	6:46	5:52
15	11.1	6:47	5:52
16	11.1	6:47	5:53
17	11.1	6:47	5:53
18	11.1	6:47	5:54
19	11.1	6:47	5:55
20	11.1	6:47	5:55
21	11.1	6:47	5:56
22	11.2	6:47	5:56
23	11.2	6:47	5:57
24	11.2	6:47	5:58
25	11.2	6:47	5:58
26	11.2	6:47	5:59
27	11.2	6:47	5:59
28	11.2	6:47	6:00
29	11.2	6:47	6:00
30	11.2	6:47	6:01
31	11.2	6:46	6:01

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.65 kWh/m² in April across the year — January's 4.75 kWh/m² falls in the middle.

	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)	4.6	4.6	4.6	4.6	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.8	4.8	4.9	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.0	5.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.6	Bright
4	4.6	Bright
5	4.7	Bright
6	4.7	Bright
7	4.7	Bright
8	4.7	Bright
9	4.7	Bright
10	4.7	Bright
11	4.7	Bright
12	4.7	Bright
13	4.7	Bright
14	4.7	Bright
15	4.8	Bright
16	4.8	Bright
17	4.8	Bright
18	4.8	Bright
19	4.8	Bright
20	4.8	Bright
21	4.9	Bright
22	4.9	Bright
23	4.9	Bright
24	4.9	Bright
25	4.9	Bright
26	5.0	Bright
27	5.0	Bright
28	5.0	Bright
29	5.0	Bright
30	5.0	Bright
31	5.0	Bright

Planning a trip in January

Hazard calendar for San Cristóbal de las Casas

In seasonPeak

None of San Cristóbal de las Casas's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Cristóbal de las Casas's monsoon runs May–October, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is January a good time to visit San Cristóbal de las Casas?

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

8.6

Sightseeing

1st-best month of the year

7.2

Beach & pool

3rd-best month of the year

January is one of the better times to visit San Cristóbal de las Casas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Cristóbal de las Casas in January

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

In January, San Cristóbal de las Casas sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in San Cristóbal de las Casas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 San Cristóbal de las Casas peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very high).

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)	9	13	14	14	11	14	13	13	13	11	9	8
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	13	Extreme
Mar	14	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	14	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	8	Very high

Air quality in San Cristóbal de las Casas 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 San Cristóbal de las Casas is worst in April — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	13	21	27	38	37	21	24	20	19	15	13	12
Level	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	13	Moderate
Feb	21	Moderate
Mar	27	Moderate
Apr	38	Poor
May	37	Poor
Jun	21	Moderate
Jul	24	Moderate
Aug	20	Moderate
Sep	19	Moderate
Oct	15	Moderate
Nov	13	Moderate
Dec	12	Moderate

Location & terrain

Where is San Cristóbal de las Casas?

San Cristóbal de las Casas sits at 16.7°N, 92.6°W, 2,183 m above sea level, in Mexico. The nearest listed city is Teopisca, 27 km away.

Topography around San Cristóbal de las Casas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Cristóbal de las Casas.

Within 3 km, the terrain around San Cristóbal de las Casas has significant variations in elevation — a maximum elevation change of 392 m around an average of 2,158 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,344 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,842 m.

The land around San Cristóbal de las Casas is covered by artificial surfaces (60%) and trees (26%) within 3 km, trees (58%) and grassland (30%) within 16 km, and trees (62%) and grassland (27%) within 80 km.

3 km

392 m

artificial surfaces 60%

16 km

2,344 m

trees 58%

80 km

2,842 m

trees 62%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← December San Cristóbal de las Casas year-round climate February →Best places to visit in January

January weather nearby: Teopisca 27 km · Chiapas 40 km · Venustiano Carranza 44 km · Las Rosas 50 km · Suchiapa 50 km · Tuxtla 51 km · Yajalón 59 km · Ocosingo 61 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 San Cristóbal de las Casas (16.7301°, -92.6382°, elevation 2,183 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	24	12
2	24	12
3	24	12
4	24	12
5	24	12
6	24	12
7	24	12
8	24	12
9	24	12
10	24	12
11	24	12
12	24	12
13	24	12
14	24	12
15	24	12
16	24	12
17	24	12
18	24	12
19	24	12
20	24	12
21	24	12
22	24	12
23	24	12
24	24	12
25	24	12
26	24	12
27	24	12
28	24	12
29	24	12
30	24	12
31	24	12

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	78	22
6	78	22
7	79	21
8	79	21
9	80	20
10	80	20
11	80	20
12	80	20
13	80	20
14	80	20
15	80	20
16	80	20
17	80	20
18	80	20
19	79	21
20	79	21
21	79	21
22	79	21
23	78	22
24	78	22
25	78	22
26	78	22
27	79	21
28	79	21
29	78	22
30	78	22
31	79	21

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

	Dry (%)	Comfortable (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	79	21
6	79	21
7	80	20
8	80	20
9	81	19
10	82	18
11	83	17
12	83	17
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	85	15
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	85	15
26	85	15
27	85	15
28	85	15
29	85	15
30	84	16
31	84	16

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

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	78	22
6	78	22
7	79	21
8	79	21
9	80	20
10	80	20
11	80	20
12	80	20
13	80	20
14	80	20
15	80	20
16	80	20
17	80	20
18	80	20
19	79	21
20	79	21
21	79	21
22	79	21
23	78	22
24	78	22
25	78	22
26	78	22
27	79	21
28	79	21
29	78	22
30	78	22
31	79	21

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

	Dry (%)	Comfortable (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	79	21
6	79	21
7	80	20
8	80	20
9	81	19
10	82	18
11	83	17
12	83	17
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	85	15
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	85	15
26	85	15
27	85	15
28	85	15
29	85	15
30	84	16
31	84	16

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

	Clearer (%)	Cloudier (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	78	22
6	78	22
7	79	21
8	79	21
9	80	20
10	80	20
11	80	20
12	80	20
13	80	20
14	80	20
15	80	20
16	80	20
17	80	20
18	80	20
19	79	21
20	79	21
21	79	21
22	79	21
23	78	22
24	78	22
25	78	22
26	78	22
27	79	21
28	79	21
29	78	22
30	78	22
31	79	21

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

	Dry (%)	Comfortable (%)
1	77	23
2	77	23
3	78	22
4	78	22
5	79	21
6	79	21
7	80	20
8	80	20
9	81	19
10	82	18
11	83	17
12	83	17
13	84	16
14	85	15
15	85	15
16	85	15
17	85	15
18	85	15
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	85	15
26	85	15
27	85	15
28	85	15
29	85	15
30	84	16
31	84	16