San Cristóbal de las Casas weather in January
In January, San Cristóbal de las Casas has daytime highs averaging 20 °C, nights around 10.0 °C, with 2.8 wet days. Figures are 1991–2020 climate normals.
- 19.8°C Average high
- 10.0°C Average low
- 2.8days Wet days
- 13mm Rainfall
- 11h Daylight
Daily temperatures through January
How January develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 January | 19.5 °C | 10.0 °C | 12 % |
| 11–20 January | 19.6 °C | 9.8 °C | 8 % |
| 21–31 January | 20.3 °C | 10.1 °C | 8 % |
What to expect
| Measure | Typical January | Share of the month |
|---|---|---|
| Days above 25 °C | 0.03 of 31 | 0 % |
| Days above 30 °C | 0 of 31 | 0 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 2.8 of 31 | 9 % |
Conditions in January
| Measure | Average |
|---|---|
| Mean temperature | 14 °C |
| Record high (1991–2020) | 25 °C |
| Record low (1991–2020) | 3.7 °C |
| Relative humidity | 71 % |
| Wind speed | 9.4 km/h |
| Cloud cover | 36 % |
Where San Cristóbal de las Casas ranks in January
| Ranking | Position | Value |
|---|---|---|
| Places with the best weather in North America in January | 37thof 50 | 92/100 |
| The driest places in North America in January | 45thof 50 | 13 mm |
January compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 19.8 °C | 13 mm | 36 % |
| February | 21.5 °C | 9 mm | 31 % |
| March | 23.0 °C | 21 mm | 33 % |
| November | 19.7 °C | 68 mm | 51 % |
| December | 19.8 °C | 19 mm | 38 % |
See all twelve months for San Cristóbal de las Casas
- January is the 10th warmest month here.
- It is the 2nd driest month of the year.
- It ranks 3rd for least cloud cover.
- Days last about 11 hours from sunrise to sunset.
- It rains on 2.8 of 31 days — 9 % of the month.
- Nights are about 9.9 °C cooler than the middle of the day.
- The hottest January day on record since 1991 reached 25 °C, 5.3 °C above the usual daytime high.
Nearby destinations in January
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| San Cristóbal de las Casas | 20 °C | 2.8 | – |
| Tuxtla | 28 °C | 2 | – |
| Comitán | 22 °C | 1 | – |
| Villahermosa | 27 °C | 10 | – |
| Tapachula | 30 °C | 5 | – |
| Ciudad del Carmen | 27 °C | 7 | 25 |
| Quetzaltenango | 19 °C | 9 | – |
QuestionsJanuary in San Cristóbal de las Casas, answered
How warm is San Cristóbal de las Casas in January?
Daily highs average 20 °C and nights fall to about 10.0 °C, a spread of 9.9 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.
Does it rain much in San Cristóbal de las Casas in January?
January averages 13 mm of rain, spread over about 3 of the 31 days — 9 % of the month. Cloud cover averages 36 % of the sky.
How long are the days in January?
San Cristóbal de las Casas averages 11 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.