Climate averages 1991–2020
San Cristóbal de las Casas weather
in January.
A mild, very dry month: the 11th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in San Cristóbal de las Casas: daytime highs average 19.6°C and nights cool to about 9.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 12 mm of rain on roughly 3 days, which makes January a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 15 min on an average January day.
The nearest other city in this atlas is Tuxtla (51 km away). In January its highs average 27.2°C, 7.6°C warmer than San Cristóbal de las Casas, with 7.4 mm of rain.
Among the 153 cities listed in Mexico, San Cristóbal de las Casas ranks joint 124th of 153 for the warmest January highs and joint 42nd of 153 for the driest January (rainfall, lowest first). The mean January high of those 153 cities is 22.4°C; San Cristóbal de las Casas is 2.8°C cooler than that mean.
From January to February, average highs rise by 1.6°C to 21.3°C, and monthly rainfall falls from 12 mm to 7.3 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Cristóbal de las Casas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 19.6°C9.7°C | 9.7°C | 12 | 2.6 | 11.211 h |
| February | 21.3°C10.1°C | 10.1°C | 7.3 | 1.8 | 11.612 h |
| March | 22.9°C11.0°C | 11.0°C | 17 | 3.7 | 12.012 h |
| April | 23.4°C12.2°C | 12.2°C | 50 | 8.6 | 12.513 h |
| May | 22.2°C13.0°C | 13.0°C | 223 | 19.2 | 12.913 h |
| June | 20.8°C13.3°C | 13.3°C | 486 | 25.7 | 13.113 h |
| July | 21.0°C12.8°C | 12.8°C | 300 | 21.6 | 13.013 h |
| August | 21.0°C12.9°C | 12.9°C | 363 | 23.2 | 12.713 h |
| September | 20.3°C13.1°C | 13.1°C | 429 | 26.3 | 12.212 h |
| October | 19.9°C12.5°C | 12.5°C | 230 | 18.1 | 11.812 h |
| November | 19.5°C11.1°C | 11.1°C | 58 | 7.9 | 11.411 h |
| December | 19.7°C10.2°C | 10.2°C | 18 | 2.5 | 11.211 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Tuxtla in JanuaryMexico · 51 kmHigh 27.2°C · Low 17.4°C · 7.4 mm rain
- Comitán in JanuaryMexico · 76 kmHigh 22.5°C · Low 12.4°C · 6.5 mm rain
- Villahermosa in JanuaryMexico · 143 kmHigh 26.8°C · Low 19.7°C · 85 mm rain
- Cárdenas, Mexico in JanuaryMexico · 162 kmHigh 26.3°C · Low 19.2°C · 81 mm rain
- Paraiso in JanuaryMexico · 196 kmHigh 26.7°C · Low 20.5°C · 59 mm rain
- Huehuetenango in JanuaryGuatemala · 200 kmHigh 21.2°C · Low 9.7°C · 7.0 mm rain
- Tapachula in JanuaryMexico · 207 kmHigh 29.8°C · Low 18.8°C · 18 mm rain
- Malacatán in JanuaryGuatemala · 212 kmHigh 28.2°C · Low 16.6°C · 30 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Cristóbal de las Casas) is explained once on the San Cristóbal de las Casas year overview and on the Sources, method and limits page.