Climate averages 1991–2020
San Cristóbal de las Casas weather
in April.
A warm, moderately wet month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in San Cristóbal de las Casas: daytime highs average 23.4°C and nights cool to about 12.2°C. By daytime temperature it is the warmest month of the year.
Expect about 50 mm of rain on roughly 9 days, which makes April a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average April day.
The nearest other city in this atlas is Tuxtla (51 km away). In April its highs average 33.1°C, 9.6°C warmer than San Cristóbal de las Casas, with 33 mm of rain.
Among the 153 cities listed in Mexico, San Cristóbal de las Casas ranks 144th of 153 for the warmest April highs and 139th of 153 for the driest April (rainfall, lowest first). The mean April high of those 153 cities is 28.7°C; San Cristóbal de las Casas is 5.3°C cooler than that mean.
From April to May, average highs fall by 1.2°C to 22.2°C, and monthly rainfall rises from 50 mm to 223 mm.
The annual picture
April 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 | 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, selected | 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
April in nearby cities
- Tuxtla in AprilMexico · 51 kmHigh 33.1°C · Low 21.2°C · 33 mm rain
- Comitán in AprilMexico · 76 kmHigh 27.4°C · Low 15.1°C · 35 mm rain
- Villahermosa in AprilMexico · 143 kmHigh 34.2°C · Low 24.0°C · 46 mm rain
- Cárdenas, Mexico in AprilMexico · 162 kmHigh 33.5°C · Low 23.4°C · 39 mm rain
- Paraiso in AprilMexico · 196 kmHigh 33.8°C · Low 24.7°C · 23 mm rain
- Huehuetenango in AprilGuatemala · 200 kmHigh 25.5°C · Low 12.4°C · 54 mm rain
- Tapachula in AprilMexico · 207 kmHigh 31.3°C · Low 21.4°C · 119 mm rain
- Malacatán in AprilGuatemala · 212 kmHigh 29.3°C · Low 18.6°C · 130 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.