Tuxtla climate
Tuxtla (Chiapas, Mexico) has a tropical monsoon climate (Köppen Am). The average temperature over the year is 24 °C75 °F, and about 1,939 mm76 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Tuxtla climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2578 | 1660 | 2069 | 943.7 |
| Feb | 2781 | 1662 | 2271 | 642.5 |
| Mar | 2985 | 1763 | 2374 | 532.1 |
| Apr | 3290 | 1967 | 2678 | 552.2 |
| May | 3290 | 2170 | 2680 | 1365.4 |
| Jun | 3085 | 2170 | 2578 | 25810 |
| Jul | 3086 | 2169 | 2578 | 1877.4 |
| Aug | 2985 | 2170 | 2577 | 25510 |
| Sep | 2883 | 2170 | 2577 | 33013 |
| Oct | 2781 | 2068 | 2475 | 25810 |
| Nov | 2679 | 1864 | 2271 | 1526.0 |
| Dec | 2678 | 1762 | 2170 | 963.8 |
| Year | 3290 | 1660 | 2475 | 1,93976 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 85% | 46% | 4.5 | 11:14 |
| Feb | 82% | 39% | 5.4 | 11:35 |
| Mar | 77% | 36% | 6.1 | 12:00 |
| Apr | 72% | 39% | 6.3 | 12:30 |
| May | 75% | 61% | 5.8 | 12:54 |
| Jun | 84% | 78% | 5.4 | 13:07 |
| Jul | 84% | 75% | 5.9 | 13:02 |
| Aug | 86% | 76% | 5.8 | 12:41 |
| Sep | 89% | 82% | 5.0 | 12:12 |
| Oct | 90% | 69% | 4.8 | 11:44 |
| Nov | 89% | 50% | 4.6 | 11:19 |
| Dec | 87% | 44% | 4.4 | 11:08 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Tuxtla is like
The warmest month is May, with an average high of 32 °C90 °F and a low of 21 °C70 °F. The coldest is January, when highs average 25 °C78 °F and lows 16 °C60 °F. Seasonal differences are small — just 6 °C10.8 °F between the warmest and the coolest month.
It is wet, with about 1,939 mm76 in of precipitation per year. The wettest three-month stretch is August–October, which brings 43% of the annual total. The wettest month is September (330 mm13 in), the driest is March (53 mm2.1 in).
Relative humidity ranges from 72% in April to 90% in October. The clearest skies (lowest average cloud amount, 36%) are typical of March. Average wind speed near the ground ranges from 4 km/h (3 mph) in July to 7 km/h (4 mph) in January. Daylight lasts from about 11.1 hours in December to 13.1 hours in June.
Best time to visit Tuxtla
Based on these averages, the most comfortable months for sightseeing and outdoor activities are February and March: average highs of 27 °C81 °F to 29 °C85 °F with 53 mm2.1 in to 64 mm2.5 in of precipitation per month.
The most challenging month is September, which is very wet (330 mm13 in) and humid (89% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Tuxtla
- Wetter months (June–October) — highs 2781 to 30 °C86 °F, lows 2068 to 21 °C70 °F, about 258 mm10 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
- Drier months (November–May) — highs 2578 to 32 °C90 °F, lows 1660 to 21 °C70 °F, about 93 mm3.7 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses, an extra layer for the cooler mornings and evenings and an umbrella or light rain jacket.
How Tuxtla compares
Compared with Guatemala City, about 364 km to the southeast, Tuxtla is on average 5.1 °C9.2 °F warmer and receives 46% more precipitation (1,939 mm76 in vs 1,332 mm52 in). The difference is largest in July (6.3 °C11.3 °F warmer).
Of the 96 places in Mexico covered by World Climates, Tuxtla is the 43rd warmest by annual mean temperature and the 4th wettest by annual precipitation. See all of them on the Mexico climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Chiquimula (Guatemala, Aw), Catacamas (Honduras, As) and Toamasina (Madagascar, Am).
Nearby places
- San Cristóbal de las Casas 51 km · 14 °C58 °F · 1,372 mm54 in
- Comitán 119 km · 18 °C64 °F · 1,394 mm55 in
- Villahermosa 138 km · 26 °C79 °F · 2,172 mm85 in
- Coatzacoalcos 210 km · 26 °C78 °F · 2,290 mm90 in
- Tapachula 225 km · 27 °C81 °F · 2,570 mm101 in
- Ciudad del Carmen 251 km · 27 °C80 °F · 1,683 mm66 in
- Coatepeque 264 km · 25 °C77 °F · 2,100 mm83 in
- Quetzaltenango 272 km · 14 °C57 °F · 1,857 mm73 in
Frequently asked questions
What is the warmest month in Tuxtla?
May is the warmest month in Tuxtla, with an average high of 32 °C (90 °F) and an average low of 21 °C (70 °F).
What is the coldest month in Tuxtla?
January is the coldest month, with an average high of 25 °C (78 °F) and an average low of 16 °C (60 °F).
When does it rain the most in Tuxtla?
September is the wettest month with about 330 mm (13.0 in) of precipitation; March is the driest with about 53 mm (2.1 in).
What is the best time to visit Tuxtla?
Judging by long-term averages, the most comfortable months are February and March.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 1,035 m, while Tuxtla lies at about 535 m. Temperatures on this page were therefore adjusted by +3.2 °C5.8 °F using the standard lapse rate of 6.5 °C per 1,000 m.