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Tuxtla, Chiapas climate
Aw Tropical savanna (dry winter)
Tuxtla has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is May with an average daily high near 35°C, while the coldest is January averaging around 17°C at night. Precipitation totals about 1001 mm a year and is strongly seasonal — August alone averages 217 mm while January barely receives 1 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Tuxtla climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 32 | 34 | 36 | 35 | 33 | 32 | 32 | 32 | 31 | 30 | 30 |
| Avg temp (°C) | 23 | 25 | 27 | 29 | 29 | 27 | 27 | 27 | 27 | 26 | 24 | 24 |
| Avg low (°C) | 17 | 18 | 19 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 19 | 18 |
| Precipitation (mm) | 1 | 2 | 3 | 10 | 88 | 211 | 164 | 217 | 209 | 77 | 17 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 32 | 34 | 36 | 35 | 33 |
| Avg temp (°C) | 23 | 25 | 27 | 29 | 29 | 27 |
| Avg low (°C) | 17 | 18 | 19 | 21 | 22 | 22 |
| Precipitation (mm) | 1 | 2 | 3 | 10 | 88 | 211 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 32 | 31 | 30 | 30 |
| Avg temp (°C) | 27 | 27 | 27 | 26 | 24 | 24 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 19 | 18 |
| Precipitation (mm) | 164 | 217 | 209 | 77 | 17 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 45 | 40 | 36 | 40 | 60 | 77 | 72 | 73 | 80 | 67 | 50 | 44 |
| Relative humidity (%) | 85 | 81 | 76 | 71 | 74 | 83 | 84 | 86 | 89 | 90 | 89 | 87 |
| Wind speed (mph) | 4.2 | 4.0 | 4.1 | 3.9 | 3.3 | 2.6 | 2.6 | 2.6 | 2.7 | 3.5 | 4.2 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 45 | 40 | 36 | 40 | 60 | 77 |
| Relative humidity (%) | 85 | 81 | 76 | 71 | 74 | 83 |
| Wind speed (mph) | 4.2 | 4.0 | 4.1 | 3.9 | 3.3 | 2.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 73 | 80 | 67 | 50 | 44 |
| Relative humidity (%) | 84 | 86 | 89 | 90 | 89 | 87 |
| Wind speed (mph) | 2.6 | 2.6 | 2.7 | 3.5 | 4.2 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Tuxtla Gutierrez (dge), inside the city.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.