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Comitán, Chiapas climate
Cwb Subtropical highland (dry winter)
Comitán has a remarkably steady warm-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is May with an average daily high near 28°C, while the coldest is January averaging around 11°C at night. Precipitation totals about 824 mm a year and is strongly seasonal — June alone averages 172 mm while January barely receives 4 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)Comitán climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 25 | 27 | 29 | 28 | 26 | 25 | 26 | 26 | 24 | 23 | 23 |
| Avg temp (°C) | 17 | 18 | 20 | 21 | 22 | 21 | 20 | 21 | 21 | 19 | 18 | 17 |
| Avg low (°C) | 11 | 11 | 13 | 14 | 16 | 16 | 15 | 15 | 16 | 14 | 13 | 11 |
| Precipitation (mm) | 4 | 7 | 14 | 37 | 123 | 172 | 72 | 107 | 162 | 96 | 21 | 9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 25 | 27 | 29 | 28 | 26 |
| Avg temp (°C) | 17 | 18 | 20 | 21 | 22 | 21 |
| Avg low (°C) | 11 | 11 | 13 | 14 | 16 | 16 |
| Precipitation (mm) | 4 | 7 | 14 | 37 | 123 | 172 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 26 | 24 | 23 | 23 |
| Avg temp (°C) | 20 | 21 | 21 | 19 | 18 | 17 |
| Avg low (°C) | 15 | 15 | 16 | 14 | 13 | 11 |
| Precipitation (mm) | 72 | 107 | 162 | 96 | 21 | 9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 40 | 39 | 46 | 66 | 79 | 72 | 72 | 79 | 67 | 51 | 42 |
| Relative humidity (%) | 75 | 68 | 61 | 59 | 68 | 81 | 81 | 82 | 86 | 85 | 83 | 80 |
| Wind speed (mph) | 4.7 | 4.6 | 4.6 | 4.0 | 3.4 | 3.4 | 4.5 | 3.8 | 3.2 | 3.6 | 4.5 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 40 | 39 | 46 | 66 | 79 |
| Relative humidity (%) | 75 | 68 | 61 | 59 | 68 | 81 |
| Wind speed (mph) | 4.7 | 4.6 | 4.6 | 4.0 | 3.4 | 3.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 72 | 79 | 67 | 51 | 42 |
| Relative humidity (%) | 81 | 82 | 86 | 85 | 83 | 80 |
| Wind speed (mph) | 4.5 | 3.8 | 3.2 | 3.6 | 4.5 | 4.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Comitan (obs), 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.