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Zacatelco, Tlaxcala climate
Cwb Subtropical highland (dry winter)
Zacatelco has a remarkably steady mild-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 4°C at night. Precipitation totals about 947 mm a year and is strongly seasonal — June alone averages 184 mm while December barely receives 7 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)Zacatelco climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 24 | 26 | 27 | 28 | 26 | 25 | 25 | 25 | 25 | 24 | 23 |
| Avg temp (°C) | 13 | 15 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 14 |
| Avg low (°C) | 4 | 5 | 6 | 8 | 9 | 10 | 9 | 9 | 9 | 8 | 7 | 5 |
| Precipitation (mm) | 7 | 7 | 14 | 37 | 82 | 184 | 170 | 177 | 172 | 70 | 22 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 24 | 26 | 27 | 28 | 26 |
| Avg temp (°C) | 13 | 15 | 16 | 18 | 18 | 18 |
| Avg low (°C) | 4 | 5 | 6 | 8 | 9 | 10 |
| Precipitation (mm) | 7 | 7 | 14 | 37 | 82 | 184 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 24 | 23 |
| Avg temp (°C) | 17 | 17 | 17 | 16 | 15 | 14 |
| Avg low (°C) | 9 | 9 | 9 | 8 | 7 | 5 |
| Precipitation (mm) | 170 | 177 | 172 | 70 | 22 | 7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 32 | 36 | 46 | 53 | 66 | 68 | 68 | 71 | 53 | 38 | 32 |
| Relative humidity (%) | 58 | 53 | 49 | 48 | 55 | 68 | 71 | 74 | 79 | 74 | 68 | 62 |
| Wind speed (m/s) | 2.1 | 2.2 | 2.3 | 2.1 | 1.8 | 1.9 | 2.1 | 2.0 | 1.9 | 2.1 | 2.1 | 2.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 32 | 36 | 46 | 53 | 66 |
| Relative humidity (%) | 58 | 53 | 49 | 48 | 55 | 68 |
| Wind speed (m/s) | 2.1 | 2.2 | 2.3 | 2.1 | 1.8 | 1.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 71 | 53 | 38 | 32 |
| Relative humidity (%) | 71 | 74 | 79 | 74 | 68 | 62 |
| Wind speed (m/s) | 2.1 | 2.0 | 1.9 | 2.1 | 2.1 | 2.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Zacatelco, 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.