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Santiago Teyahualco, State of Mexico climate
Cwb Subtropical highland (dry winter)
Santiago Teyahualco has a mildly seasonal mild-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is May with an average daily high near 27°C, while the coldest is January averaging around 2°C at night. Precipitation totals about 618 mm a year and is strongly seasonal — July alone averages 132 mm while December 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)Santiago Teyahualco climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 23 | 24 | 26 | 27 | 25 | 24 | 24 | 23 | 22 | 21 | 21 |
| Avg temp (°C) | 11 | 13 | 15 | 17 | 18 | 17 | 17 | 17 | 16 | 15 | 13 | 12 |
| Avg low (°C) | 2 | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 10 | 7 | 5 | 3 |
| Precipitation (mm) | 7 | 10 | 10 | 27 | 43 | 104 | 132 | 109 | 110 | 45 | 16 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 23 | 24 | 26 | 27 | 25 |
| Avg temp (°C) | 11 | 13 | 15 | 17 | 18 | 17 |
| Avg low (°C) | 2 | 3 | 5 | 7 | 9 | 10 |
| Precipitation (mm) | 7 | 10 | 10 | 27 | 43 | 104 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 23 | 22 | 21 | 21 |
| Avg temp (°C) | 17 | 17 | 16 | 15 | 13 | 12 |
| Avg low (°C) | 10 | 10 | 10 | 7 | 5 | 3 |
| Precipitation (mm) | 132 | 109 | 110 | 45 | 16 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 35 | 36 | 46 | 55 | 71 | 75 | 74 | 76 | 59 | 42 | 37 |
| Relative humidity (%) | 62 | 56 | 50 | 47 | 55 | 68 | 75 | 77 | 81 | 78 | 73 | 66 |
| Wind speed (m/s) | 1.9 | 2.1 | 2.3 | 2.3 | 2.3 | 2.4 | 2.2 | 2.2 | 2.2 | 2.0 | 1.9 | 1.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 35 | 36 | 46 | 55 | 71 |
| Relative humidity (%) | 62 | 56 | 50 | 47 | 55 | 68 |
| Wind speed (m/s) | 1.9 | 2.1 | 2.3 | 2.3 | 2.3 | 2.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 74 | 76 | 59 | 42 | 37 |
| Relative humidity (%) | 75 | 77 | 81 | 78 | 73 | 66 |
| Wind speed (m/s) | 2.2 | 2.2 | 2.2 | 2.0 | 1.9 | 1.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Santo Tomas Puente Colgante, about 14 km from the city centre.
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.