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San Jerónimo Cuatro Vientos, State of Mexico climate
BSk Cold semi-arid
San Jerónimo Cuatro Vientos has a mildly seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is May with an average daily high near 29°C, while the coldest is January averaging around 4°C at night. Precipitation totals about 620 mm a year and is strongly seasonal — July alone averages 122 mm while December barely receives 6 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)San Jerónimo Cuatro Vientos climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 28 | 29 | 29 | 27 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg temp (°C) | 14 | 16 | 18 | 19 | 20 | 19 | 18 | 18 | 18 | 17 | 16 | 15 |
| Avg low (°C) | 4 | 5 | 7 | 9 | 11 | 11 | 11 | 11 | 11 | 9 | 6 | 4 |
| Precipitation (mm) | 10 | 9 | 15 | 29 | 53 | 109 | 122 | 118 | 90 | 45 | 13 | 6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 28 | 29 | 29 | 27 |
| Avg temp (°C) | 14 | 16 | 18 | 19 | 20 | 19 |
| Avg low (°C) | 4 | 5 | 7 | 9 | 11 | 11 |
| Precipitation (mm) | 10 | 9 | 15 | 29 | 53 | 109 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg temp (°C) | 18 | 18 | 18 | 17 | 16 | 15 |
| Avg low (°C) | 11 | 11 | 11 | 9 | 6 | 4 |
| Precipitation (mm) | 122 | 118 | 90 | 45 | 13 | 6 |
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 (%) | 63 | 57 | 52 | 51 | 58 | 70 | 76 | 78 | 82 | 79 | 73 | 67 |
| Wind speed (km/h) | 5.3 | 5.5 | 5.9 | 5.9 | 5.3 | 5.4 | 5.3 | 5.2 | 5.3 | 5.5 | 5.0 | 4.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 32 | 36 | 46 | 53 | 66 |
| Relative humidity (%) | 63 | 57 | 52 | 51 | 58 | 70 |
| Wind speed (km/h) | 5.3 | 5.5 | 5.9 | 5.9 | 5.3 | 5.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 71 | 53 | 38 | 32 |
| Relative humidity (%) | 76 | 78 | 82 | 79 | 73 | 67 |
| Wind speed (km/h) | 5.3 | 5.2 | 5.3 | 5.5 | 5.0 | 4.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Chapingo (dge), about 22 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.