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San Miguel de Allende, Guanajuato climate
Cwb Subtropical highland (dry winter)
San Miguel de Allende has a mildly seasonal mild-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is May with an average daily high near 88°F, while the coldest is January averaging around 39°F at night. Precipitation totals about 26 inches a year and is strongly seasonal — July alone averages 5.7 inches while December barely receives 0.19 inches.
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 Miguel de Allende climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 74 | 78 | 83 | 87 | 88 | 83 | 79 | 80 | 78 | 78 | 76 | 74 |
| Avg temp (°F) | 56 | 59 | 64 | 69 | 71 | 70 | 68 | 68 | 67 | 64 | 60 | 57 |
| Avg low (°F) | 39 | 41 | 46 | 50 | 55 | 57 | 57 | 57 | 56 | 50 | 44 | 39 |
| Precipitation (in) | 0.5 | 0.5 | 0.4 | 0.5 | 1.6 | 4.8 | 5.7 | 4.1 | 5.0 | 1.6 | 0.6 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 74 | 78 | 83 | 87 | 88 | 83 |
| Avg temp (°F) | 56 | 59 | 64 | 69 | 71 | 70 |
| Avg low (°F) | 39 | 41 | 46 | 50 | 55 | 57 |
| Precipitation (in) | 0.5 | 0.5 | 0.4 | 0.5 | 1.6 | 4.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 80 | 78 | 78 | 76 | 74 |
| Avg temp (°F) | 68 | 68 | 67 | 64 | 60 | 57 |
| Avg low (°F) | 57 | 57 | 56 | 50 | 44 | 39 |
| Precipitation (in) | 5.7 | 4.1 | 5.0 | 1.6 | 0.6 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 30 | 29 | 36 | 44 | 60 | 65 | 61 | 63 | 47 | 33 | 33 |
| Relative humidity (%) | 59 | 54 | 46 | 42 | 49 | 64 | 71 | 73 | 76 | 72 | 69 | 64 |
| Wind speed (mph) | 5.4 | 5.7 | 6.0 | 6.0 | 5.8 | 6.4 | 6.3 | 6.4 | 6.4 | 5.9 | 5.5 | 5.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 30 | 29 | 36 | 44 | 60 |
| Relative humidity (%) | 59 | 54 | 46 | 42 | 49 | 64 |
| Wind speed (mph) | 5.4 | 5.7 | 6.0 | 6.0 | 5.8 | 6.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 61 | 63 | 47 | 33 | 33 |
| Relative humidity (%) | 71 | 73 | 76 | 72 | 69 | 64 |
| Wind speed (mph) | 6.3 | 6.4 | 6.4 | 5.9 | 5.5 | 5.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Cinco Señores, about 16 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.