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San Juan del Río, Querétaro climate
BSh Hot semi-arid
San Juan del Río has a mildly seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is May with an average daily high near 88°F, while the coldest is January averaging around 44°F at night. Precipitation totals about 25 inches a year and is strongly seasonal — February alone averages 5.3 inches while December barely receives 0.13 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 Juan del Río climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 79 | 83 | 87 | 88 | 85 | 82 | 82 | 79 | 79 | 78 | 77 |
| Avg temp (°F) | 60 | 63 | 66 | 70 | 72 | 71 | 69 | 69 | 68 | 65 | 63 | 61 |
| Avg low (°F) | 44 | 46 | 49 | 53 | 56 | 57 | 57 | 56 | 56 | 52 | 48 | 44 |
| Precipitation (in) | 0.4 | 5.4 | 0.5 | 0.6 | 1.2 | 3.2 | 3.7 | 3.7 | 3.8 | 1.7 | 0.4 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 79 | 83 | 87 | 88 | 85 |
| Avg temp (°F) | 60 | 63 | 66 | 70 | 72 | 71 |
| Avg low (°F) | 44 | 46 | 49 | 53 | 56 | 57 |
| Precipitation (in) | 0.4 | 5.4 | 0.5 | 0.6 | 1.2 | 3.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 82 | 79 | 79 | 78 | 77 |
| Avg temp (°F) | 69 | 69 | 68 | 65 | 63 | 61 |
| Avg low (°F) | 57 | 56 | 56 | 52 | 48 | 44 |
| Precipitation (in) | 3.7 | 3.7 | 3.8 | 1.7 | 0.4 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 40 | 35 | 35 | 41 | 45 | 58 | 62 | 59 | 64 | 51 | 40 | 37 |
| Relative humidity (%) | 61 | 55 | 48 | 44 | 52 | 66 | 74 | 75 | 78 | 75 | 71 | 65 |
| Wind speed (mph) | 5.2 | 5.6 | 6.0 | 6.0 | 5.7 | 6.1 | 6.0 | 6.0 | 5.9 | 5.4 | 5.1 | 4.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 40 | 35 | 35 | 41 | 45 | 58 |
| Relative humidity (%) | 61 | 55 | 48 | 44 | 52 | 66 |
| Wind speed (mph) | 5.2 | 5.6 | 6.0 | 6.0 | 5.7 | 6.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 59 | 64 | 51 | 40 | 37 |
| Relative humidity (%) | 74 | 75 | 78 | 75 | 71 | 65 |
| Wind speed (mph) | 6.0 | 6.0 | 5.9 | 5.4 | 5.1 | 4.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at San Juan Del Rio (dge), about 2 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.