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Irapuato, Guanajuato climate
BSh Hot semi-arid
Irapuato has a mildly seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is May with an average daily high near 92°F, while the coldest is January averaging around 44°F at night. Precipitation totals about 26 inches a year and is strongly seasonal — July alone averages 6.7 inches while December barely receives 0.17 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)Irapuato climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 82 | 86 | 90 | 92 | 87 | 83 | 83 | 82 | 83 | 82 | 79 |
| Avg temp (°F) | 61 | 64 | 68 | 73 | 76 | 74 | 72 | 71 | 70 | 69 | 65 | 62 |
| Avg low (°F) | 44 | 47 | 50 | 56 | 60 | 61 | 60 | 59 | 58 | 54 | 49 | 44 |
| Precipitation (in) | 0.4 | 0.4 | 0.3 | 0.2 | 1.2 | 4.9 | 6.7 | 5.5 | 4.4 | 1.5 | 0.4 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 82 | 86 | 90 | 92 | 87 |
| Avg temp (°F) | 61 | 64 | 68 | 73 | 76 | 74 |
| Avg low (°F) | 44 | 47 | 50 | 56 | 60 | 61 |
| Precipitation (in) | 0.4 | 0.4 | 0.3 | 0.2 | 1.2 | 4.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 83 | 82 | 83 | 82 | 79 |
| Avg temp (°F) | 72 | 71 | 70 | 69 | 65 | 62 |
| Avg low (°F) | 60 | 59 | 58 | 54 | 49 | 44 |
| Precipitation (in) | 6.7 | 5.5 | 4.4 | 1.5 | 0.4 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 29 | 27 | 34 | 41 | 61 | 67 | 62 | 63 | 44 | 30 | 33 |
| Relative humidity (%) | 54 | 49 | 40 | 35 | 41 | 58 | 71 | 74 | 76 | 70 | 64 | 59 |
| Wind speed (mph) | 4.1 | 4.2 | 4.4 | 4.7 | 4.5 | 4.6 | 4.0 | 4.0 | 4.3 | 4.3 | 4.2 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 29 | 27 | 34 | 41 | 61 |
| Relative humidity (%) | 54 | 49 | 40 | 35 | 41 | 58 |
| Wind speed (mph) | 4.1 | 4.2 | 4.4 | 4.7 | 4.5 | 4.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 62 | 63 | 44 | 30 | 33 |
| Relative humidity (%) | 71 | 74 | 76 | 70 | 64 | 59 |
| Wind speed (mph) | 4.0 | 4.0 | 4.3 | 4.3 | 4.2 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Irapuato, 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.