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Montemorelos, Nuevo León climate
Cfa Humid subtropical
Montemorelos has a seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 37°C, while the coldest is January averaging around 8°C at night. Precipitation totals about 879 mm a year and is strongly seasonal — September alone averages 232 mm while December barely receives 26 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)Montemorelos climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 25 | 28 | 31 | 33 | 36 | 36 | 37 | 32 | 29 | 25 | 22 |
| Avg temp (°C) | 15 | 17 | 20 | 24 | 27 | 29 | 29 | 29 | 27 | 23 | 19 | 15 |
| Avg low (°C) | 8 | 10 | 13 | 17 | 20 | 22 | 22 | 22 | 21 | 17 | 12 | 8 |
| Precipitation (mm) | 27 | 29 | 44 | 55 | 81 | 89 | 78 | 84 | 232 | 102 | 33 | 26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 25 | 28 | 31 | 33 | 36 |
| Avg temp (°C) | 15 | 17 | 20 | 24 | 27 | 29 |
| Avg low (°C) | 8 | 10 | 13 | 17 | 20 | 22 |
| Precipitation (mm) | 27 | 29 | 44 | 55 | 81 | 89 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 36 | 37 | 32 | 29 | 25 | 22 |
| Avg temp (°C) | 29 | 29 | 27 | 23 | 19 | 15 |
| Avg low (°C) | 22 | 22 | 21 | 17 | 12 | 8 |
| Precipitation (mm) | 78 | 84 | 232 | 102 | 33 | 26 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 55 | 55 | 56 | 55 | 44 | 40 | 39 | 51 | 44 | 49 | 56 |
| Relative humidity (%) | 58 | 54 | 51 | 49 | 57 | 62 | 62 | 64 | 73 | 71 | 66 | 60 |
| Wind speed (m/s) | 1.4 | 1.5 | 1.7 | 1.8 | 1.8 | 1.8 | 1.9 | 1.7 | 1.4 | 1.3 | 1.3 | 1.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 55 | 55 | 56 | 55 | 44 |
| Relative humidity (%) | 58 | 54 | 51 | 49 | 57 | 62 |
| Wind speed (m/s) | 1.4 | 1.5 | 1.7 | 1.8 | 1.8 | 1.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 40 | 39 | 51 | 44 | 49 | 56 |
| Relative humidity (%) | 62 | 64 | 73 | 71 | 66 | 60 |
| Wind speed (m/s) | 1.9 | 1.7 | 1.4 | 1.3 | 1.3 | 1.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Montemorelos, inside the city.
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.