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Altamira, Tamaulipas climate
Aw Tropical savanna (dry winter)
Altamira has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is August with an average daily high near 92°F, while the coldest is January averaging around 60°F at night. Precipitation totals about 42 inches a year and is strongly seasonal — September alone averages 11.2 inches while April barely receives 0.87 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)Altamira climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 74 | 77 | 81 | 86 | 89 | 91 | 91 | 92 | 90 | 86 | 81 | 77 |
| Avg temp (°F) | 67 | 70 | 74 | 79 | 83 | 84 | 85 | 85 | 83 | 79 | 74 | 70 |
| Avg low (°F) | 60 | 63 | 67 | 72 | 76 | 78 | 78 | 78 | 76 | 72 | 67 | 62 |
| Precipitation (in) | 1.6 | 0.9 | 1.0 | 0.9 | 1.4 | 5.5 | 5.0 | 5.3 | 11.2 | 6.2 | 1.8 | 1.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 74 | 77 | 81 | 86 | 89 | 91 |
| Avg temp (°F) | 67 | 70 | 74 | 79 | 83 | 84 |
| Avg low (°F) | 60 | 63 | 67 | 72 | 76 | 78 |
| Precipitation (in) | 1.6 | 0.9 | 1.0 | 0.9 | 1.4 | 5.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 92 | 90 | 86 | 81 | 77 |
| Avg temp (°F) | 85 | 85 | 83 | 79 | 74 | 70 |
| Avg low (°F) | 78 | 78 | 76 | 72 | 67 | 62 |
| Precipitation (in) | 5.0 | 5.3 | 11.2 | 6.2 | 1.8 | 1.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 63 | 60 | 59 | 51 | 51 | 49 | 51 | 60 | 55 | 59 | 67 |
| Relative humidity (%) | 75 | 74 | 71 | 69 | 71 | 73 | 78 | 78 | 80 | 79 | 78 | 76 |
| Wind speed (mph) | 6.4 | 6.7 | 7.3 | 7.5 | 7.3 | 6.6 | 5.7 | 5.1 | 5.3 | 5.8 | 6.1 | 6.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 63 | 60 | 59 | 51 | 51 |
| Relative humidity (%) | 75 | 74 | 71 | 69 | 71 | 73 |
| Wind speed (mph) | 6.4 | 6.7 | 7.3 | 7.5 | 7.3 | 6.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 51 | 60 | 55 | 59 | 67 |
| Relative humidity (%) | 78 | 78 | 80 | 79 | 78 | 76 |
| Wind speed (mph) | 5.7 | 5.1 | 5.3 | 5.8 | 6.1 | 6.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Tampico (obs), about 3 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.