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Salina Cruz, Oaxaca climate
BSh Hot semi-arid
Salina Cruz has a mildly seasonal tropical climate (Hot semi-arid, Köppen BSh). The hottest month is May with an average daily high near 98°F, while the coldest is January averaging around 60°F at night. Precipitation totals about 29 inches a year and is strongly seasonal — June alone averages 7.0 inches while January barely receives 0.00 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)Salina Cruz climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 93 | 95 | 97 | 98 | 95 | 95 | 95 | 94 | 93 | 91 | 91 |
| Avg temp (°F) | 76 | 77 | 80 | 84 | 86 | 84 | 84 | 83 | 83 | 80 | 77 | 76 |
| Avg low (°F) | 60 | 62 | 66 | 70 | 74 | 73 | 72 | 72 | 71 | 68 | 64 | 61 |
| Precipitation (in) | 0.0 | 0.0 | 0.1 | 0.2 | 1.4 | 7.0 | 5.5 | 6.1 | 6.1 | 2.5 | 0.5 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 93 | 95 | 97 | 98 | 95 |
| Avg temp (°F) | 76 | 77 | 80 | 84 | 86 | 84 |
| Avg low (°F) | 60 | 62 | 66 | 70 | 74 | 73 |
| Precipitation (in) | 0.0 | 0.0 | 0.1 | 0.2 | 1.4 | 7.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 95 | 95 | 94 | 93 | 91 | 91 |
| Avg temp (°F) | 84 | 83 | 83 | 80 | 77 | 76 |
| Avg low (°F) | 72 | 72 | 71 | 68 | 64 | 61 |
| Precipitation (in) | 5.5 | 6.1 | 6.1 | 2.5 | 0.5 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 32 | 33 | 38 | 57 | 74 | 70 | 72 | 77 | 60 | 40 | 35 |
| Relative humidity (%) | 78 | 73 | 69 | 65 | 67 | 79 | 83 | 85 | 87 | 85 | 83 | 81 |
| Wind speed (mph) | 11.9 | 10.9 | 10.5 | 9.6 | 8.2 | 6.5 | 7.4 | 7.0 | 6.8 | 9.5 | 11.8 | 11.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 32 | 33 | 38 | 57 | 74 |
| Relative humidity (%) | 78 | 73 | 69 | 65 | 67 | 79 |
| Wind speed (mph) | 11.9 | 10.9 | 10.5 | 9.6 | 8.2 | 6.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 72 | 77 | 60 | 40 | 35 |
| Relative humidity (%) | 83 | 85 | 87 | 85 | 83 | 81 |
| Wind speed (mph) | 7.4 | 7.0 | 6.8 | 9.5 | 11.8 | 11.6 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Rio Hondo, about 35 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.