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Oaxaca, Oaxaca climate
Aw Tropical savanna (dry winter)
Oaxaca has a mildly seasonal warm-temperate climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 95°F, while the coldest is January averaging around 51°F at night. Precipitation totals about 34 inches a year and is strongly seasonal — June alone averages 7.4 inches while January barely receives 0.09 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)Oaxaca climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 88 | 92 | 95 | 93 | 88 | 86 | 86 | 84 | 85 | 84 | 84 |
| Avg temp (°F) | 67 | 71 | 74 | 78 | 78 | 75 | 73 | 73 | 73 | 71 | 69 | 68 |
| Avg low (°F) | 51 | 53 | 56 | 60 | 62 | 62 | 61 | 61 | 61 | 58 | 54 | 52 |
| Precipitation (in) | 0.1 | 0.2 | 0.7 | 1.9 | 3.9 | 7.4 | 4.7 | 5.2 | 6.4 | 2.5 | 0.4 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 88 | 92 | 95 | 93 | 88 |
| Avg temp (°F) | 67 | 71 | 74 | 78 | 78 | 75 |
| Avg low (°F) | 51 | 53 | 56 | 60 | 62 | 62 |
| Precipitation (in) | 0.1 | 0.2 | 0.7 | 1.9 | 3.9 | 7.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 84 | 85 | 84 | 84 |
| Avg temp (°F) | 73 | 73 | 73 | 71 | 69 | 68 |
| Avg low (°F) | 61 | 61 | 61 | 58 | 54 | 52 |
| Precipitation (in) | 4.7 | 5.2 | 6.4 | 2.5 | 0.4 | 0.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 42 | 42 | 47 | 59 | 75 | 75 | 75 | 80 | 65 | 51 | 45 |
| Relative humidity (%) | 69 | 63 | 57 | 56 | 64 | 77 | 82 | 83 | 85 | 83 | 79 | 74 |
| Wind speed (mph) | 4.6 | 4.4 | 4.3 | 4.0 | 3.6 | 3.9 | 4.4 | 4.1 | 3.9 | 4.7 | 5.2 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 42 | 42 | 47 | 59 | 75 |
| Relative humidity (%) | 69 | 63 | 57 | 56 | 64 | 77 |
| Wind speed (mph) | 4.6 | 4.4 | 4.3 | 4.0 | 3.6 | 3.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 75 | 80 | 65 | 51 | 45 |
| Relative humidity (%) | 82 | 83 | 85 | 83 | 79 | 74 |
| Wind speed (mph) | 4.4 | 4.1 | 3.9 | 4.7 | 5.2 | 4.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Oaxaca, 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.