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Isla Mujeres, Quintana Roo climate
Aw Tropical savanna (dry winter)
Isla Mujeres has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is August with an average daily high near 35°C, while the coldest is January averaging around 20°C at night. Precipitation totals about 1371 mm a year and is strongly seasonal — October alone averages 277 mm while March barely receives 39 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)Isla Mujeres climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 30 | 32 | 33 | 34 | 34 | 35 | 35 | 34 | 32 | 30 | 29 |
| Avg temp (°C) | 24 | 25 | 26 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 26 | 25 |
| Avg low (°C) | 20 | 21 | 21 | 23 | 24 | 25 | 25 | 25 | 25 | 24 | 22 | 21 |
| Precipitation (mm) | 104 | 59 | 39 | 42 | 87 | 184 | 67 | 102 | 182 | 277 | 131 | 97 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 30 | 32 | 33 | 34 | 34 |
| Avg temp (°C) | 24 | 25 | 26 | 28 | 29 | 30 |
| Avg low (°C) | 20 | 21 | 21 | 23 | 24 | 25 |
| Precipitation (mm) | 104 | 59 | 39 | 42 | 87 | 184 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 35 | 34 | 32 | 30 | 29 |
| Avg temp (°C) | 30 | 30 | 29 | 28 | 26 | 25 |
| Avg low (°C) | 25 | 25 | 25 | 24 | 22 | 21 |
| Precipitation (mm) | 67 | 102 | 182 | 277 | 131 | 97 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 41 | 38 | 38 | 44 | 55 | 47 | 50 | 55 | 55 | 51 | 49 |
| Relative humidity (%) | 76 | 75 | 72 | 73 | 74 | 81 | 80 | 80 | 82 | 83 | 79 | 78 |
| Wind speed (m/s) | 2.6 | 2.5 | 2.6 | 2.5 | 2.4 | 2.3 | 2.0 | 2.0 | 2.0 | 2.3 | 2.6 | 2.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 41 | 38 | 38 | 44 | 55 |
| Relative humidity (%) | 76 | 75 | 72 | 73 | 74 | 81 |
| Wind speed (m/s) | 2.6 | 2.5 | 2.6 | 2.5 | 2.4 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 50 | 55 | 55 | 51 | 49 |
| Relative humidity (%) | 80 | 80 | 82 | 83 | 79 | 78 |
| Wind speed (m/s) | 2.0 | 2.0 | 2.0 | 2.3 | 2.6 | 2.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Cancun, about 12 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.