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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 95°F, while the coldest is January averaging around 68°F at night. Precipitation totals about 54 inches a year and is strongly seasonal — October alone averages 10.9 inches while March barely receives 1.52 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)Isla Mujeres climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 86 | 89 | 92 | 94 | 93 | 95 | 95 | 94 | 90 | 87 | 85 |
| Avg temp (°F) | 76 | 78 | 80 | 82 | 85 | 85 | 86 | 86 | 85 | 82 | 79 | 77 |
| Avg low (°F) | 68 | 69 | 71 | 73 | 76 | 77 | 77 | 77 | 76 | 75 | 72 | 70 |
| Precipitation (in) | 4.1 | 2.3 | 1.5 | 1.7 | 3.4 | 7.3 | 2.6 | 4.0 | 7.1 | 10.9 | 5.2 | 3.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 86 | 89 | 92 | 94 | 93 |
| Avg temp (°F) | 76 | 78 | 80 | 82 | 85 | 85 |
| Avg low (°F) | 68 | 69 | 71 | 73 | 76 | 77 |
| Precipitation (in) | 4.1 | 2.3 | 1.5 | 1.7 | 3.4 | 7.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 95 | 95 | 94 | 90 | 87 | 85 |
| Avg temp (°F) | 86 | 86 | 85 | 82 | 79 | 77 |
| Avg low (°F) | 77 | 77 | 76 | 75 | 72 | 70 |
| Precipitation (in) | 2.6 | 4.0 | 7.1 | 10.9 | 5.2 | 3.8 |
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 (mph) | 5.7 | 5.6 | 5.9 | 5.6 | 5.3 | 5.0 | 4.4 | 4.4 | 4.5 | 5.2 | 5.7 | 5.6 |
| 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 (mph) | 5.7 | 5.6 | 5.9 | 5.6 | 5.3 | 5.0 |
| 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 (mph) | 4.4 | 4.4 | 4.5 | 5.2 | 5.7 | 5.6 |
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.