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Isla Mujeres vs Crested Butte
Comparing Isla Mujeres change · Crested Butte change
Isla Mujeres is the warmer of the two — about 47°F on the annual average; Isla Mujeres is the wetter, with 30 in more rain a year, and Isla Mujeres the sunnier.
How the seasons compare
The differences between Isla Mujeres and Crested Butte, in everyday terms.
Summers
Isla Mujeres has far hotter summers
Isla Mujeres: Very hot
Crested Butte: Mild
Winters
Isla Mujeres has far milder winters
Isla Mujeres: Stays warm
Crested Butte: Bitterly cold
Rain & snow
Isla Mujeres is much wetter
Isla Mujeres: Wet
Crested Butte: Moderate rainfall
Sky
Isla Mujeres is sunnier
Isla Mujeres: Fairly sunny
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Isla Mujeres is the warmer of the two — about 47°F on the annual average.
Precipitation
Isla Mujeres is the wetter — about 30 in more across the year.
Clear skies
Isla Mujeres has the clearer skies — the higher line.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°F) Isla Mujeres runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | 84 | 86 | 89 | 92 | 94 | 93 | 95 | 95 | 94 | 90 | 87 | 85 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -58 | -56 | -50 | -45 | -35 | -23 | -18 | -22 | -27 | -35 | -47 | -58 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | 84 | 86 | 89 | 92 | 94 | 93 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -58 | -56 | -50 | -45 | -35 | -23 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | 95 | 95 | 94 | 90 | 87 | 85 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -18 | -22 | -27 | -35 | -47 | -58 |
Avg low (°F) Isla Mujeres runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | 68 | 69 | 71 | 73 | 76 | 77 | 77 | 77 | 76 | 75 | 72 | 70 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -74 | -71 | -63 | -54 | -47 | -43 | -38 | -38 | -45 | -53 | -63 | -74 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | 68 | 69 | 71 | 73 | 76 | 77 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -74 | -71 | -63 | -54 | -47 | -43 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | 77 | 77 | 76 | 75 | 72 | 70 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -38 | -38 | -45 | -53 | -63 | -74 |
Precipitation (in) Isla Mujeres runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | 4.1 | 2.3 | 1.5 | 1.7 | 3.4 | 7.3 | 2.6 | 4 | 7.1 | 10.9 | 5.2 | 3.8 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -1.4 | +0.2 | +0.6 | +0.3 | -1.9 | -6.3 | -0.7 | -2 | -5.2 | -9.2 | -3.2 | -1.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | 4.1 | 2.3 | 1.5 | 1.7 | 3.4 | 7.3 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | -1.4 | +0.2 | +0.6 | +0.3 | -1.9 | -6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | 2.6 | 4 | 7.1 | 10.9 | 5.2 | 3.8 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -0.7 | -2 | -5.2 | -9.2 | -3.2 | -1.6 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | 51 | 41 | 38 | 38 | 44 | 55 | 47 | 50 | 55 | 55 | 51 | 49 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +3 | +19 | +22 | +25 | +17 | -9 | +10 | +8 | -10 | -12 | -2 | +5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | 51 | 41 | 38 | 38 | 44 | 55 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | +3 | +19 | +22 | +25 | +17 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | 47 | 50 | 55 | 55 | 51 | 49 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +10 | +8 | -10 | -12 | -2 | +5 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isla Mujeres | 76 | 75 | 72 | 73 | 74 | 81 | 80 | 80 | 82 | 83 | 79 | 78 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +15 | +19 | +17 | +4 | -10 | -30 | -25 | -21 | -25 | -20 | -3 | +11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Isla Mujeres | 76 | 75 | 72 | 73 | 74 | 81 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +15 | +19 | +17 | +4 | -10 | -30 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Isla Mujeres | 80 | 80 | 82 | 83 | 79 | 78 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -25 | -21 | -25 | -20 | -3 | +11 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Isla Mujeres trends → · Crested Butte trends →
Methodology & sources
Isla Mujeres
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.
Crested Butte
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Crested Butte, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
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.
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