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Mount Isa vs Crested Butte
Comparing Mount Isa change · Crested Butte change
Mount Isa is the warmer of the two — about 23°C on the annual average; Crested Butte is the wetter, with 132 mm more rain a year, and Mount Isa the sunnier.
How the seasons compare
The differences between Mount Isa and Crested Butte, in everyday terms.
Summers
Mount Isa has far hotter summers
Mount Isa: Very hot
Crested Butte: Mild
Winters
Mount Isa has far milder winters
Mount Isa: Cool
Crested Butte: Bitterly cold
Rain & snow
Crested Butte is wetter
Mount Isa: Fairly dry
Crested Butte: Moderate rainfall
Sky
Mount Isa is sunnier
Mount Isa: Fairly sunny
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Mount Isa is the warmer of the two — about 23°C on the annual average.
Precipitation
Crested Butte is the wetter — about 132 mm more across the year.
Clear skies
Mount Isa 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 (°C) Mount Isa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | 37 | 36 | 35 | 33 | 28 | 25 | 26 | 28 | 32 | — | 37 | 38 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -40 | -37 | -32 | -25 | -14 | -4 | -1 | -5 | -13 | — | -33 | -41 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 37 | 36 | 35 | 33 | 28 | 25 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | -40 | -37 | -32 | -25 | -14 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 26 | 28 | 32 | — | 37 | 38 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -1 | -5 | -13 | — | -33 | -41 |
Avg low (°C) Mount Isa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | 23 | 23 | 21 | 18 | 13 | 9 | 8 | 8 | 13 | — | 21 | 23 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -44 | -42 | -35 | -25 | -15 | -8 | -3 | -5 | -13 | — | -33 | -42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 23 | 23 | 21 | 18 | 13 | 9 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | -44 | -42 | -35 | -25 | -15 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 8 | 8 | 13 | — | 21 | 23 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -3 | -5 | -13 | — | -33 | -42 |
Precipitation (mm) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | 121 | 104 | 65 | 12 | 7 | 9 | 3 | 2 | 10 | 17 | 43 | 77 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -52 | -39 | -11 | +39 | +32 | +15 | +47 | +48 | +39 | +26 | +8 | -20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 121 | 104 | 65 | 12 | 7 | 9 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | -52 | -39 | -11 | +39 | +32 | +15 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 3 | 2 | 10 | 17 | 43 | 77 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | +47 | +48 | +39 | +26 | +8 | -20 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | 61 | 55 | 43 | 28 | 25 | 17 | 15 | 13 | 19 | 30 | 44 | 52 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -6 | +5 | +17 | +34 | +36 | +29 | +42 | +45 | +26 | +14 | +4 | +2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 61 | 55 | 43 | 28 | 25 | 17 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -6 | +5 | +17 | +34 | +36 | +29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 15 | 13 | 19 | 30 | 44 | 52 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +42 | +45 | +26 | +14 | +4 | +2 |
Relative humidity (%) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mount Isa | 53 | 57 | 53 | 40 | 40 | 42 | 37 | 30 | 26 | 26 | 33 | 41 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +38 | +37 | +37 | +36 | +25 | +10 | +19 | +29 | +31 | +37 | +44 | +47 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 53 | 57 | 53 | 40 | 40 | 42 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +38 | +37 | +37 | +36 | +25 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 37 | 30 | 26 | 26 | 33 | 41 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +19 | +29 | +31 | +37 | +44 | +47 |
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. Mount Isa trends → · Crested Butte trends →
Methodology & sources
Mount Isa
Temperature & precipitation — 1991–2020 normals computed from 17 years of daily observations at Mount Isa Mine, a weather station, about 2 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.
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.
← change Mount Isa · change Crested Butte → · Mount Isa page · Crested Butte page