Home › Compare › Mount Isa vs Tusayan
Mount Isa vs Tusayan
Comparing Mount Isa change · Tusayan change
Mount Isa is the warmer of the two — about 16°C on the annual average; Mount Isa is the wetter, with 141 mm more rain a year, and Mount Isa the sunnier.
How the seasons compare
The differences between Mount Isa and Tusayan, in everyday terms.
Summers
Mount Isa has far hotter summers
Mount Isa: Very hot
Tusayan: Warm
Winters
Mount Isa has far milder winters
Mount Isa: Cool
Tusayan: Very cold
Rain & snow
Mount Isa is wetter
Mount Isa: Fairly dry
Tusayan: Fairly dry
Sky
Mount Isa is sunnier
Mount Isa: Fairly sunny
Tusayan: Fairly sunny
Month-by-month charts
Temperature
Mount Isa is the warmer of the two — about 16°C on the annual average.
Precipitation
Mount Isa is the wetter — about 141 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) Varies through 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 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -30 | -28 | -23 | -17 | -7 | +3 | +4 | +1 | -7 | — | -24 | -31 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 37 | 36 | 35 | 33 | 28 | 25 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 |
| Difference | -30 | -28 | -23 | -17 | -7 | +3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 26 | 28 | 32 | — | 37 | 38 |
| Tusayan | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | +4 | +1 | -7 | — | -24 | -31 |
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 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -33 | -32 | -27 | -22 | -13 | -6 | +2 | +1 | -8 | — | -27 | -33 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 23 | 23 | 21 | 18 | 13 | 9 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 |
| Difference | -33 | -32 | -27 | -22 | -13 | -6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 8 | 8 | 13 | — | 21 | 23 |
| Tusayan | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | +2 | +1 | -8 | — | -27 | -33 |
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 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | -93 | -78 | -39 | +6 | +8 | — | +46 | +51 | +24 | +16 | -25 | -57 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 121 | 104 | 65 | 12 | 7 | 9 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 |
| Difference | -93 | -78 | -39 | +6 | +8 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 3 | 2 | 10 | 17 | 43 | 77 |
| Tusayan | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | +46 | +51 | +24 | +16 | -25 | -57 |
Cloud cover (%) Varies through 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 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -13 | -6 | +2 | +12 | +12 | +11 | +35 | +34 | +13 | +2 | -7 | -4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 61 | 55 | 43 | 28 | 25 | 17 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 |
| Difference | -13 | -6 | +2 | +12 | +12 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 15 | 13 | 19 | 30 | 44 | 52 |
| Tusayan | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | +35 | +34 | +13 | +2 | -7 | -4 |
Relative humidity (%) Varies through 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 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | +8 | — | -4 | +1 | -5 | -17 | — | +13 | +14 | +17 | +18 | +19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mount Isa | 53 | 57 | 53 | 40 | 40 | 42 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 |
| Difference | +8 | — | -4 | +1 | -5 | -17 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mount Isa | 37 | 30 | 26 | 26 | 33 | 41 |
| Tusayan | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | — | +13 | +14 | +17 | +18 | +19 |
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 → · Tusayan 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.
Tusayan
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Grand Canyon NP AP, a weather station, about 4 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 Tusayan → · Mount Isa page · Tusayan page