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St. Moritz vs Tusayan
Comparing St. Moritz change · Tusayan change
Tusayan is the warmer of the two — about 10°F on the annual average; St. Moritz is the wetter, with 15 in more rain a year, and Tusayan the sunnier.
How the seasons compare
The differences between St. Moritz and Tusayan, in everyday terms.
Summers
Tusayan has far hotter summers
St. Moritz: Mild
Tusayan: Warm
Winters
Tusayan has much milder winters
St. Moritz: Bitterly cold
Tusayan: Very cold
Rain & snow
St. Moritz is wetter
St. Moritz: Moderate rainfall
Tusayan: Fairly dry
Sky
Tusayan is far sunnier
St. Moritz: Often cloudy
Tusayan: Fairly sunny
Month-by-month charts
Temperature
Tusayan is the warmer of the two — about 10°F on the annual average.
Precipitation
St. Moritz is the wetter — about 15 in more across the year.
Clear skies
Tusayan 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) Tusayan runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Moritz | 30 | 33 | 39 | 46 | 55 | 63 | 67 | 66 | 58 | 51 | 39 | 31 |
| Tusayan | 45 | 47 | 55 | 61 | 71 | 83 | 86 | 83 | 77 | 66 | 54 | 44 |
| Difference | +15 | +14 | +16 | +15 | +16 | +21 | +19 | +17 | +19 | +15 | +15 | +14 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| St. Moritz | 30 | 33 | 39 | 46 | 55 | 63 |
| Tusayan | 45 | 47 | 55 | 61 | 71 | 83 |
| Difference | +15 | +14 | +16 | +15 | +16 | +21 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| St. Moritz | 67 | 66 | 58 | 51 | 39 | 31 |
| Tusayan | 86 | 83 | 77 | 66 | 54 | 44 |
| Difference | +19 | +17 | +19 | +15 | +15 | +14 |
Avg low (°F) Tusayan runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Moritz | 4 | 4 | 15 | 24 | 32 | 38 | 40 | 40 | 34 | 27 | 18 | 8 |
| Tusayan | 14 | 16 | 21 | 25 | 31 | 38 | 49 | 48 | 40 | 29 | 20 | 13 |
| Difference | +11 | +12 | +6 | +1 | -1 | — | +8 | +8 | +6 | +1 | +2 | +5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| St. Moritz | 4 | 4 | 15 | 24 | 32 | 38 |
| Tusayan | 14 | 16 | 21 | 25 | 31 | 38 |
| Difference | +11 | +12 | +6 | +1 | -1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| St. Moritz | 40 | 40 | 34 | 27 | 18 | 8 |
| Tusayan | 49 | 48 | 40 | 29 | 20 | 13 |
| Difference | +8 | +8 | +6 | +1 | +2 | +5 |
Precipitation (in) St. Moritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Moritz | 1.2 | 0.7 | 0.9 | 1.5 | 2.6 | 3.6 | 3.4 | 4 | 2.9 | 3 | 2.7 | 1.4 |
| Tusayan | 1.1 | 1 | 1 | 0.7 | 0.6 | 0.4 | 1.9 | 2.1 | 1.3 | 1.3 | 0.7 | 0.8 |
| Difference | -0.1 | +0.3 | +0.1 | -0.7 | -2 | -3.2 | -1.5 | -1.9 | -1.5 | -1.7 | -2 | -0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| St. Moritz | 1.2 | 0.7 | 0.9 | 1.5 | 2.6 | 3.6 |
| Tusayan | 1.1 | 1 | 1 | 0.7 | 0.6 | 0.4 |
| Difference | -0.1 | +0.3 | +0.1 | -0.7 | -2 | -3.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| St. Moritz | 3.4 | 4 | 2.9 | 3 | 2.7 | 1.4 |
| Tusayan | 1.9 | 2.1 | 1.3 | 1.3 | 0.7 | 0.8 |
| Difference | -1.5 | -1.9 | -1.5 | -1.7 | -2 | -0.7 |
Cloud cover (%) St. Moritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Moritz | 68 | 70 | 72 | 75 | 75 | 69 | 62 | 61 | 63 | 65 | 70 | 70 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -19 | -21 | -27 | -34 | -38 | -42 | -12 | -15 | -31 | -34 | -34 | -22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| St. Moritz | 68 | 70 | 72 | 75 | 75 | 69 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 |
| Difference | -19 | -21 | -27 | -34 | -38 | -42 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| St. Moritz | 62 | 61 | 63 | 65 | 70 | 70 |
| Tusayan | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -12 | -15 | -31 | -34 | -34 | -22 |
Relative humidity (%) St. Moritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Moritz | 86 | 88 | 90 | 84 | 79 | 77 | 77 | 78 | 81 | 83 | 88 | 87 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -25 | -31 | -41 | -44 | -44 | -52 | -40 | -35 | -41 | -41 | -37 | -27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| St. Moritz | 86 | 88 | 90 | 84 | 79 | 77 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 |
| Difference | -25 | -31 | -41 | -44 | -44 | -52 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| St. Moritz | 77 | 78 | 81 | 83 | 88 | 87 |
| Tusayan | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -40 | -35 | -41 | -41 | -37 | -27 |
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. St. Moritz trends → · Tusayan trends →
Methodology & sources
St. Moritz
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Samedan, about 4 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.
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 St. Moritz · change Tusayan → · St. Moritz page · Tusayan page