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Tromsø vs Crested Butte
Comparing Tromsø change · Crested Butte change
Tromsø is the warmer of the two — about 2°C on the annual average; Tromsø is the wetter, with 488 mm more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Tromsø and Crested Butte, in everyday terms.
Summers
Crested Butte has far hotter summers
Tromsø: Cool
Crested Butte: Mild
Winters
Tromsø has far milder winters
Tromsø: Cold
Crested Butte: Bitterly cold
Rain & snow
Tromsø is wetter
Tromsø: Wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is far sunnier
Tromsø: Often grey
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Tromsø is the warmer of the two — about 2°C on the annual average.
Precipitation
Tromsø is the wetter — about 488 mm more across the year.
Clear skies
Crested Butte 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) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | -1 | -1 | 1 | 4 | 9 | 13 | 16 | 15 | 11 | 5 | 2 | 0 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -2 | — | +3 | +4 | +6 | +8 | +8 | +8 | +8 | +7 | +2 | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | -1 | -1 | 1 | 4 | 9 | 13 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | -2 | — | +3 | +4 | +6 | +8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | 16 | 15 | 11 | 5 | 2 | 0 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | +8 | +8 | +8 | +7 | +2 | -3 |
Avg low (°C) Tromsø runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | -5 | -6 | -4 | -2 | 2 | 6 | 9 | 8 | 5 | 1 | -2 | -4 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -16 | -13 | -9 | -5 | -5 | -5 | -5 | -5 | -6 | -6 | -11 | -16 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | -5 | -6 | -4 | -2 | 2 | 6 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | -16 | -13 | -9 | -5 | -5 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | 9 | 8 | 5 | 1 | -2 | -4 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -5 | -5 | -6 | -6 | -11 | -16 |
Precipitation (mm) Tromsø runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | 109 | 94 | 98 | 70 | 56 | 57 | 74 | 89 | 111 | 129 | 93 | 110 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -39 | -30 | -44 | -19 | -17 | -33 | -24 | -39 | -61 | -85 | -42 | -53 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | 109 | 94 | 98 | 70 | 56 | 57 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | -39 | -30 | -44 | -19 | -17 | -33 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | 74 | 89 | 111 | 129 | 93 | 110 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -24 | -39 | -61 | -85 | -42 | -53 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Tromsø runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | 83 | 81 | 80 | 77 | 76 | 79 | 79 | 79 | 79 | 80 | 81 | 85 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -29 | -21 | -21 | -14 | -15 | -33 | -22 | -21 | -33 | -36 | -32 | -31 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | 83 | 81 | 80 | 77 | 76 | 79 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -29 | -21 | -21 | -14 | -15 | -33 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | 79 | 79 | 79 | 80 | 81 | 85 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -22 | -21 | -33 | -36 | -32 | -31 |
Relative humidity (%) Tromsø runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tromsø | 95 | 95 | 94 | 92 | 86 | 80 | 82 | 85 | 90 | 95 | 96 | 96 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -4 | -1 | -4 | -15 | -21 | -29 | -26 | -26 | -33 | -32 | -19 | -7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tromsø | 95 | 95 | 94 | 92 | 86 | 80 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | -4 | -1 | -4 | -15 | -21 | -29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tromsø | 82 | 85 | 90 | 95 | 96 | 96 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -26 | -26 | -33 | -32 | -19 | -7 |
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. Tromsø trends → · Crested Butte trends →
Methodology & sources
Tromsø
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Tromso, 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.
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 Tromsø · change Crested Butte → · Tromsø page · Crested Butte page