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Belfast vs Crested Butte
Comparing Belfast change · Crested Butte change
Belfast is the warmer of the two — about 9°C on the annual average; Belfast is the wetter, with 380 mm more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Belfast and Crested Butte, in everyday terms.
Summers
Crested Butte has much hotter summers
Belfast: Mild
Crested Butte: Mild
Winters
Belfast has far milder winters
Belfast: Chilly
Crested Butte: Bitterly cold
Rain & snow
Belfast is wetter
Belfast: Moderate rainfall
Crested Butte: Moderate rainfall
Sky
Crested Butte is far sunnier
Belfast: Often grey
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Belfast is the warmer of the two — about 9°C on the annual average.
Precipitation
Belfast is the wetter — about 380 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) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 8 | 9 | 10 | 13 | 15 | 18 | 19 | 19 | 17 | 14 | 10 | 8 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -11 | -10 | -7 | -5 | -1 | +4 | +5 | +4 | +2 | -1 | -6 | -11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 8 | 9 | 10 | 13 | 15 | 18 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | -11 | -10 | -7 | -5 | -1 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 19 | 19 | 17 | 14 | 10 | 8 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | +5 | +4 | +2 | -1 | -6 | -11 |
Avg low (°C) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 2 | 2 | 3 | 5 | 7 | 10 | 12 | 12 | 10 | 7 | 5 | 3 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -24 | -21 | -17 | -12 | -9 | -9 | -8 | -8 | -10 | -13 | -17 | -23 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 2 | 2 | 3 | 5 | 7 | 10 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | -24 | -21 | -17 | -12 | -9 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 12 | 12 | 10 | 7 | 5 | 3 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -8 | -8 | -10 | -13 | -17 | -23 |
Precipitation (mm) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 89 | 73 | 73 | 64 | 68 | 74 | 77 | 88 | 75 | 98 | 106 | 95 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -20 | -8 | -20 | -13 | -29 | -50 | -27 | -37 | -26 | -55 | -55 | -38 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 89 | 73 | 73 | 64 | 68 | 74 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | -20 | -8 | -20 | -13 | -29 | -50 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 77 | 88 | 75 | 98 | 106 | 95 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -27 | -37 | -26 | -55 | -55 | -38 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 79 | 79 | 78 | 76 | 73 | 77 | 78 | 77 | 76 | 78 | 79 | 78 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -24 | -19 | -19 | -13 | -12 | -31 | -21 | -19 | -30 | -35 | -30 | -25 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 79 | 79 | 78 | 76 | 73 | 77 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -24 | -19 | -19 | -13 | -12 | -31 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 78 | 77 | 76 | 78 | 79 | 78 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -21 | -19 | -30 | -35 | -30 | -25 |
Relative humidity (%) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 90 | 90 | 89 | 86 | 85 | 85 | 86 | 87 | 88 | 88 | 90 | 91 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +1 | +4 | +1 | -10 | -20 | -34 | -31 | -28 | -31 | -26 | -13 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 90 | 90 | 89 | 86 | 85 | 85 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +1 | +4 | +1 | -10 | -20 | -34 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 86 | 87 | 88 | 88 | 90 | 91 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -31 | -28 | -31 | -26 | -13 | -2 |
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. Belfast trends → · Crested Butte trends →
Methodology & sources
Belfast
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Stormont Castle, a weather station, about 6 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 Belfast · change Crested Butte → · Belfast page · Crested Butte page