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Belfast vs Crested Butte
Comparing Belfast change · Crested Butte change
Belfast is the warmer of the two — about 16°F on the annual average; Belfast is the wetter, with 15 in 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 16°F on the annual average.
Precipitation
Belfast is the wetter — about 15 in 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 (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 46 | 48 | 51 | 55 | 60 | 64 | 67 | 66 | 62 | 56 | 51 | 47 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -20 | -18 | -12 | -8 | -1 | +7 | +10 | +8 | +4 | -2 | -11 | -20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 46 | 48 | 51 | 55 | 60 | 64 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -20 | -18 | -12 | -8 | -1 | +7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 67 | 66 | 62 | 56 | 51 | 47 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | +10 | +8 | +4 | -2 | -11 | -20 |
Avg low (°F) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 36 | 36 | 38 | 41 | 45 | 50 | 53 | 53 | 50 | 45 | 41 | 37 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -43 | -38 | -31 | -22 | -17 | -16 | -14 | -14 | -19 | -23 | -31 | -41 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 36 | 36 | 38 | 41 | 45 | 50 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -43 | -38 | -31 | -22 | -17 | -16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 53 | 53 | 50 | 45 | 41 | 37 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -14 | -14 | -19 | -23 | -31 | -41 |
Precipitation (in) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 3.5 | 2.9 | 2.9 | 2.5 | 2.7 | 2.9 | 3 | 3.4 | 2.9 | 3.9 | 4.2 | 3.8 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -0.8 | -0.3 | -0.8 | -0.5 | -1.2 | -2 | -1.1 | -1.5 | -1 | -2.2 | -2.2 | -1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | 3.5 | 2.9 | 2.9 | 2.5 | 2.7 | 2.9 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | -0.8 | -0.3 | -0.8 | -0.5 | -1.2 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | 3 | 3.4 | 2.9 | 3.9 | 4.2 | 3.8 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -1.1 | -1.5 | -1 | -2.2 | -2.2 | -1.5 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Belfast | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| 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.
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