Home › Compare › Reykjavík vs Crested Butte
Reykjavík vs Crested Butte
Comparing Reykjavík change · Crested Butte change
Reykjavík is the warmer of the two — about 6°F on the annual average; Reykjavík is the wetter, with 29 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Reykjavík and Crested Butte, in everyday terms.
Summers
Crested Butte has far hotter summers
Reykjavík: Cool
Crested Butte: Mild
Winters
Reykjavík has far milder winters
Reykjavík: Cold
Crested Butte: Bitterly cold
Rain & snow
Reykjavík is much wetter
Reykjavík: Wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is far sunnier
Reykjavík: Often grey
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Reykjavík is the warmer of the two — about 6°F on the annual average.
Precipitation
Reykjavík is the wetter — about 29 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 | 57 | 56 | 52 | 45 | 40 | 38 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -11 | -8 | — | +3 | +10 | +16 | +19 | +18 | +15 | +10 | -1 | -11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -11 | -8 | — | +3 | +10 | +16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 57 | 56 | 52 | 45 | 40 | 38 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | +19 | +18 | +15 | +10 | -1 | -11 |
Avg low (°F) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 | 47 | 47 | 43 | 37 | 32 | 31 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -35 | -30 | -22 | -14 | -11 | -10 | -8 | -9 | -12 | -15 | -23 | -34 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -35 | -30 | -22 | -14 | -11 | -10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 47 | 47 | 43 | 37 | 32 | 31 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -8 | -9 | -12 | -15 | -23 | -34 |
Precipitation (in) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -2.5 | -2.4 | -2.2 | -1 | -2.1 | -1 | -1.8 | -3.3 | -3.1 | -2.8 | -3.9 | -2.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | -2.5 | -2.4 | -2.2 | -1 | -2.1 | -1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -1.8 | -3.3 | -3.1 | -2.8 | -3.9 | -2.6 |
Snowfall (in) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | +30.8 | +19.6 | +15.9 | +13.4 | +6.5 | +0.3 | — | — | +1 | +7.7 | +17.9 | +22.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | +30.8 | +19.6 | +15.9 | +13.4 | +6.5 | +0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | +1 | +7.7 | +17.9 | +22.6 |
Cloud cover (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -31 | -22 | -22 | -16 | -15 | -33 | -25 | -22 | -33 | -34 | -33 | -31 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -31 | -22 | -22 | -16 | -15 | -33 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -25 | -22 | -33 | -34 | -33 | -31 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +4 | +7 | +3 | -8 | -19 | -32 | -29 | -27 | -29 | -25 | -11 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +4 | +7 | +3 | -8 | -19 | -32 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -29 | -27 | -29 | -25 | -11 | +1 |
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. Reykjavík trends → · Crested Butte trends →
Methodology & sources
Reykjavík
Temperature & precipitation — 1991–2020 normals computed from 11 years of daily observations at Keflavik, a weather station, about 39 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 Reykjavík · change Crested Butte → · Reykjavík page · Crested Butte page