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Crested Butte vs Portland
Comparing Crested Butte change · Portland change
Portland is the warmer of the two — about 21°F on the annual average; Portland is the wetter, with 13 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Crested Butte and Portland, in everyday terms.
Summers
Portland has hotter summers
Crested Butte: Mild
Portland: Warm
Winters
Portland has far milder winters
Crested Butte: Bitterly cold
Portland: Chilly
Rain & snow
Portland is wetter
Crested Butte: Moderate rainfall
Portland: Moderate rainfall
Sky
Crested Butte is sunnier
Crested Butte: Partly cloudy
Portland: Often cloudy
Month-by-month charts
Temperature
Portland is the warmer of the two — about 21°F on the annual average.
Precipitation
Portland is the wetter — about 13 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) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Portland | 48 | 52 | 57 | 62 | 69 | 74 | 82 | 82 | 77 | 64 | 54 | 47 |
| Difference | +21 | +22 | +18 | +15 | +11 | +4 | +6 | +9 | +10 | +10 | +14 | +20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Portland | 48 | 52 | 57 | 62 | 69 | 74 |
| Difference | +21 | +22 | +18 | +15 | +11 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Portland | 82 | 82 | 77 | 64 | 54 | 47 |
| Difference | +6 | +9 | +10 | +10 | +14 | +20 |
Avg low (°F) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Portland | 36 | 37 | 40 | 44 | 49 | 54 | 59 | 59 | 54 | 47 | 41 | 36 |
| Difference | +42 | +39 | +32 | +24 | +21 | +20 | +19 | +20 | +23 | +25 | +31 | +40 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Portland | 36 | 37 | 40 | 44 | 49 | 54 |
| Difference | +42 | +39 | +32 | +24 | +21 | +20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Portland | 59 | 59 | 54 | 47 | 41 | 36 |
| Difference | +19 | +20 | +23 | +25 | +31 | +40 |
Precipitation (in) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Portland | 5 | 3.7 | 4 | 2.9 | 2.5 | 1.6 | 0.5 | 0.5 | 1.5 | 3.4 | 5.5 | 5.8 |
| Difference | +2.3 | +1.1 | +1.9 | +0.9 | +1 | +0.7 | -1.5 | -1.4 | -0.4 | +1.7 | +3.5 | +3.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Portland | 5 | 3.7 | 4 | 2.9 | 2.5 | 1.6 |
| Difference | +2.3 | +1.1 | +1.9 | +0.9 | +1 | +0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Portland | 0.5 | 0.5 | 1.5 | 3.4 | 5.5 | 5.8 |
| Difference | -1.5 | -1.4 | -0.4 | +1.7 | +3.5 | +3.5 |
Snowfall (in) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Portland | 1.7 | 1.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.2 |
| Difference | -40 | -34.1 | -27.2 | -18 | -6.9 | -0.3 | — | — | -1 | -8.1 | -26.1 | -33.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Portland | 1.7 | 1.2 | 0.1 | 0 | 0 | 0 |
| Difference | -40 | -34.1 | -27.2 | -18 | -6.9 | -0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Portland | 0 | 0 | 0 | 0 | 0 | 1.2 |
| Difference | — | — | -1 | -8.1 | -26.1 | -33.4 |
Cloud cover (%) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Portland | 76 | 74 | 76 | 75 | 70 | 64 | 43 | 43 | 49 | 63 | 75 | 78 |
| Difference | +21 | +14 | +16 | +12 | +9 | +18 | -13 | -14 | +3 | +19 | +27 | +24 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Portland | 76 | 74 | 76 | 75 | 70 | 64 |
| Difference | +21 | +14 | +16 | +12 | +9 | +18 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Portland | 43 | 43 | 49 | 63 | 75 | 78 |
| Difference | -13 | -14 | +3 | +19 | +27 | +24 |
Relative humidity (%) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Portland | 92 | 89 | 87 | 84 | 82 | 80 | 72 | 66 | 68 | 79 | 89 | 92 |
| Difference | +1 | -5 | -3 | +8 | +18 | +29 | +16 | +7 | +11 | +17 | +13 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Portland | 92 | 89 | 87 | 84 | 82 | 80 |
| Difference | +1 | -5 | -3 | +8 | +18 | +29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Portland | 72 | 66 | 68 | 79 | 89 | 92 |
| Difference | +16 | +7 | +11 | +17 | +13 | +4 |
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. Crested Butte trends → · Portland trends →
Methodology & sources
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.
Portland
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Portland Intl AP (NOAA GHCN station USW00024229), about 10 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.
← change Crested Butte · change Portland → · Crested Butte page · Portland page