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Crested Butte vs Portland
Comparing Crested Butte change · Portland change
Portland is the warmer of the two — about 12°C on the annual average; Portland is the wetter, with 336 mm 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 12°C on the annual average.
Precipitation
Portland is the wetter — about 336 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) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Portland | 9 | 11 | 14 | 17 | 21 | 24 | 28 | 28 | 25 | 18 | 12 | 8 |
| Difference | +12 | +12 | +10 | +9 | +6 | +2 | +3 | +5 | +6 | +5 | +8 | +11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Portland | 9 | 11 | 14 | 17 | 21 | 24 |
| Difference | +12 | +12 | +10 | +9 | +6 | +2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Portland | 28 | 28 | 25 | 18 | 12 | 8 |
| Difference | +3 | +5 | +6 | +5 | +8 | +11 |
Avg low (°C) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Portland | 2 | 3 | 4 | 7 | 10 | 12 | 15 | 15 | 12 | 8 | 5 | 2 |
| Difference | +23 | +21 | +18 | +14 | +12 | +11 | +11 | +11 | +13 | +14 | +17 | +22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Portland | 2 | 3 | 4 | 7 | 10 | 12 |
| Difference | +23 | +21 | +18 | +14 | +12 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Portland | 15 | 15 | 12 | 8 | 5 | 2 |
| Difference | +11 | +11 | +13 | +14 | +17 | +22 |
Precipitation (mm) Portland runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Portland | 128 | 93 | 101 | 73 | 64 | 41 | 13 | 14 | 39 | 87 | 138 | 147 |
| Difference | +58 | +29 | +47 | +22 | +25 | +17 | -37 | -36 | -10 | +44 | +88 | +89 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Portland | 128 | 93 | 101 | 73 | 64 | 41 |
| Difference | +58 | +29 | +47 | +22 | +25 | +17 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Portland | 13 | 14 | 39 | 87 | 138 | 147 |
| Difference | -37 | -36 | -10 | +44 | +88 | +89 |
Snowfall (cm) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Portland | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Difference | -101 | -87 | -69 | -46 | -17 | -1 | — | — | -3 | -20 | -66 | -85 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Portland | 4 | 3 | 0 | 0 | 0 | 0 |
| Difference | -101 | -87 | -69 | -46 | -17 | -1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Portland | 0 | 0 | 0 | 0 | 0 | 3 |
| Difference | — | — | -3 | -20 | -66 | -85 |
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