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Porto vs Crested Butte
Comparing Porto change · Crested Butte change
Porto is the warmer of the two — about 14°C on the annual average; Porto is the wetter, with 507 mm more rain a year.
How the seasons compare
The differences between Porto and Crested Butte, in everyday terms.
Summers
Summers are nearly the same
Porto: Mild
Crested Butte: Mild
Winters
Porto has far milder winters
Porto: Cool
Crested Butte: Bitterly cold
Rain & snow
Porto is wetter
Porto: Wet
Crested Butte: Moderate rainfall
Sky
Similar amounts of sun
Porto: Partly cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Porto is the warmer of the two — about 14°C on the annual average.
Precipitation
Porto is the wetter — about 507 mm more across the year.
Clear skies
The two cities see a similar amount of sun.
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) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 14 | 15 | 17 | 18 | 20 | 23 | 24 | 25 | 24 | 21 | 17 | 15 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -17 | -16 | -14 | -10 | -6 | -1 | — | -2 | -4 | -8 | -13 | -18 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 14 | 15 | 17 | 18 | 20 | 23 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | -17 | -16 | -14 | -10 | -6 | -1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 24 | 25 | 24 | 21 | 17 | 15 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | — | -2 | -4 | -8 | -13 | -18 |
Avg low (°C) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 6 | 6 | 8 | 9 | 12 | 14 | 15 | 15 | 14 | 12 | 9 | 7 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -27 | -25 | -22 | -16 | -14 | -13 | -11 | -11 | -14 | -18 | -22 | -27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 6 | 6 | 8 | 9 | 12 | 14 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | -27 | -25 | -22 | -16 | -14 | -13 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 15 | 15 | 14 | 12 | 9 | 7 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -11 | -11 | -14 | -18 | -22 | -27 |
Precipitation (mm) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 147 | 88 | 104 | 99 | 87 | 32 | 13 | 27 | 66 | 138 | 160 | 147 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -78 | -23 | -50 | -48 | -49 | -8 | +37 | +23 | -17 | -95 | -109 | -90 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 147 | 88 | 104 | 99 | 87 | 32 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | -78 | -23 | -50 | -48 | -49 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 13 | 27 | 66 | 138 | 160 | 147 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | +37 | +23 | -17 | -95 | -109 | -90 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 58 | 53 | 54 | 56 | 53 | 45 | 35 | 36 | 43 | 53 | 56 | 59 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -4 | +7 | +6 | +6 | +8 | +1 | +21 | +22 | +3 | -10 | -8 | -5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 58 | 53 | 54 | 56 | 53 | 45 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -4 | +7 | +6 | +6 | +8 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 35 | 36 | 43 | 53 | 56 | 59 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +21 | +22 | +3 | -10 | -8 | -5 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 85 | 83 | 81 | 80 | 78 | 75 | 73 | 72 | 74 | 79 | 83 | 85 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +6 | +11 | +9 | -4 | -14 | -24 | -17 | -13 | -17 | -16 | -7 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 85 | 83 | 81 | 80 | 78 | 75 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +6 | +11 | +9 | -4 | -14 | -24 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 73 | 72 | 74 | 79 | 83 | 85 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -17 | -13 | -17 | -16 | -7 | +3 |
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. Porto trends → · Crested Butte trends →
Methodology & sources
Porto
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Porto, a weather station, about 13 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 Porto · change Crested Butte → · Porto page · Crested Butte page