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Lyon vs Crested Butte
Comparing Lyon change · Crested Butte change
Lyon is the warmer of the two — about 11°C on the annual average; Lyon is the wetter, with 262 mm more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Lyon and Crested Butte, in everyday terms.
Summers
Lyon has hotter summers
Lyon: Warm
Crested Butte: Mild
Winters
Lyon has far milder winters
Lyon: Chilly
Crested Butte: Bitterly cold
Rain & snow
Lyon is wetter
Lyon: Moderate rainfall
Crested Butte: Moderate rainfall
Sky
Crested Butte is sunnier
Lyon: Partly cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Lyon is the warmer of the two — about 11°C on the annual average.
Precipitation
Lyon is the wetter — about 262 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) Lyon runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | 7 | 8 | 13 | 17 | 21 | 25 | 27 | 27 | 23 | 17 | 11 | 7 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -10 | -10 | -10 | -9 | -6 | -4 | -3 | -4 | -3 | -5 | -7 | -10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | 7 | 8 | 13 | 17 | 21 | 25 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | -10 | -10 | -10 | -9 | -6 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | 27 | 27 | 23 | 17 | 11 | 7 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -3 | -4 | -3 | -5 | -7 | -10 |
Avg low (°C) Lyon runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | 1 | 1 | 4 | 7 | 11 | 15 | 17 | 16 | 13 | 10 | 5 | 2 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -22 | -20 | -18 | -14 | -13 | -14 | -13 | -13 | -13 | -15 | -17 | -22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | 1 | 1 | 4 | 7 | 11 | 15 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | -22 | -20 | -18 | -14 | -13 | -14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | 17 | 16 | 13 | 10 | 5 | 2 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -13 | -13 | -13 | -15 | -17 | -22 |
Precipitation (mm) Lyon runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | 55 | 47 | 54 | 72 | 83 | 71 | 67 | 71 | 87 | 101 | 92 | 63 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | +14 | +18 | -1 | -21 | -44 | -47 | -17 | -21 | -38 | -58 | -42 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | 55 | 47 | 54 | 72 | 83 | 71 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | +14 | +18 | -1 | -21 | -44 | -47 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | 67 | 71 | 87 | 101 | 92 | 63 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -17 | -21 | -38 | -58 | -42 | -6 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Lyon runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | 66 | 64 | 62 | 63 | 66 | 58 | 50 | 51 | 55 | 65 | 70 | 68 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -12 | -4 | -2 | — | -5 | -12 | +7 | +7 | -10 | -22 | -21 | -14 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | 66 | 64 | 62 | 63 | 66 | 58 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -12 | -4 | -2 | — | -5 | -12 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | 50 | 51 | 55 | 65 | 70 | 68 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +7 | +7 | -10 | -22 | -21 | -14 |
Relative humidity (%) Lyon runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lyon | 90 | 86 | 81 | 77 | 76 | 72 | 66 | 65 | 72 | 81 | 88 | 90 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +1 | +8 | +8 | -1 | -11 | -20 | -11 | -6 | -15 | -19 | -12 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lyon | 90 | 86 | 81 | 77 | 76 | 72 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +1 | +8 | +8 | -1 | -11 | -20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lyon | 66 | 65 | 72 | 81 | 88 | 90 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -11 | -6 | -15 | -19 | -12 | -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. Lyon trends → · Crested Butte trends →
Methodology & sources
Lyon
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Lyon - ST Exupery, a weather station, about 18 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 Lyon · change Crested Butte → · Lyon page · Crested Butte page