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Ulan Bator vs Crested Butte
Comparing Ulan Bator change · Crested Butte change
Crested Butte is the warmer of the two — about 2°C on the annual average; Crested Butte is the wetter, with 402 mm more rain a year.
How the seasons compare
The differences between Ulan Bator and Crested Butte, in everyday terms.
Summers
Summers are nearly the same
Ulan Bator: Mild
Crested Butte: Mild
Winters
Crested Butte has much milder winters
Ulan Bator: Bitterly cold
Crested Butte: Bitterly cold
Rain & snow
Crested Butte is much wetter
Ulan Bator: Very dry
Crested Butte: Moderate rainfall
Sky
Similar amounts of sun
Ulan Bator: Partly cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Crested Butte is the warmer of the two — about 2°C on the annual average.
Precipitation
Crested Butte is the wetter — about 402 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) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | -16 | -10 | 0 | 10 | 17 | 23 | 25 | 23 | 17 | 8 | -5 | -14 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | +12 | +8 | +3 | -2 | -3 | -2 | -1 | — | +2 | +5 | +9 | +11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | -16 | -10 | 0 | 10 | 17 | 23 |
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| Difference | +12 | +8 | +3 | -2 | -3 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | 25 | 23 | 17 | 8 | -5 | -14 |
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| Difference | -1 | — | +2 | +5 | +9 | +11 |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | -30 | -27 | -16 | -6 | 1 | 8 | 12 | 9 | 1 | -8 | -20 | -28 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | +9 | +8 | +2 | -1 | -3 | -8 | -7 | -5 | -1 | +2 | +7 | +8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | -30 | -27 | -16 | -6 | 1 | 8 |
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| Difference | +9 | +8 | +2 | -1 | -3 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | 12 | 9 | 1 | -8 | -20 | -28 |
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| Difference | -7 | -5 | -1 | +2 | +7 | +8 |
Precipitation (mm) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | 2 | 2 | 5 | 9 | 18 | 35 | 54 | 41 | 17 | 7 | 6 | 3 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | +67 | +63 | +48 | +42 | +20 | -11 | -4 | +9 | +32 | +37 | +45 | +54 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | 2 | 2 | 5 | 9 | 18 | 35 |
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| Difference | +67 | +63 | +48 | +42 | +20 | -11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | 54 | 41 | 17 | 7 | 6 | 3 |
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| Difference | -4 | +9 | +32 | +37 | +45 | +54 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | — | — | — | — | — | — |
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | — | — | — | — | — | — |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | 41 | 46 | 52 | 57 | 60 | 66 | 66 | 60 | 52 | 49 | 50 | 50 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +13 | +14 | +8 | +6 | +1 | -20 | -10 | -2 | -7 | -5 | -1 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | 41 | 46 | 52 | 57 | 60 | 66 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | +13 | +14 | +8 | +6 | +1 | -20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | 66 | 60 | 52 | 49 | 50 | 50 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -10 | -2 | -7 | -5 | -1 | +4 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ulan Bator | 90 | 85 | 69 | 53 | 50 | 53 | 59 | 63 | 61 | 66 | 80 | 89 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +1 | +9 | +20 | +23 | +15 | -1 | -4 | -4 | -4 | -3 | -4 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ulan Bator | 90 | 85 | 69 | 53 | 50 | 53 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +1 | +9 | +20 | +23 | +15 | -1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ulan Bator | 59 | 63 | 61 | 66 | 80 | 89 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -4 | -4 | -4 | -3 | -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. Ulan Bator trends → · Crested Butte trends →
Methodology & sources
Ulan Bator
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Chinggis Khaan Intl / Buyant Ukhaa Intl, a weather station, about 11 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 Ulan Bator · change Crested Butte → · Ulan Bator page · Crested Butte page