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Siem Reap vs Crested Butte
Comparing Siem Reap change · Crested Butte change
Siem Reap is the warmer of the two — about 48°F on the annual average; Siem Reap is the wetter, with 35 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Siem Reap and Crested Butte, in everyday terms.
Summers
Siem Reap has far hotter summers
Siem Reap: Very hot
Crested Butte: Mild
Winters
Siem Reap has far milder winters
Siem Reap: Stays warm
Crested Butte: Bitterly cold
Rain & snow
Siem Reap is much wetter
Siem Reap: Wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is sunnier
Siem Reap: Often cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Siem Reap is the warmer of the two — about 48°F on the annual average.
Precipitation
Siem Reap is the wetter — about 35 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) Siem Reap runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 88 | 92 | 96 | 97 | 95 | 93 | 91 | 90 | 89 | 88 | 88 | 86 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -62 | -62 | -57 | -50 | -36 | -22 | -15 | -17 | -23 | -34 | -49 | -59 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 88 | 92 | 96 | 97 | 95 | 93 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -62 | -62 | -57 | -50 | -36 | -22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 91 | 90 | 89 | 88 | 88 | 86 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -15 | -17 | -23 | -34 | -49 | -59 |
Avg low (°F) Siem Reap runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 65 | 68 | 74 | 77 | 77 | 77 | 76 | 76 | 75 | 73 | 70 | 65 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -71 | -70 | -66 | -57 | -49 | -43 | -37 | -37 | -44 | -51 | -60 | -69 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 65 | 68 | 74 | 77 | 77 | 77 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -71 | -70 | -66 | -57 | -49 | -43 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 76 | 76 | 75 | 73 | 70 | 65 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -37 | -37 | -44 | -51 | -60 | -69 |
Precipitation (in) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 0.3 | 0.4 | 2.2 | 3.2 | 8 | 7.8 | 8.8 | 10 | 11.9 | 4.2 | 1.2 | 0.5 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | +2.5 | +2.1 | -0.1 | -1.2 | -6.4 | -6.9 | -6.8 | -8 | -10 | -2.5 | +0.8 | +1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 0.3 | 0.4 | 2.2 | 3.2 | 8 | 7.8 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | +2.5 | +2.1 | -0.1 | -1.2 | -6.4 | -6.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 8.8 | 10 | 11.9 | 4.2 | 1.2 | 0.5 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -6.8 | -8 | -10 | -2.5 | +0.8 | +1.7 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 36 | 40 | 53 | 66 | 79 | 85 | 87 | 89 | 88 | 69 | 50 | 42 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | +18 | +20 | +7 | -3 | -18 | -39 | -30 | -31 | -42 | -25 | -1 | +12 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 36 | 40 | 53 | 66 | 79 | 85 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | +18 | +20 | +7 | -3 | -18 | -39 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 87 | 89 | 88 | 69 | 50 | 42 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -30 | -31 | -42 | -25 | -1 | +12 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 55 | 49 | 50 | 59 | 74 | 83 | 86 | 88 | 89 | 86 | 79 | 66 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +36 | +45 | +39 | +17 | -10 | -32 | -30 | -29 | -32 | -24 | -3 | +22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 55 | 49 | 50 | 59 | 74 | 83 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +36 | +45 | +39 | +17 | -10 | -32 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 86 | 88 | 89 | 86 | 79 | 66 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -30 | -29 | -32 | -24 | -3 | +22 |
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. Siem Reap trends → · Crested Butte trends →
Methodology & sources
Siem Reap
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Surin, a weather station, about 174 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 Siem Reap · change Crested Butte → · Siem Reap page · Crested Butte page