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Siem Reap vs Tusayan
Comparing Siem Reap change · Tusayan change
Siem Reap is the warmer of the two — about 20°C on the annual average; Siem Reap is the wetter, with 1155 mm more rain a year, and Tusayan the sunnier.
How the seasons compare
The differences between Siem Reap and Tusayan, in everyday terms.
Summers
Siem Reap has much hotter summers
Siem Reap: Very hot
Tusayan: Warm
Winters
Siem Reap has far milder winters
Siem Reap: Stays warm
Tusayan: Very cold
Rain & snow
Siem Reap is much wetter
Siem Reap: Wet
Tusayan: Fairly dry
Sky
Tusayan is far sunnier
Siem Reap: Often cloudy
Tusayan: Fairly sunny
Month-by-month charts
Temperature
Siem Reap is the warmer of the two — about 20°C on the annual average.
Precipitation
Siem Reap is the wetter — about 1155 mm more across the year.
Clear skies
Tusayan 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) Siem Reap runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 31 | 33 | 35 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 31 | 30 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -24 | -25 | -23 | -20 | -13 | -5 | -3 | -4 | -7 | -13 | -19 | -23 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 31 | 33 | 35 | 36 | 35 | 34 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 |
| Difference | -24 | -25 | -23 | -20 | -13 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 33 | 32 | 32 | 31 | 31 | 30 |
| Tusayan | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -3 | -4 | -7 | -13 | -19 | -23 |
Avg low (°C) Siem Reap runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 18 | 20 | 23 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 21 | 18 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -28 | -29 | -29 | -29 | -26 | -22 | -15 | -15 | -20 | -25 | -28 | -29 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 18 | 20 | 23 | 25 | 25 | 25 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 |
| Difference | -28 | -29 | -29 | -29 | -26 | -22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 25 | 24 | 24 | 23 | 21 | 18 |
| Tusayan | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -15 | -15 | -20 | -25 | -28 | -29 |
Precipitation (mm) Siem Reap runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siem Reap | 7 | 11 | 56 | 81 | 202 | 199 | 223 | 254 | 302 | 106 | 30 | 13 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | +20 | +15 | -30 | -63 | -187 | -190 | -174 | -201 | -268 | -73 | -12 | +7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 7 | 11 | 56 | 81 | 202 | 199 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 |
| Difference | +20 | +15 | -30 | -63 | -187 | -190 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 223 | 254 | 302 | 106 | 30 | 13 |
| Tusayan | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | -174 | -201 | -268 | -73 | -12 | +7 |
Cloud cover (%) Siem Reap runs higher most of 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 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | +12 | +9 | -7 | -25 | -42 | -58 | -37 | -43 | -55 | -37 | -13 | +6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 36 | 40 | 53 | 66 | 79 | 85 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 |
| Difference | +12 | +9 | -7 | -25 | -42 | -58 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 87 | 89 | 88 | 69 | 50 | 42 |
| Tusayan | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -37 | -43 | -55 | -37 | -13 | +6 |
Relative humidity (%) Siem Reap runs higher most of 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 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | +6 | +8 | -1 | -18 | -39 | -58 | -49 | -45 | -48 | -44 | -29 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Siem Reap | 55 | 49 | 50 | 59 | 74 | 83 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 |
| Difference | +6 | +8 | -1 | -18 | -39 | -58 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Siem Reap | 86 | 88 | 89 | 86 | 79 | 66 |
| Tusayan | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -49 | -45 | -48 | -44 | -29 | -6 |
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 → · Tusayan 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.
Tusayan
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Grand Canyon NP AP, a weather station, about 4 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 Tusayan → · Siem Reap page · Tusayan page