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Vientiane vs Tusayan
Comparing Vientiane change · Tusayan change
Vientiane is the warmer of the two — about 19°C on the annual average; Vientiane is the wetter, with 792 mm more rain a year, and Tusayan the sunnier.
How the seasons compare
The differences between Vientiane and Tusayan, in everyday terms.
Summers
Vientiane has much hotter summers
Vientiane: Hot
Tusayan: Warm
Winters
Vientiane has far milder winters
Vientiane: Stays warm
Tusayan: Very cold
Rain & snow
Vientiane is much wetter
Vientiane: Wet
Tusayan: Fairly dry
Sky
Tusayan is sunnier
Vientiane: Partly cloudy
Tusayan: Fairly sunny
Month-by-month charts
Temperature
Vientiane is the warmer of the two — about 19°C on the annual average.
Precipitation
Vientiane is the wetter — about 792 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) Vientiane runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane | 29 | 31 | 33 | 35 | 34 | 33 | 32 | 31 | 32 | 32 | 31 | 29 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -22 | -23 | -21 | -18 | -12 | -4 | -2 | -3 | -7 | -13 | -18 | -22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vientiane | 29 | 31 | 33 | 35 | 34 | 33 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 |
| Difference | -22 | -23 | -21 | -18 | -12 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vientiane | 32 | 31 | 32 | 32 | 31 | 29 |
| Tusayan | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -2 | -3 | -7 | -13 | -18 | -22 |
Avg low (°C) Vientiane runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane | 18 | 19 | 22 | 24 | 25 | 25 | 25 | 25 | 24 | 23 | 21 | 18 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -27 | -28 | -28 | -28 | -25 | -22 | -16 | -16 | -20 | -25 | -27 | -28 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vientiane | 18 | 19 | 22 | 24 | 25 | 25 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 |
| Difference | -27 | -28 | -28 | -28 | -25 | -22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vientiane | 25 | 25 | 24 | 23 | 21 | 18 |
| Tusayan | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -16 | -16 | -20 | -25 | -27 | -28 |
Precipitation (mm) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane | 6 | 16 | 26 | 50 | 133 | 180 | 203 | 241 | 187 | 59 | 16 | 2 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | +21 | +10 | — | -32 | -118 | -171 | -154 | -188 | -153 | -26 | +2 | +18 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vientiane | 6 | 16 | 26 | 50 | 133 | 180 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 |
| Difference | +21 | +10 | — | -32 | -118 | -171 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vientiane | 203 | 241 | 187 | 59 | 16 | 2 |
| Tusayan | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | -154 | -188 | -153 | -26 | +2 | +18 |
Cloud cover (%) Vientiane runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane | 30 | 33 | 46 | 59 | 79 | 89 | 91 | 91 | 81 | 58 | 40 | 31 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | +18 | +17 | — | -18 | -42 | -61 | -42 | -45 | -49 | -26 | -3 | +17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vientiane | 30 | 33 | 46 | 59 | 79 | 89 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 |
| Difference | +18 | +17 | — | -18 | -42 | -61 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vientiane | 91 | 91 | 81 | 58 | 40 | 31 |
| Tusayan | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -42 | -45 | -49 | -26 | -3 | +17 |
Relative humidity (%) Vientiane runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane | 66 | 57 | 52 | 56 | 70 | 79 | 82 | 85 | 85 | 82 | 77 | 72 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -4 | — | -3 | -15 | -35 | -54 | -46 | -43 | -44 | -39 | -27 | -11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vientiane | 66 | 57 | 52 | 56 | 70 | 79 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 |
| Difference | -4 | — | -3 | -15 | -35 | -54 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vientiane | 82 | 85 | 85 | 82 | 77 | 72 |
| Tusayan | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -46 | -43 | -44 | -39 | -27 | -11 |
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. Vientiane trends → · Tusayan trends →
Methodology & sources
Vientiane
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Wattay Intl, a weather station, about 5 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 Vientiane · change Tusayan → · Vientiane page · Tusayan page