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Porto vs Tusayan
Comparing Porto change · Tusayan change
Porto is the warmer of the two — about 7°C on the annual average; Porto is the wetter, with 780 mm more rain a year, and Tusayan the sunnier.
How the seasons compare
The differences between Porto and Tusayan, in everyday terms.
Summers
Tusayan has much hotter summers
Porto: Mild
Tusayan: Warm
Winters
Porto has far milder winters
Porto: Cool
Tusayan: Very cold
Rain & snow
Porto is much wetter
Porto: Wet
Tusayan: Fairly dry
Sky
Tusayan is sunnier
Porto: Partly cloudy
Tusayan: Fairly sunny
Month-by-month charts
Temperature
Porto is the warmer of the two — about 7°C on the annual average.
Precipitation
Porto is the wetter — about 780 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) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 14 | 15 | 17 | 18 | 20 | 23 | 24 | 25 | 24 | 21 | 17 | 15 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | -7 | -7 | -4 | -2 | +2 | +6 | +6 | +4 | +1 | -2 | -4 | -8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 14 | 15 | 17 | 18 | 20 | 23 |
| Tusayan | 7 | 8 | 13 | 16 | 22 | 28 |
| Difference | -7 | -7 | -4 | -2 | +2 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 24 | 25 | 24 | 21 | 17 | 15 |
| Tusayan | 30 | 28 | 25 | 19 | 12 | 7 |
| Difference | +6 | +4 | +1 | -2 | -4 | -8 |
Avg low (°C) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 6 | 6 | 8 | 9 | 12 | 14 | 15 | 15 | 14 | 12 | 9 | 7 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -16 | -15 | -14 | -13 | -12 | -11 | -6 | -6 | -10 | -14 | -16 | -18 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 6 | 6 | 8 | 9 | 12 | 14 |
| Tusayan | -10 | -9 | -6 | -4 | -1 | 3 |
| Difference | -16 | -15 | -14 | -13 | -12 | -11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 15 | 15 | 14 | 12 | 9 | 7 |
| Tusayan | 9 | 9 | 4 | -2 | -7 | -10 |
| Difference | -6 | -6 | -10 | -14 | -16 | -18 |
Precipitation (mm) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 147 | 88 | 104 | 99 | 87 | 32 | 13 | 27 | 66 | 138 | 160 | 147 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | -120 | -62 | -78 | -81 | -72 | -23 | +36 | +26 | -32 | -105 | -142 | -127 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 147 | 88 | 104 | 99 | 87 | 32 |
| Tusayan | 27 | 26 | 26 | 18 | 15 | 9 |
| Difference | -120 | -62 | -78 | -81 | -72 | -23 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 13 | 27 | 66 | 138 | 160 | 147 |
| Tusayan | 49 | 53 | 34 | 33 | 18 | 20 |
| Difference | +36 | +26 | -32 | -105 | -142 | -127 |
Cloud cover (%) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 58 | 53 | 54 | 56 | 53 | 45 | 35 | 36 | 43 | 53 | 56 | 59 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | -10 | -4 | -8 | -16 | -16 | -17 | +14 | +10 | -10 | -22 | -20 | -11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 58 | 53 | 54 | 56 | 53 | 45 |
| Tusayan | 48 | 49 | 46 | 41 | 37 | 27 |
| Difference | -10 | -4 | -8 | -16 | -16 | -17 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 35 | 36 | 43 | 53 | 56 | 59 |
| Tusayan | 50 | 46 | 32 | 32 | 37 | 48 |
| Difference | +14 | +10 | -10 | -22 | -20 | -11 |
Relative humidity (%) Porto runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porto | 85 | 83 | 81 | 80 | 78 | 75 | 73 | 72 | 74 | 79 | 83 | 85 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -23 | -26 | -32 | -39 | -43 | -50 | -36 | -29 | -34 | -37 | -33 | -25 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Porto | 85 | 83 | 81 | 80 | 78 | 75 |
| Tusayan | 61 | 57 | 49 | 41 | 35 | 25 |
| Difference | -23 | -26 | -32 | -39 | -43 | -50 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Porto | 73 | 72 | 74 | 79 | 83 | 85 |
| Tusayan | 37 | 43 | 40 | 42 | 50 | 60 |
| Difference | -36 | -29 | -34 | -37 | -33 | -25 |
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. Porto trends → · Tusayan trends →
Methodology & sources
Porto
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Porto, a weather station, about 13 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 Porto · change Tusayan → · Porto page · Tusayan page