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Castries vs Scottsdale
Comparing Castries change · Scottsdale change
Castries is the warmer of the two — about 5°C on the annual average; Castries is the wetter, with 1704 mm more rain a year, and Scottsdale the sunnier.
How the seasons compare
The differences between Castries and Scottsdale, in everyday terms.
Summers
Scottsdale has far hotter summers
Castries: Warm
Scottsdale: Very hot
Winters
Castries has far milder winters
Castries: Stays warm
Scottsdale: Cool
Rain & snow
Castries is much wetter
Castries: Very wet
Scottsdale: Fairly dry
Sky
Scottsdale is sunnier
Castries: Fairly sunny
Scottsdale: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 5°C on the annual average.
Precipitation
Castries is the wetter — about 1704 mm more across the year.
Clear skies
Scottsdale 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Scottsdale | 18 | 20 | 23 | 28 | 33 | 38 | 39 | 39 | 36 | 30 | 23 | 17 |
| Difference | -9 | -7 | -4 | — | +5 | +10 | +11 | +10 | +7 | +2 | -5 | -10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 27 | 27 | 27 | 28 | 28 | 28 |
| Scottsdale | 18 | 20 | 23 | 28 | 33 | 38 |
| Difference | -9 | -7 | -4 | — | +5 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 28 | 29 | 29 | 29 | 28 | 27 |
| Scottsdale | 39 | 39 | 36 | 30 | 23 | 17 |
| Difference | +11 | +10 | +7 | +2 | -5 | -10 |
Avg low (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
| Scottsdale | 7 | 8 | 10 | 14 | 18 | 23 | 27 | 27 | 23 | 17 | 11 | 7 |
| Difference | -19 | -17 | -15 | -12 | -9 | -4 | — | -1 | -5 | -11 | -16 | -20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 26 | 25 | 25 | 26 | 27 | 27 |
| Scottsdale | 7 | 8 | 10 | 14 | 18 | 23 |
| Difference | -19 | -17 | -15 | -12 | -9 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 27 | 28 | 28 | 28 | 27 | 26 |
| Scottsdale | 27 | 27 | 23 | 17 | 11 | 7 |
| Difference | — | -1 | -5 | -11 | -16 | -20 |
Precipitation (mm) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 113 | 76 | 66 | 90 | 114 | 134 | 216 | 291 | 224 | 246 | 243 | 149 |
| Scottsdale | 36 | 34 | 33 | 8 | 6 | 4 | 20 | 34 | 21 | 16 | 19 | 29 |
| Difference | -77 | -42 | -34 | -81 | -108 | -130 | -196 | -258 | -203 | -230 | -224 | -120 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 113 | 76 | 66 | 90 | 114 | 134 |
| Scottsdale | 36 | 34 | 33 | 8 | 6 | 4 |
| Difference | -77 | -42 | -34 | -81 | -108 | -130 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 216 | 291 | 224 | 246 | 243 | 149 |
| Scottsdale | 20 | 34 | 21 | 16 | 19 | 29 |
| Difference | -196 | -258 | -203 | -230 | -224 | -120 |
Cloud cover (%) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Scottsdale | 42 | 44 | 38 | 30 | 25 | 20 | 46 | 45 | 29 | 27 | 32 | 42 |
| Difference | +4 | +6 | -4 | -19 | -28 | -39 | -3 | -1 | -22 | -24 | -14 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Scottsdale | 42 | 44 | 38 | 30 | 25 | 20 |
| Difference | +4 | +6 | -4 | -19 | -28 | -39 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Scottsdale | 46 | 45 | 29 | 27 | 32 | 42 |
| Difference | -3 | -1 | -22 | -24 | -14 | +1 |
Relative humidity (%) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Scottsdale | 47 | 45 | 40 | 31 | 23 | 16 | 29 | 35 | 32 | 30 | 35 | 45 |
| Difference | -29 | -29 | -35 | -45 | -54 | -62 | -49 | -44 | -47 | -49 | -44 | -32 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Scottsdale | 47 | 45 | 40 | 31 | 23 | 16 |
| Difference | -29 | -29 | -35 | -45 | -54 | -62 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Scottsdale | 29 | 35 | 32 | 30 | 35 | 45 |
| Difference | -49 | -44 | -47 | -49 | -44 | -32 |
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. Castries trends → · Scottsdale trends →
Both cities' Köppen climate types are projected to hold steady through 2099 (SSP2-4.5).
Methodology & sources
Castries
Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Precipitation — 1991–2020 normals computed from 10 years of daily observations at LE Lamentin, a weather station, about 66 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.
Scottsdale
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Fountain Hills (NOAA GHCN station USC00023190), about 20 km from the city centre.
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 Castries · change Scottsdale → · Castries page · Scottsdale page