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Deauville vs Castries
Comparing Deauville change · Castries change
Castries is the warmer of the two — about 29°F on the annual average; Castries is the wetter, with 41 in more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Deauville and Castries, in everyday terms.
Summers
Castries has much hotter summers
Deauville: Mild
Castries: Warm
Winters
Castries has far milder winters
Deauville: Chilly
Castries: Stays warm
Rain & snow
Castries is wetter
Deauville: Moderate rainfall
Castries: Very wet
Sky
Castries is sunnier
Deauville: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 29°F on the annual average.
Precipitation
Castries is the wetter — about 41 in more across the year.
Clear skies
Castries 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) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deauville | 46 | 47 | 52 | 57 | 63 | 68 | 71 | 71 | 66 | 60 | 52 | 47 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +35 | +33 | +29 | +24 | +20 | +15 | +12 | +13 | +18 | +24 | +31 | +35 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Deauville | 46 | 47 | 52 | 57 | 63 | 68 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +35 | +33 | +29 | +24 | +20 | +15 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Deauville | 71 | 71 | 66 | 60 | 52 | 47 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +12 | +13 | +18 | +24 | +31 | +35 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deauville | 37 | 37 | 39 | 42 | 47 | 52 | 56 | 56 | 52 | 48 | 42 | 38 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +42 | +41 | +38 | +37 | +33 | +29 | +25 | +26 | +30 | +34 | +39 | +42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Deauville | 37 | 37 | 39 | 42 | 47 | 52 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +42 | +41 | +38 | +37 | +33 | +29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Deauville | 56 | 56 | 52 | 48 | 42 | 38 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +25 | +26 | +30 | +34 | +39 | +42 |
Precipitation (in) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deauville | 3 | 2.6 | 2.4 | 2.4 | 2.6 | 2.7 | 2.5 | 3.3 | 3.2 | 3.7 | 3.7 | 4.3 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +1.4 | +0.4 | +0.2 | +1.1 | +1.8 | +2.6 | +6 | +8.2 | +5.6 | +6 | +5.9 | +1.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Deauville | 3 | 2.6 | 2.4 | 2.4 | 2.6 | 2.7 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | +1.4 | +0.4 | +0.2 | +1.1 | +1.8 | +2.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Deauville | 2.5 | 3.3 | 3.2 | 3.7 | 3.7 | 4.3 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +6 | +8.2 | +5.6 | +6 | +5.9 | +1.6 |
Cloud cover (%) Deauville runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deauville | 73 | 72 | 70 | 66 | 69 | 67 | 64 | 65 | 63 | 69 | 73 | 74 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -34 | -34 | -28 | -17 | -16 | -9 | -14 | -18 | -13 | -17 | -27 | -33 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Deauville | 73 | 72 | 70 | 66 | 69 | 67 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -34 | -34 | -28 | -17 | -16 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Deauville | 64 | 65 | 63 | 69 | 73 | 74 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -14 | -18 | -13 | -17 | -27 | -33 |
Relative humidity (%) Deauville runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deauville | 88 | 86 | 85 | 82 | 82 | 82 | 82 | 81 | 81 | 84 | 87 | 88 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -13 | -12 | -10 | -6 | -5 | -4 | -3 | -2 | -3 | -5 | -7 | -11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Deauville | 88 | 86 | 85 | 82 | 82 | 82 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -13 | -12 | -10 | -6 | -5 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Deauville | 82 | 81 | 81 | 84 | 87 | 88 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -3 | -2 | -3 | -5 | -7 | -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. Deauville trends → · Castries trends →
Methodology & sources
Deauville
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at ST Gatien Des B, a weather station, about 7 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.
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.
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