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Valparaíso vs Castries
Comparing Valparaíso change · Castries change
Castries is the warmer of the two — about 23°F on the annual average; Castries is the wetter, with 57 in more rain a year.
How the seasons compare
The differences between Valparaíso and Castries, in everyday terms.
Summers
Castries has much hotter summers
Valparaíso: Mild
Castries: Warm
Winters
Castries has far milder winters
Valparaíso: Cool
Castries: Stays warm
Rain & snow
Castries is much wetter
Valparaíso: Fairly dry
Castries: Very wet
Sky
Similar amounts of sun
Valparaíso: Partly cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 23°F on the annual average.
Precipitation
Castries is the wetter — about 57 in more across the year.
Clear skies
The two cities see a similar amount of sun.
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 74 | 73 | 72 | 68 | 63 | 60 | 59 | 60 | 62 | 65 | 70 | 72 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +6 | +7 | +9 | +14 | +19 | +23 | +24 | +24 | +22 | +18 | +13 | +9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 74 | 73 | 72 | 68 | 63 | 60 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +6 | +7 | +9 | +14 | +19 | +23 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 59 | 60 | 62 | 65 | 70 | 72 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +24 | +24 | +22 | +18 | +13 | +9 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 54 | 54 | 53 | 51 | 48 | 46 | 45 | 45 | 46 | 47 | 50 | 52 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +24 | +23 | +25 | +28 | +32 | +35 | +36 | +37 | +36 | +34 | +31 | +27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 54 | 54 | 53 | 51 | 48 | 46 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +24 | +23 | +25 | +28 | +32 | +35 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 45 | 45 | 46 | 47 | 50 | 52 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +36 | +37 | +36 | +34 | +31 | +27 |
Precipitation (in) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 0 | 0 | 0.2 | 0.8 | 3.8 | 6.4 | 3.5 | 3.5 | 1.5 | 0.6 | 0.2 | 0.1 |
| 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 | +4.4 | +2.9 | +2.5 | +2.7 | +0.7 | -1.1 | +5 | +8 | +7.3 | +9.1 | +9.4 | +5.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 0 | 0 | 0.2 | 0.8 | 3.8 | 6.4 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | +4.4 | +2.9 | +2.5 | +2.7 | +0.7 | -1.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 3.5 | 3.5 | 1.5 | 0.6 | 0.2 | 0.1 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +5 | +8 | +7.3 | +9.1 | +9.4 | +5.7 |
Cloud cover (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 36 | 39 | 43 | 48 | 61 | 60 | 55 | 54 | 54 | 50 | 42 | 39 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | +2 | -1 | -1 | +1 | -8 | -2 | -6 | -8 | -3 | +1 | +4 | +2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 36 | 39 | 43 | 48 | 61 | 60 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | +2 | -1 | -1 | +1 | -8 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 55 | 54 | 54 | 50 | 42 | 39 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -6 | -8 | -3 | +1 | +4 | +2 |
Relative humidity (%) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 53 | 54 | 55 | 58 | 63 | 67 | 70 | 71 | 70 | 64 | 57 | 53 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +23 | +20 | +19 | +18 | +15 | +11 | +9 | +8 | +9 | +15 | +23 | +24 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 53 | 54 | 55 | 58 | 63 | 67 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | +23 | +20 | +19 | +18 | +15 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 70 | 71 | 70 | 64 | 57 | 53 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +9 | +8 | +9 | +15 | +23 | +24 |
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. Valparaíso trends → · Castries trends →
Methodology & sources
Valparaíso
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Rodelillovinadelmarad, about 8 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.
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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