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Vienna vs Castries
Comparing Vienna change · Castries change
Castries is the warmer of the two — about 16°C on the annual average; Castries is the wetter, with 1289 mm more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Vienna and Castries, in everyday terms.
Summers
Castries has hotter summers
Vienna: Warm
Castries: Warm
Winters
Castries has far milder winters
Vienna: Cold
Castries: Stays warm
Rain & snow
Castries is much wetter
Vienna: Moderate rainfall
Castries: Very wet
Sky
Castries is sunnier
Vienna: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 16°C on the annual average.
Precipitation
Castries is the wetter — about 1289 mm 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 (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 4 | 6 | 11 | 17 | 21 | 25 | 27 | 27 | 21 | 15 | 9 | 4 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +23 | +21 | +16 | +10 | +7 | +3 | +1 | +2 | +8 | +14 | +19 | +23 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 4 | 6 | 11 | 17 | 21 | 25 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 |
| Difference | +23 | +21 | +16 | +10 | +7 | +3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 27 | 27 | 21 | 15 | 9 | 4 |
| Castries | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +1 | +2 | +8 | +14 | +19 | +23 |
Avg low (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | -1 | -0 | 3 | 7 | 11 | 15 | 16 | 16 | 12 | 8 | 4 | -0 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +27 | +26 | +23 | +19 | +16 | +12 | +11 | +11 | +16 | +20 | +23 | +27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | -1 | -0 | 3 | 7 | 11 | 15 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 |
| Difference | +27 | +26 | +23 | +19 | +16 | +12 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 16 | 16 | 12 | 8 | 4 | -0 |
| Castries | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +11 | +11 | +16 | +20 | +23 | +27 |
Precipitation (mm) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 42 | 38 | 52 | 42 | 79 | 70 | 78 | 69 | 64 | 47 | 46 | 47 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +71 | +38 | +15 | +48 | +35 | +64 | +138 | +222 | +160 | +199 | +197 | +103 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 42 | 38 | 52 | 42 | 79 | 70 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 |
| Difference | +71 | +38 | +15 | +48 | +35 | +64 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 78 | 69 | 64 | 47 | 46 | 47 |
| Castries | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +138 | +222 | +160 | +199 | +197 | +103 |
Cloud cover (%) Vienna runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 72 | 72 | 68 | 62 | 65 | 64 | 61 | 56 | 62 | 67 | 74 | 74 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -33 | -33 | -26 | -13 | -12 | -6 | -11 | -9 | -11 | -16 | -28 | -34 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 72 | 72 | 68 | 62 | 65 | 64 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -33 | -33 | -26 | -13 | -12 | -6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 61 | 56 | 62 | 67 | 74 | 74 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -11 | -9 | -11 | -16 | -28 | -34 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 90 | 86 | 79 | 73 | 70 | 67 | 64 | 64 | 71 | 80 | 88 | 90 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -14 | -11 | -5 | +3 | +7 | +12 | +15 | +15 | +7 | -1 | -9 | -13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 90 | 86 | 79 | 73 | 70 | 67 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -14 | -11 | -5 | +3 | +7 | +12 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 64 | 64 | 71 | 80 | 88 | 90 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +15 | +15 | +7 | -1 | -9 | -13 |
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. Vienna trends → · Castries trends →
Vienna is projected to shift from Cfb to Cfa by the 2071–2099 window (SSP2-4.5).
Methodology & sources
Vienna
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Wien, a weather station, about 3 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.
← change Vienna · change Castries → · Vienna page · Castries page