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Vienna vs Castries
Comparing Vienna change · Castries change
Castries is the warmer of the two — about 28°F on the annual average; Castries is the wetter, with 51 in 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 28°F on the annual average.
Precipitation
Castries is the wetter — about 51 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 38 | 43 | 52 | 63 | 70 | 77 | 81 | 80 | 70 | 58 | 48 | 39 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +42 | +37 | +29 | +19 | +12 | +6 | +3 | +4 | +14 | +25 | +35 | +42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 38 | 43 | 52 | 63 | 70 | 77 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +42 | +37 | +29 | +19 | +12 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 81 | 80 | 70 | 58 | 48 | 39 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +3 | +4 | +14 | +25 | +35 | +42 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 30 | 31 | 37 | 44 | 52 | 58 | 62 | 61 | 54 | 46 | 39 | 31 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +48 | +46 | +41 | +35 | +28 | +22 | +20 | +21 | +28 | +36 | +42 | +48 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 30 | 31 | 37 | 44 | 52 | 58 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +48 | +46 | +41 | +35 | +28 | +22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 62 | 61 | 54 | 46 | 39 | 31 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +20 | +21 | +28 | +36 | +42 | +48 |
Precipitation (in) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | 1.7 | 1.5 | 2 | 1.7 | 3.1 | 2.8 | 3.1 | 2.7 | 2.5 | 1.8 | 1.8 | 1.8 |
| 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 | +2.8 | +1.5 | +0.6 | +1.9 | +1.4 | +2.5 | +5.4 | +8.7 | +6.3 | +7.9 | +7.7 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Vienna | 1.7 | 1.5 | 2 | 1.7 | 3.1 | 2.8 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | +2.8 | +1.5 | +0.6 | +1.9 | +1.4 | +2.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Vienna | 3.1 | 2.7 | 2.5 | 1.8 | 1.8 | 1.8 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +5.4 | +8.7 | +6.3 | +7.9 | +7.7 | +4 |
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