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Castries vs Windhoek
Comparing Castries change · Windhoek change
Castries is the warmer of the two — about 11°F on the annual average; Castries is the wetter, with 64 in more rain a year, and Windhoek the sunnier.
How the seasons compare
The differences between Castries and Windhoek, in everyday terms.
Summers
Windhoek has hotter summers
Castries: Warm
Windhoek: Hot
Winters
Castries has far milder winters
Castries: Stays warm
Windhoek: Cool
Rain & snow
Castries is much wetter
Castries: Very wet
Windhoek: Fairly dry
Sky
Windhoek is sunnier
Castries: Fairly sunny
Windhoek: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 11°F on the annual average.
Precipitation
Castries is the wetter — about 64 in more across the year.
Clear skies
Windhoek 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) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Windhoek | 90 | 87 | 86 | 81 | 77 | 73 | 73 | 77 | 85 | 89 | 89 | 91 |
| Difference | +9 | +8 | +5 | — | -5 | -10 | -11 | -7 | +1 | +6 | +7 | +9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Windhoek | 90 | 87 | 86 | 81 | 77 | 73 |
| Difference | +9 | +8 | +5 | — | -5 | -10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Windhoek | 73 | 77 | 85 | 89 | 89 | 91 |
| Difference | -11 | -7 | +1 | +6 | +7 | +9 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Windhoek | 64 | 63 | 61 | 57 | 51 | 46 | 45 | 49 | 56 | 61 | 62 | 63 |
| Difference | -14 | -15 | -16 | -22 | -29 | -35 | -36 | -33 | -26 | -21 | -19 | -16 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Windhoek | 64 | 63 | 61 | 57 | 51 | 46 |
| Difference | -14 | -15 | -16 | -22 | -29 | -35 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Windhoek | 45 | 49 | 56 | 61 | 62 | 63 |
| Difference | -36 | -33 | -26 | -21 | -19 | -16 |
Precipitation (in) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Windhoek | 2.7 | 3.5 | 2.9 | 1.3 | 0.2 | 0 | 0 | 0 | 0.1 | 0.3 | 0.7 | 1.4 |
| Difference | -1.8 | +0.5 | +0.3 | -2.3 | -4.3 | -5.2 | -8.5 | -11.5 | -8.7 | -9.4 | -8.9 | -4.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Windhoek | 2.7 | 3.5 | 2.9 | 1.3 | 0.2 | 0 |
| Difference | -1.8 | +0.5 | +0.3 | -2.3 | -4.3 | -5.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Windhoek | 0 | 0 | 0.1 | 0.3 | 0.7 | 1.4 |
| Difference | -8.5 | -11.5 | -8.7 | -9.4 | -8.9 | -4.5 |
Cloud cover (%) Varies through 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 |
| Windhoek | 60 | 62 | 54 | 37 | 22 | 18 | 18 | 18 | 25 | 38 | 45 | 53 |
| Difference | +22 | +23 | +12 | -12 | -30 | -41 | -31 | -28 | -26 | -13 | -2 | +12 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Windhoek | 60 | 62 | 54 | 37 | 22 | 18 |
| Difference | +22 | +23 | +12 | -12 | -30 | -41 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Windhoek | 18 | 18 | 25 | 38 | 45 | 53 |
| Difference | -31 | -28 | -26 | -13 | -2 | +12 |
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 |
| Windhoek | 44 | 50 | 51 | 47 | 38 | 34 | 32 | 23 | 20 | 24 | 28 | 34 |
| Difference | -32 | -24 | -24 | -29 | -39 | -45 | -47 | -55 | -58 | -55 | -51 | -42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Windhoek | 44 | 50 | 51 | 47 | 38 | 34 |
| Difference | -32 | -24 | -24 | -29 | -39 | -45 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Windhoek | 32 | 23 | 20 | 24 | 28 | 34 |
| Difference | -47 | -55 | -58 | -55 | -51 | -42 |
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 → · Windhoek 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.
Windhoek
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Windhoek, a weather station, about 2 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 Castries · change Windhoek → · Castries page · Windhoek page