Home › Compare › Bilbao vs Castries
Bilbao vs Castries
Comparing Bilbao change · Castries change
Castries is the warmer of the two — about 22°F on the annual average; Castries is the wetter, with 32 in more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Bilbao and Castries, in everyday terms.
Summers
Castries has hotter summers
Bilbao: Warm
Castries: Warm
Winters
Castries has far milder winters
Bilbao: Cool
Castries: Stays warm
Rain & snow
Castries is wetter
Bilbao: Wet
Castries: Very wet
Sky
Castries is far sunnier
Bilbao: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 22°F on the annual average.
Precipitation
Castries is the wetter — about 32 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bilbao | 56 | 58 | 62 | 65 | 70 | 74 | 78 | 79 | 76 | 71 | 62 | 57 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +24 | +22 | +19 | +17 | +13 | +9 | +6 | +4 | +8 | +13 | +21 | +24 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Bilbao | 56 | 58 | 62 | 65 | 70 | 74 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +24 | +22 | +19 | +17 | +13 | +9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Bilbao | 78 | 79 | 76 | 71 | 62 | 57 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +6 | +4 | +8 | +13 | +21 | +24 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bilbao | 42 | 41 | 44 | 47 | 52 | 57 | 61 | 61 | 57 | 53 | 47 | 43 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +36 | +36 | +34 | +32 | +28 | +24 | +21 | +21 | +25 | +29 | +34 | +36 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Bilbao | 42 | 41 | 44 | 47 | 52 | 57 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +36 | +36 | +34 | +32 | +28 | +24 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Bilbao | 61 | 61 | 57 | 53 | 47 | 43 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +21 | +21 | +25 | +29 | +34 | +36 |
Precipitation (in) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bilbao | 5.1 | 4.3 | 3.8 | 3.8 | 3 | 2.3 | 2 | 2.1 | 3 | 4.4 | 6.7 | 5 |
| 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 | -0.7 | -1.3 | -1.2 | -0.3 | +1.5 | +3 | +6.5 | +9.4 | +5.9 | +5.3 | +2.8 | +0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Bilbao | 5.1 | 4.3 | 3.8 | 3.8 | 3 | 2.3 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | -0.7 | -1.3 | -1.2 | -0.3 | +1.5 | +3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Bilbao | 2 | 2.1 | 3 | 4.4 | 6.7 | 5 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +6.5 | +9.4 | +5.9 | +5.3 | +2.8 | +0.9 |
Cloud cover (%) Bilbao runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bilbao | 77 | 75 | 72 | 72 | 72 | 67 | 63 | 63 | 63 | 71 | 77 | 78 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -39 | -37 | -30 | -23 | -20 | -9 | -13 | -17 | -13 | -20 | -31 | -37 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Bilbao | 77 | 75 | 72 | 72 | 72 | 67 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -39 | -37 | -30 | -23 | -20 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Bilbao | 63 | 63 | 63 | 71 | 77 | 78 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -13 | -17 | -13 | -20 | -31 | -37 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bilbao | 79 | 78 | 78 | 78 | 78 | 78 | 76 | 73 | 72 | 74 | 77 | 79 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -3 | -3 | -3 | -2 | -1 | +1 | +3 | +6 | +6 | +5 | +2 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Bilbao | 79 | 78 | 78 | 78 | 78 | 78 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -3 | -3 | -3 | -2 | -1 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Bilbao | 76 | 73 | 72 | 74 | 77 | 79 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +3 | +6 | +6 | +5 | +2 | -2 |
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. Bilbao trends → · Castries trends →
Bilbao is projected to shift from Cfb to Csa by the 2071–2099 window (SSP2-4.5).
Methodology & sources
Bilbao
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Bilbao Aeropuerto, a weather station, about 4 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 Bilbao · change Castries → · Bilbao page · Castries page