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Castries vs Riga
Comparing Castries change · Riga change
Castries is the warmer of the two — about 19°C on the annual average; Castries is the wetter, with 1290 mm more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Castries and Riga, in everyday terms.
Summers
Castries has much hotter summers
Castries: Warm
Riga: Mild
Winters
Castries has far milder winters
Castries: Stays warm
Riga: Cold
Rain & snow
Castries is much wetter
Castries: Very wet
Riga: Moderate rainfall
Sky
Castries is far sunnier
Castries: Fairly sunny
Riga: Often cloudy
Month-by-month charts
Temperature
Castries is the warmer of the two — about 19°C on the annual average.
Precipitation
Castries is the wetter — about 1290 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Riga | 0 | 0 | 4 | 11 | 17 | 20 | 24 | 23 | 17 | 12 | 6 | 2 |
| Difference | -26 | -26 | -23 | -16 | -11 | -8 | -5 | -6 | -12 | -17 | -22 | -25 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 27 | 27 | 27 | 28 | 28 | 28 |
| Riga | 0 | 0 | 4 | 11 | 17 | 20 |
| Difference | -26 | -26 | -23 | -16 | -11 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 28 | 29 | 29 | 29 | 28 | 27 |
| Riga | 24 | 23 | 17 | 12 | 6 | 2 |
| Difference | -5 | -6 | -12 | -17 | -22 | -25 |
Avg low (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
| Riga | -3 | -4 | -1 | 3 | 8 | 13 | 16 | 16 | 12 | 7 | 3 | -1 |
| Difference | -29 | -30 | -27 | -23 | -18 | -14 | -11 | -12 | -16 | -21 | -24 | -27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 26 | 25 | 25 | 26 | 27 | 27 |
| Riga | -3 | -4 | -1 | 3 | 8 | 13 |
| Difference | -29 | -30 | -27 | -23 | -18 | -14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 27 | 28 | 28 | 28 | 27 | 26 |
| Riga | 16 | 16 | 12 | 7 | 3 | -1 |
| Difference | -11 | -12 | -16 | -21 | -24 | -27 |
Precipitation (mm) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castries | 113 | 76 | 66 | 90 | 114 | 134 | 216 | 291 | 224 | 246 | 243 | 149 |
| Riga | 55 | 48 | 37 | 43 | 50 | 65 | 52 | 66 | 90 | 67 | 53 | 45 |
| Difference | -58 | -28 | -29 | -46 | -64 | -69 | -164 | -226 | -134 | -180 | -189 | -104 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 113 | 76 | 66 | 90 | 114 | 134 |
| Riga | 55 | 48 | 37 | 43 | 50 | 65 |
| Difference | -58 | -28 | -29 | -46 | -64 | -69 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 216 | 291 | 224 | 246 | 243 | 149 |
| Riga | 52 | 66 | 90 | 67 | 53 | 45 |
| Difference | -164 | -226 | -134 | -180 | -189 | -104 |
Cloud cover (%) Riga runs higher most of 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 |
| Riga | 76 | 75 | 70 | 65 | 61 | 65 | 64 | 63 | 67 | 73 | 77 | 76 |
| Difference | +37 | +36 | +28 | +15 | +9 | +6 | +15 | +17 | +17 | +21 | +31 | +35 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Riga | 76 | 75 | 70 | 65 | 61 | 65 |
| Difference | +37 | +36 | +28 | +15 | +9 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Riga | 64 | 63 | 67 | 73 | 77 | 76 |
| Difference | +15 | +17 | +17 | +21 | +31 | +35 |
Relative humidity (%) Riga 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 |
| Riga | 94 | 94 | 89 | 82 | 78 | 79 | 80 | 80 | 83 | 87 | 92 | 94 |
| Difference | +18 | +19 | +14 | +6 | +1 | — | +1 | +1 | +4 | +8 | +13 | +17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Riga | 94 | 94 | 89 | 82 | 78 | 79 |
| Difference | +18 | +19 | +14 | +6 | +1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Riga | 80 | 80 | 83 | 87 | 92 | 94 |
| Difference | +1 | +1 | +4 | +8 | +13 | +17 |
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 → · Riga trends →
Riga from Cfb to Dfb.
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.
Riga
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 5 years of daily observations at Riga, 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.
← change Castries · change Riga → · Castries page · Riga page