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Luzern vs Castries
Comparing Luzern change · Castries change
Castries is the warmer of the two — about 17°C on the annual average; Castries is the wetter, with 671 mm more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Luzern and Castries, in everyday terms.
Summers
Castries has much hotter summers
Luzern: Mild
Castries: Warm
Winters
Castries has far milder winters
Luzern: Cold
Castries: Stays warm
Rain & snow
Castries is wetter
Luzern: Wet
Castries: Very wet
Sky
Castries is sunnier
Luzern: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 17°C on the annual average.
Precipitation
Castries is the wetter — about 671 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Luzern | 4 | 6 | 11 | 15 | 19 | 23 | 25 | 24 | 20 | 14 | 8 | 5 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +23 | +21 | +16 | +12 | +9 | +5 | +4 | +4 | +9 | +14 | +20 | +23 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Luzern | 4 | 6 | 11 | 15 | 19 | 23 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 |
| Difference | +23 | +21 | +16 | +12 | +9 | +5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Luzern | 25 | 24 | 20 | 14 | 8 | 5 |
| Castries | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +4 | +4 | +9 | +14 | +20 | +23 |
Avg low (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Luzern | -2 | -2 | 2 | 5 | 9 | 13 | 15 | 14 | 11 | 7 | 2 | -1 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +27 | +27 | +24 | +21 | +18 | +14 | +13 | +13 | +17 | +21 | +25 | +27 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Luzern | -2 | -2 | 2 | 5 | 9 | 13 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 |
| Difference | +27 | +27 | +24 | +21 | +18 | +14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Luzern | 15 | 14 | 11 | 7 | 2 | -1 |
| Castries | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +13 | +13 | +17 | +21 | +25 | +27 |
Precipitation (mm) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Luzern | 56 | 61 | 75 | 96 | 149 | 164 | 166 | 170 | 109 | 88 | 78 | 78 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +57 | +14 | -9 | -7 | -35 | -31 | +51 | +121 | +115 | +158 | +165 | +71 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Luzern | 56 | 61 | 75 | 96 | 149 | 164 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 |
| Difference | +57 | +14 | -9 | -7 | -35 | -31 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Luzern | 166 | 170 | 109 | 88 | 78 | 78 |
| Castries | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +51 | +121 | +115 | +158 | +165 | +71 |
Cloud cover (%) Luzern runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Luzern | 69 | 69 | 68 | 67 | 69 | 65 | 60 | 60 | 62 | 68 | 72 | 72 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -31 | -31 | -26 | -18 | -17 | -7 | -11 | -13 | -11 | -17 | -26 | -32 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Luzern | 69 | 69 | 68 | 67 | 69 | 65 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -31 | -31 | -26 | -18 | -17 | -7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Luzern | 60 | 60 | 62 | 68 | 72 | 72 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -11 | -13 | -11 | -17 | -26 | -32 |
Relative humidity (%) Luzern runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Luzern | 82 | 82 | 80 | 78 | 78 | 78 | 77 | 77 | 80 | 81 | 84 | 83 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -7 | -7 | -5 | -2 | -1 | +1 | +2 | +2 | -1 | -2 | -5 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Luzern | 82 | 82 | 80 | 78 | 78 | 78 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -7 | -7 | -5 | -2 | -1 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Luzern | 77 | 77 | 80 | 81 | 84 | 83 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +2 | +2 | -1 | -2 | -5 | -6 |
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. Luzern trends → · Castries trends →
Methodology & sources
Luzern
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Luzern, about 2 km from the city centre.
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 Luzern · change Castries → · Luzern page · Castries page