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Locarno vs Castries
Comparing Locarno change · Castries change
Castries is the warmer of the two — about 26°F on the annual average; Castries is the wetter, with 16 in more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Locarno and Castries, in everyday terms.
Summers
Summers are nearly the same
Locarno: Warm
Castries: Warm
Winters
Castries has far milder winters
Locarno: Chilly
Castries: Stays warm
Rain & snow
Castries is wetter
Locarno: Very wet
Castries: Very wet
Sky
Castries is sunnier
Locarno: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 26°F on the annual average.
Precipitation
Castries is the wetter — about 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locarno | 45 | 48 | 56 | 62 | 69 | 77 | 81 | 80 | 72 | 62 | 53 | 46 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +35 | +32 | +24 | +19 | +13 | +6 | +2 | +4 | +12 | +21 | +30 | +35 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Locarno | 45 | 48 | 56 | 62 | 69 | 77 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +35 | +32 | +24 | +19 | +13 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Locarno | 81 | 80 | 72 | 62 | 53 | 46 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +2 | +4 | +12 | +21 | +30 | +35 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locarno | 34 | 35 | 41 | 47 | 54 | 61 | 64 | 64 | 58 | 50 | 42 | 36 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +44 | +42 | +36 | +32 | +26 | +20 | +17 | +18 | +24 | +31 | +38 | +44 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Locarno | 34 | 35 | 41 | 47 | 54 | 61 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +44 | +42 | +36 | +32 | +26 | +20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Locarno | 64 | 64 | 58 | 50 | 42 | 36 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +17 | +18 | +24 | +31 | +38 | +44 |
Precipitation (in) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locarno | 2.6 | 2.4 | 3 | 5.4 | 7 | 6.8 | 6.2 | 6.2 | 6.5 | 5.9 | 6.6 | 3.1 |
| 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 | +1.9 | +0.6 | -0.4 | -1.9 | -2.5 | -1.5 | +2.3 | +5.2 | +2.3 | +3.8 | +3 | +2.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Locarno | 2.6 | 2.4 | 3 | 5.4 | 7 | 6.8 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | +1.9 | +0.6 | -0.4 | -1.9 | -2.5 | -1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Locarno | 6.2 | 6.2 | 6.5 | 5.9 | 6.6 | 3.1 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +2.3 | +5.2 | +2.3 | +3.8 | +3 | +2.7 |
Cloud cover (%) Locarno runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locarno | 68 | 70 | 72 | 75 | 75 | 69 | 62 | 61 | 63 | 65 | 70 | 70 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -29 | -31 | -30 | -25 | -23 | -11 | -12 | -15 | -13 | -14 | -24 | -29 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Locarno | 68 | 70 | 72 | 75 | 75 | 69 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -29 | -31 | -30 | -25 | -23 | -11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Locarno | 62 | 61 | 63 | 65 | 70 | 70 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -12 | -15 | -13 | -14 | -24 | -29 |
Relative humidity (%) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locarno | 75 | 73 | 71 | 71 | 72 | 71 | 68 | 68 | 72 | 77 | 78 | 75 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +1 | +2 | +4 | +5 | +5 | +8 | +11 | +11 | +7 | +2 | +1 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Locarno | 75 | 73 | 71 | 71 | 72 | 71 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | +1 | +2 | +4 | +5 | +5 | +8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Locarno | 68 | 68 | 72 | 77 | 78 | 75 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +11 | +11 | +7 | +2 | +1 | +1 |
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. Locarno trends → · Castries trends →
Methodology & sources
Locarno
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Lugano, about 22 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 Locarno · change Castries → · Locarno page · Castries page