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Annecy vs Castries
Comparing Annecy change · Castries change
Castries is the warmer of the two — about 16°C on the annual average; Castries is the wetter, with 1016 mm more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Annecy and Castries, in everyday terms.
Summers
Castries has hotter summers
Annecy: Warm
Castries: Warm
Winters
Castries has far milder winters
Annecy: Cold
Castries: Stays warm
Rain & snow
Castries is wetter
Annecy: Moderate rainfall
Castries: Very wet
Sky
Castries is sunnier
Annecy: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 16°C on the annual average.
Precipitation
Castries is the wetter — about 1016 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annecy | 5 | 7 | 12 | 16 | 20 | 24 | 27 | 26 | 21 | 16 | 9 | 6 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +22 | +20 | +15 | +12 | +8 | +4 | +2 | +3 | +8 | +13 | +19 | +22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Annecy | 5 | 7 | 12 | 16 | 20 | 24 |
| Castries | 27 | 27 | 27 | 28 | 28 | 28 |
| Difference | +22 | +20 | +15 | +12 | +8 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Annecy | 27 | 26 | 21 | 16 | 9 | 6 |
| Castries | 28 | 29 | 29 | 29 | 28 | 27 |
| Difference | +2 | +3 | +8 | +13 | +19 | +22 |
Avg low (°C) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annecy | -1 | -1 | 2 | 5 | 9 | 13 | 15 | 14 | 11 | 7 | 3 | -0 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +27 | +26 | +24 | +21 | +18 | +14 | +13 | +13 | +17 | +20 | +24 | +26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Annecy | -1 | -1 | 2 | 5 | 9 | 13 |
| Castries | 26 | 25 | 25 | 26 | 27 | 27 |
| Difference | +27 | +26 | +24 | +21 | +18 | +14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Annecy | 15 | 14 | 11 | 7 | 3 | -0 |
| Castries | 27 | 28 | 28 | 28 | 27 | 26 |
| Difference | +13 | +13 | +17 | +20 | +24 | +26 |
Precipitation (mm) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annecy | 73 | 56 | 62 | 67 | 79 | 83 | 79 | 81 | 91 | 96 | 89 | 90 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +40 | +20 | +4 | +23 | +35 | +50 | +137 | +210 | +133 | +150 | +154 | +59 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Annecy | 73 | 56 | 62 | 67 | 79 | 83 |
| Castries | 113 | 76 | 66 | 90 | 114 | 134 |
| Difference | +40 | +20 | +4 | +23 | +35 | +50 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Annecy | 79 | 81 | 91 | 96 | 89 | 90 |
| Castries | 216 | 291 | 224 | 246 | 243 | 149 |
| Difference | +137 | +210 | +133 | +150 | +154 | +59 |
Cloud cover (%) Annecy runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annecy | 68 | 69 | 68 | 69 | 72 | 65 | 59 | 59 | 61 | 66 | 71 | 71 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -30 | -30 | -27 | -20 | -20 | -7 | -10 | -12 | -10 | -15 | -25 | -31 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Annecy | 68 | 69 | 68 | 69 | 72 | 65 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -30 | -30 | -27 | -20 | -20 | -7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Annecy | 59 | 59 | 61 | 66 | 71 | 71 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -10 | -12 | -10 | -15 | -25 | -31 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annecy | 82 | 82 | 79 | 77 | 76 | 74 | 68 | 67 | 72 | 78 | 83 | 82 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -7 | -7 | -4 | -1 | +1 | +5 | +10 | +12 | +6 | +2 | -4 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Annecy | 82 | 82 | 79 | 77 | 76 | 74 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -7 | -7 | -4 | -1 | +1 | +5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Annecy | 68 | 67 | 72 | 78 | 83 | 82 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | +10 | +12 | +6 | +2 | -4 | -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. Annecy trends → · Castries trends →
Methodology & sources
Annecy
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Genève / Cointrin, about 38 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 Annecy · change Castries → · Annecy page · Castries page