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Mont-Tremblant vs Castries
Comparing Mont-Tremblant change · Castries change
Castries is the warmer of the two — about 42°F on the annual average; Castries is the wetter, with 33 in more rain a year, and Castries the sunnier.
How the seasons compare
The differences between Mont-Tremblant and Castries, in everyday terms.
Summers
Castries has hotter summers
Mont-Tremblant: Mild
Castries: Warm
Winters
Castries has far milder winters
Mont-Tremblant: Bitterly cold
Castries: Stays warm
Rain & snow
Castries is wetter
Mont-Tremblant: Wet
Castries: Very wet
Sky
Castries is sunnier
Mont-Tremblant: Often cloudy
Castries: Fairly sunny
Month-by-month charts
Temperature
Castries is the warmer of the two — about 42°F on the annual average.
Precipitation
Castries is the wetter — about 33 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mont-Tremblant | 22 | 26 | 37 | 50 | 65 | 73 | 78 | 76 | 68 | 54 | 40 | 27 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +58 | +54 | +44 | +31 | +17 | +10 | +6 | +8 | +16 | +29 | +42 | +54 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 22 | 26 | 37 | 50 | 65 | 73 |
| Castries | 80 | 80 | 80 | 82 | 83 | 83 |
| Difference | +58 | +54 | +44 | +31 | +17 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 78 | 76 | 68 | 54 | 40 | 27 |
| Castries | 83 | 84 | 84 | 83 | 83 | 81 |
| Difference | +6 | +8 | +16 | +29 | +42 | +54 |
Avg low (°F) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mont-Tremblant | -1 | -0 | 12 | 26 | 38 | 47 | 52 | 49 | 42 | 33 | 23 | 9 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +79 | +78 | +66 | +53 | +42 | +34 | +29 | +32 | +40 | +49 | +58 | +71 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mont-Tremblant | -1 | -0 | 12 | 26 | 38 | 47 |
| Castries | 78 | 77 | 78 | 79 | 80 | 81 |
| Difference | +79 | +78 | +66 | +53 | +42 | +34 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 52 | 49 | 42 | 33 | 23 | 9 |
| Castries | 81 | 82 | 82 | 82 | 81 | 79 |
| Difference | +29 | +32 | +40 | +49 | +58 | +71 |
Precipitation (in) Castries runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mont-Tremblant | 3.3 | 2.5 | 3.2 | 3.6 | 3.7 | 4.3 | 4.5 | 4 | 4.1 | 4.1 | 3.3 | 3.5 |
| 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 | +1.1 | +0.5 | -0.5 | — | +0.8 | +1 | +4 | +7.5 | +4.7 | +5.6 | +6.2 | +2.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 3.3 | 2.5 | 3.2 | 3.6 | 3.7 | 4.3 |
| Castries | 4.5 | 3 | 2.6 | 3.5 | 4.5 | 5.3 |
| Difference | +1.1 | +0.5 | -0.5 | — | +0.8 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 4.5 | 4 | 4.1 | 4.1 | 3.3 | 3.5 |
| Castries | 8.5 | 11.5 | 8.8 | 9.7 | 9.6 | 5.9 |
| Difference | +4 | +7.5 | +4.7 | +5.6 | +6.2 | +2.4 |
Cloud cover (%) Mont-Tremblant runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mont-Tremblant | 68 | 64 | 63 | 65 | 68 | 65 | 62 | 61 | 62 | 72 | 73 | 71 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -30 | -26 | -21 | -16 | -16 | -6 | -12 | -15 | -11 | -21 | -27 | -30 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 68 | 64 | 63 | 65 | 68 | 65 |
| Castries | 38 | 39 | 42 | 49 | 52 | 59 |
| Difference | -30 | -26 | -21 | -16 | -16 | -6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 62 | 61 | 62 | 72 | 73 | 71 |
| Castries | 50 | 46 | 51 | 51 | 46 | 41 |
| Difference | -12 | -15 | -11 | -21 | -27 | -30 |
Relative humidity (%) Mont-Tremblant runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mont-Tremblant | 98 | 97 | 95 | 84 | 79 | 80 | 81 | 80 | 80 | 83 | 88 | 96 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -22 | -23 | -20 | -8 | -2 | -2 | -2 | -1 | -1 | -4 | -9 | -19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 98 | 97 | 95 | 84 | 79 | 80 |
| Castries | 76 | 75 | 75 | 76 | 77 | 79 |
| Difference | -22 | -23 | -20 | -8 | -2 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Mont-Tremblant | 81 | 80 | 80 | 83 | 88 | 96 |
| Castries | 79 | 79 | 79 | 79 | 79 | 77 |
| Difference | -2 | -1 | -1 | -4 | -9 | -19 |
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. Mont-Tremblant trends → · Castries trends →
Methodology & sources
Mont-Tremblant
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at St-jovite, a weather station, about 15 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 Mont-Tremblant · change Castries → · Mont-Tremblant page · Castries page