Col du Grand St Bernard – Weather Forecast
Category HCOrsières, Valais, CH
This page shows a route-based weather forecast for the Col du Grand St Bernard cycling climb in Orsières, Valais, CH. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Col du Grand St Bernard
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
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Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Mon 15 Jun 11:03
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 6°C | -4°C | 20 | 6.1h | 16 | 165 mm | 75 % | 2 | 9h 7m |
| Feb | 7°C | -4°C | 22 | 8.2h | 9 | 49 mm | 73 % | 3 | 10h 22m |
| Mar | 9°C | -2°C | 28 | 9.8h | 12 | 76 mm | 70 % | 4 | 11h 56m |
| Apr | 14°C | 2°C | 28 | 11.2h | 15 | 128 mm | 68 % | 5 | 13h 35m |
| May | 16°C | 5°C | 27 | 11.0h | 22 | 160 mm | 65 % | 6 | 14h 59m |
| Jun | 25°C | 12°C | 29 | 13.7h | 14 | 78 mm | 67 % | 7 | 15h 41m |
| Jul | 22°C | 11°C | 30 | 12.6h | 24 | 212 mm | 66 % | 8 | 15h 19m |
| Aug | 24°C | 12°C | 30 | 12.2h | 14 | 120 mm | 68 % | 7 | 14h 5m |
| Sep | 19°C | 8°C | 24 | 9.4h | 21 | 275 mm | 70 % | 5 | 12h 31m |
| Oct | 14°C | 4°C | 24 | 8.1h | 16 | 165 mm | 72 % | 4 | 10h 53m |
| Nov | 9°C | -1°C | 19 | 6.2h | 14 | 169 mm | 76 % | 2 | 9h 27m |
| Dec | 8°C | -2°C | 22 | 6.8h | 9 | 29 mm | 77 % | 2 | 8h 42m |