Côte de Trémelin – Weather Forecast
Plouay, Bretagne, FR
This page shows a route-based weather forecast for the Côte de Trémelin cycling climb in Plouay, Bretagne, FR. 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.
Côte de Trémelin
Plan Your Ride
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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
Compare Reversed Route
Same departure time & speed — opposite direction
→ Original Direction
← Reversed Direction
Creates a new saved route in the reversed direction
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 Wed 09 Sep 19:41
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 9°C | 3°C | 11 | 4.0h | 22 | 252 mm | 75 % | 2 | 8h 55m |
| Feb | 11°C | 4°C | 12 | 4.9h | 13 | 73 mm | 73 % | 3 | 10h 16m |
| Mar | 13°C | 6°C | 23 | 8.1h | 15 | 71 mm | 70 % | 4 | 11h 56m |
| Apr | 18°C | 8°C | 23 | 9.7h | 14 | 87 mm | 68 % | 5 | 13h 40m |
| May | 19°C | 10°C | 29 | 11.4h | 13 | 53 mm | 65 % | 6 | 15h 10m |
| Jun | 23°C | 14°C | 26 | 11.9h | 16 | 37 mm | 67 % | 7 | 15h 57m |
| Jul | 24°C | 14°C | 30 | 11.5h | 18 | 61 mm | 66 % | 8 | 15h 33m |
| Aug | 25°C | 15°C | 30 | 11.9h | 8 | 33 mm | 68 % | 7 | 14h 13m |
| Sep | 19°C | 12°C | 26 | 9.7h | 17 | 68 mm | 70 % | 5 | 12h 32m |
| Oct | 17°C | 10°C | 23 | 7.5h | 14 | 88 mm | 72 % | 4 | 10h 49m |
| Nov | 14°C | 8°C | 13 | 5.4h | 20 | 114 mm | 76 % | 2 | 9h 16m |
| Dec | 10°C | 5°C | 13 | 4.5h | 21 | 150 mm | 77 % | 2 | 8h 28m |