Golynos – Weather Forecast
Clydach, Sir Fynwy, GB
This page shows a route-based weather forecast for the Golynos cycling climb in Clydach, Sir Fynwy, GB. 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.
Golynos
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 Sun 30 Aug 21:54
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 4°C | -1°C | 14 | 4.2h | 16 | 146 mm | 75 % | 2 | 8h 25m |
| Feb | 5°C | 1°C | 8 | 3.4h | 16 | 113 mm | 73 % | 3 | 9h 59m |
| Mar | 9°C | 2°C | 25 | 8.4h | 14 | 26 mm | 70 % | 4 | 11h 55m |
| Apr | 13°C | 4°C | 27 | 10.3h | 13 | 101 mm | 68 % | 5 | 13h 55m |
| May | 15°C | 7°C | 28 | 11.5h | 16 | 63 mm | 65 % | 6 | 15h 40m |
| Jun | 17°C | 10°C | 27 | 11.5h | 22 | 100 mm | 67 % | 7 | 16h 35m |
| Jul | 20°C | 12°C | 29 | 11.9h | 20 | 68 mm | 66 % | 8 | 16h 6m |
| Aug | 19°C | 11°C | 25 | 10.4h | 10 | 60 mm | 68 % | 7 | 14h 32m |
| Sep | 14°C | 8°C | 22 | 7.9h | 22 | 123 mm | 70 % | 5 | 12h 37m |
| Oct | 12°C | 7°C | 18 | 5.6h | 20 | 123 mm | 72 % | 4 | 10h 37m |
| Nov | 8°C | 4°C | 10 | 3.9h | 24 | 248 mm | 76 % | 2 | 8h 50m |
| Dec | 6°C | 2°C | 8 | 3.4h | 19 | 274 mm | 77 % | 2 | 7h 53m |