Portesham Hill OFFICIAL South-west Climbs – Weather Forecast
Category 4Portesham, England, GB
This page shows a route-based weather forecast for the Portesham Hill OFFICIAL South-west Climbs cycling climb in Portesham, England, 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.
Portesham Hill OFFICIAL South-west Climbs
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 Sat 29 Aug 23:47
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 8°C | 3°C | 12 | 4.1h | 18 | 170 mm | 75 % | 2 | 8h 34m |
| Feb | 8°C | 5°C | 10 | 4.2h | 15 | 81 mm | 73 % | 3 | 10h 4m |
| Mar | 11°C | 5°C | 27 | 9.2h | 13 | 20 mm | 70 % | 4 | 11h 55m |
| Apr | 14°C | 7°C | 29 | 11.2h | 13 | 65 mm | 68 % | 5 | 13h 51m |
| May | 17°C | 10°C | 28 | 12.0h | 11 | 46 mm | 65 % | 6 | 15h 31m |
| Jun | 19°C | 14°C | 29 | 12.7h | 17 | 61 mm | 67 % | 7 | 16h 24m |
| Jul | 21°C | 15°C | 30 | 12.7h | 17 | 44 mm | 66 % | 8 | 15h 56m |
| Aug | 21°C | 15°C | 27 | 10.9h | 13 | 65 mm | 68 % | 7 | 14h 27m |
| Sep | 17°C | 12°C | 22 | 8.6h | 20 | 148 mm | 70 % | 5 | 12h 36m |
| Oct | 15°C | 11°C | 17 | 6.0h | 17 | 107 mm | 72 % | 4 | 10h 41m |
| Nov | 12°C | 8°C | 16 | 5.3h | 24 | 144 mm | 76 % | 2 | 8h 58m |
| Dec | 10°C | 7°C | 12 | 4.5h | 20 | 183 mm | 77 % | 2 | 8h 3m |