Penmachno climb from hell – Weather Forecast

Category 3

Llanrwst, Wales, GB

Distance: 4.3 km
Elevation gain: 293 m

This page shows a route-based weather forecast for the Penmachno climb from hell cycling climb in Llanrwst, Wales, 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.

Got a Strava PR on this climb? Segment Hunter tells you when the wind will be on your side to beat it.

Penmachno climb from hell

Distance
4.34 km
2.69 mi
Elevation Gain
293 m
961 ft

Plan Your Ride

No breaks added. Click "Add Break" then click on the map.

Route Map

Elevation Profile

Start place details

Weather Forecast

Hourly around Sat 07 Nov 04:16

Sat
01:00
cloud
Overcast
7°
Precipitation 0.0 mm
Wind 1 km/h
Sat
02:00
cloud
Partly cloudy
5°
Precipitation 0.0 mm
Wind 3 km/h
Sat
03:00
cloud
Partly cloudy
5°
Precipitation 0.0 mm
Wind 4 km/h
Sat
04:00 ▸ departure
dark_mode
Mainly clear
6°
Precipitation 0.0 mm
Wind 4 km/h
Sat
05:00
cloud
Partly cloudy
5°
Precipitation 0.0 mm
Wind 5 km/h
Sat
06:00
wb_sunny
Partly cloudy
5°
Precipitation 0.0 mm
Wind 4 km/h
Sat
07:00
wb_sunny
Partly cloudy
5°
Precipitation 0.0 mm
Wind 3 km/h

Climate Overview

Month
Day Temperature Temp Day
Night Temperature Temp Night
Sunny Days Sunny Days
Sun Hours Sun Hours
Rain Days Rain Days
Precipitation Precipitation
Humidity Humidity
UV Index UV Index
Day Length Day Length
Jan 5°C 1°C 6 3.2h 19 178 mm 75 % 2 8h 14m
Feb 7°C 2°C 13 4.8h 20 143 mm 73 % 3 9h 53m
Mar 11°C 3°C 26 8.6h 10 56 mm 70 % 4 11h 54m
Apr 14°C 5°C 23 9.5h 16 73 mm 68 % 5 14h
May 16°C 7°C 26 11.6h 14 112 mm 65 % 6 15h 51m
Jun 17°C 11°C 23 9.4h 26 216 mm 67 % 7 16h 50m
Jul 19°C 12°C 23 10.0h 26 111 mm 66 % 8 16h 19m
Aug 19°C 12°C 29 10.7h 17 120 mm 68 % 7 14h 40m
Sep 15°C 9°C 19 7.2h 24 272 mm 70 % 5 12h 38m
Oct 13°C 8°C 14 5.1h 20 174 mm 72 % 4 10h 33m
Nov 10°C 5°C 10 4.0h 25 271 mm 76 % 2 8h 41m
Dec 8°C 4°C 10 3.5h 21 310 mm 77 % 2 7h 40m