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Detailed cycling weather forecast for Col de La Cayolle. See wind direction, temperature and rain along the entire climb and descent.

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Pass Information

2,327m
Elevation
Current status: closed
Opening Period: Ganzjährig offen
Current Conditions
Winter closure of RD902 Col de La Cayolle (municipality of Uvernet-Fours) is anticipated due to degraded traffic conditions.
Wed
11 Mar
ac_unit
Snow
06:52 18:33
-1° / -6°
Precipitation 0 mm
Humidity 93 %

🚧 Opening / closing season
  • The pass is closed in winter due to snow cover and typically accessible only about half of the year
  • Typical opening window: mid-June → Oct/Nov (snow dependent)
  • Example real date: in 2025 it opened April 25 after winter closure. 
👉 Translation for planning:
  • ❄️ Nov–May: usually impassable
  • 🌤️ Jun–Sep: main riding season
  • 🍂 Oct: unpredictable / may close anytime
🌄 Seasonal riding expectations
❄️ Winter (Nov–May)
  • Road generally closed + snow covered
  • Avalanche and ice risk
  • Not rideable
🌱 Early season (Jun)
  • Road may open recently
  • Snow walls beside road possible
  • Cold summit despite warm valleys
☀️ Peak season (Jul–Aug)
  • Most reliable access
  • Summit temps often ~15–18 °C while valleys can be hot
  • Thunderstorms possible afternoons
  • Long daylight hours (~15 h in June) 
🍁 Late season (Sep–Oct)
  • Crisp air, clear visibility
  • Nights near freezing
  • Early snowstorms can close pass suddenly
🌬️ Wind & weather behavior
  • High altitude → fast weather changes
  • Exposed summit can feel much colder than forecast
  • Humidity ~65–70 % most of summer 
🚴 Road & terrain characteristics
  • Length ~25 km with varied landscapes and tunnels 
  • One side wide and flowing, the other narrow with bridges and rock tunnels 
  • Very little space at summit for stopping 

🧭 Short summary

Best time: July–September
Usually open: mid-June → early October
Closed: winter due to snow
Expect: cool summit temps, rapid weather changes, possible storms even in summer, and cold mornings outside peak season.

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Location


Weather Forecast

Next 7 Days

Wed
11 Mar
ac_unit
Snow
06:52 18:33
-1° / -6°
Precipitation 0 mm
Humidity 93 %
Thu
12 Mar
ac_unit
Snow
06:50 18:34
/ -5°
Precipitation 1 mm
Humidity 100 %
Fri
13 Mar
cloud
Overcast
06:48 18:36
/ -5°
Precipitation 0 mm
Humidity 86 %
Sat
14 Mar
ac_unit
Snow
06:46 18:37
-3° / -6°
Precipitation 22 mm
Humidity 100 %
Sun
15 Mar
ac_unit
Snow showers
06:45 18:38
-1° / -6°
Precipitation 4 mm
Humidity 96 %
Mon
16 Mar
cloud
Overcast
06:43 18:39
/ -4°
Precipitation 0 mm
Humidity 80 %
Tue
17 Mar
cloud
Overcast
06:41 18:41
/ -3°
Precipitation 0 mm
Humidity 88 %

Climate Overview

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 -2°C -12°C 20 6.2h 21 158 mm 75 % 2 9h 18m
Feb -1°C -11°C 21 8.1h 10 16 mm 73 % 3 10h 29m
Mar 0°C -10°C 26 9.4h 12 129 mm 70 % 4 11h 57m
Apr 3°C -6°C 26 10.4h 14 122 mm 68 % 5 13h 29m
May 9°C -2°C 31 12.6h 23 116 mm 65 % 6 14h 47m
Jun 18°C 7°C 30 14.1h 20 45 mm 67 % 7 15h 27m
Jul 17°C 5°C 31 14.2h 14 53 mm 66 % 8 15h 7m
Aug 18°C 6°C 28 12.3h 12 54 mm 68 % 7 13h 57m
Sep 12°C 1°C 29 10.9h 12 47 mm 70 % 5 12h 29m
Oct 8°C -2°C 28 9.1h 12 99 mm 72 % 4 10h 58m
Nov 2°C -7°C 24 7.3h 12 101 mm 76 % 2 9h 37m
Dec -1°C -10°C 21 6.3h 12 77 mm 77 % 2 8h 55m