🌦️ Seasonal breakdown for cyclists

• Valley nearby averages about 5.8 °C daytime / 0.4 °C night in January. 
• Snow occurs Nov–Mar with ~11 snowy days yearly. 
• December area stats show ~9 snowfall days and heavy snow accumulation possible.
  Cycling reality:
• Road may be temporarily closed or unsafe after storms or ice.
• Black ice on shaded sections is common.
• Expect wind chill and frozen runoff.

• Snow gradually melts; early spring can still have snow patches at altitude.
• Weather is unstable — cold mornings, mild afternoons.
• Rain days increase toward late spring (June peak rain days in region). 

• March–early April = shoulder season, unpredictable.
• Late April–May = rideable most years, but bring layers + rain shell.

• Warm and dry overall.
• Lowest precipitation probability occurs mid-June in similar southern mountain climates. 
• August is the driest, least humid period regionally. 

• Best riding season.
• Expect:
  • hot valley starts
  • cooler summit temps
  • occasional afternoon thunderstorms
• Wind exposure on summit is common.

• September = driest month (~32 mm rainfall). 
• October–November = wettest period; November highest rainfall. 
• First snowfalls often arrive late autumn.

• September = excellent conditions.
• October = scenic but wetter.
• November = unreliable and potentially snowy.

🚧 Opening / accessibility pattern

• snowfall
• ice
• local road maintenance

🎯 What cyclists should expect (practical notes)

• Temperature drop of ~6–8 °C from valley to summit.
• Strong crosswinds possible at the col.
• Sudden weather shifts (especially spring/autumn).
• Limited services — bring water/food.

✅ Short summary