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Detailed cycling weather forecast for Col du Frêne. See wind direction, temperature and rain along the entire climb and descent.

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Pass Information

950m
Elevation
Current status: unknown
Opening Period: Ganzjährig offen
Current Conditions
Could not reliably identify pass 'Col du Frêne' in Savoie external list.
Wed
11 Mar
cloud
Moderate rain
06:55 18:35
10° /
Precipitation 19 mm
Humidity 100 %

🚴‍♂️ Col du Frêne — Accessibility / Open Season
According to local cycling/route info:
  • The road to Col du Frêne is technically open all year round. It’s navigable without official seasonal closure (no mandated winter closure date), but this is heavily weather-dependent — especially after snow or during adverse conditions. 
  • Local authorities and tourist offices recommend checking conditions before going, because snow, ice, or maintenance can make the pass impassable or unsafe at times. 
So unlike very high passes (e.g., Galibier or Iseran), it doesn’t have a strict “season” when it’s open — but safe cycling mostly depends on conditions at the time.
🌦️ Typical Annual Weather in the French Alps (Context for Col du Frêne)
The French Alps weather (general patterns you’ll experience on climbs like this):
❄️ Winter (Dec – Mar)
  • Cold temperatures at altitude; often well below 0 °C at higher elevations.
  • Snow and ice common on roads and shoulders (even if the pass isn’t officially closed).
  • Cycling here is usually not enjoyable or safe in winter weather without special equipment. 
🌷 Spring (Apr – May)
  • Transition period: valleys warm up but snow can linger on higher sections.
  • Roads may be clear in lower parts, but higher up snow/mud or closures from winter may still block sections.
  • Variability is high — some warm sunny days, some cold rainy ones. 
☀️ Summer (Jun – Aug)
  • Best overall weather for cycling: warmer temperatures, long daylight.
  • Thunderstorms can occur in afternoons, especially in July & August.
  • Higher passes almost always clear of snow by June — but weather can still change quickly. 
  • Even in summer, it can be cool/cold with wind on the summit compared to the valley.
🍁 Autumn (Sep – Oct)
  • Still generally good for riding early in the season (especially September).
  • Cooler nights and increased chance of rain; snow can start returning late in the season.
  • Traffic tends to be lighter after summer. 
🧭 What to Expect As a Cyclist (Typical Conditions)
Temperature
  • Mountains cool quickly with altitude — for every ~1000 m you climb, temp can drop ~6–7 °C.
  • Days can range from warm in valleys to chilly/near-freezing near summits even in summer. 
Weather Variability
  • Weather in the Alps is famously changeable — sunny mornings can turn into wet, stormy afternoons, especially in summer. 
  • Winter conditions (snow, ice) can linger into spring at higher elevations and reappear in fall. 
Road Conditions
  • Pass paved and generally maintained, but snow and ice can make it dangerous outside summer.
  • Check local sources (tourist office, departmental road info) before riding — conditions can vary yearly.
🧠 Quick Seasonal Summary for Col du Frêne (Cyclists)
SeasonTypical AccessRideability
Winter
(Dec–Mar) | Open but snow/ice likely | ❌ Not recommended
Spring (Apr–May) | Open mostly lower parts | ⚠️ Variable conditions
Summer (Jun–Aug) | Best window — warm, clear | ✅ Ideal
Autumn (Sep–Oct) | Usually open early, cooling later | ⚠️ Good but watch weather
🏁 Short Summary
Col du Frêne itself isn’t usually closed by authorities seasonally — it’s open year-round but weather and snow determine real rideability. In practice, late spring to early autumn (June–September) gives you the most reliable conditions for cycling, with summer offering the best balance of warmth and clear roads. Outside of that, be prepared for cold, snow, and rapidly changing mountain weather and always check local reports before you go

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Location


Weather Forecast

Next 7 Days

Wed
11 Mar
cloud
Moderate rain
06:55 18:35
10° /
Precipitation 19 mm
Humidity 100 %
Thu
12 Mar
water_drop
Rain showers
06:53 18:36
/
Precipitation 9 mm
Humidity 92 %
Fri
13 Mar
cloud
Overcast
06:51 18:38
12° /
Precipitation 0 mm
Humidity 85 %
Sat
14 Mar
ac_unit
Snow
06:49 18:39
/ -1°
Precipitation 17 mm
Humidity 100 %
Sun
15 Mar
ac_unit
Snow
06:47 18:40
/ -1°
Precipitation 0 mm
Humidity 89 %
Mon
16 Mar
cloud
Overcast
06:45 18:42
/
Precipitation 0 mm
Humidity 91 %
Tue
17 Mar
foggy
Fog
06:43 18:43
12° /
Precipitation 0 mm
Humidity 96 %

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 5°C -3°C 15 5.8h 19 244 mm 75 % 2 9h 10m
Feb 8°C -2°C 20 7.9h 8 28 mm 73 % 3 10h 24m
Mar 10°C 0°C 26 8.8h 17 56 mm 70 % 4 11h 57m
Apr 14°C 3°C 26 10.6h 19 151 mm 68 % 5 13h 33m
May 16°C 6°C 25 10.8h 22 138 mm 65 % 6 14h 55m
Jun 24°C 13°C 29 13.7h 12 77 mm 67 % 7 15h 37m
Jul 22°C 12°C 31 13.4h 20 101 mm 66 % 8 15h 16m
Aug 24°C 13°C 30 12.0h 12 86 mm 68 % 7 14h 3m
Sep 17°C 8°C 24 8.5h 20 182 mm 70 % 5 12h 30m
Oct 13°C 4°C 23 7.5h 15 184 mm 72 % 4 10h 55m
Nov 7°C -1°C 18 5.9h 13 159 mm 76 % 2 9h 30m
Dec 7°C -1°C 20 6.0h 8 21 mm 77 % 2 8h 45m