What are the cycling conditions like in Col de la Couillole?

🚴 Year-round conditions for cyclists ❄️ Winter (≈ Nov – Mar) High mountains typically experience heavy snow and icy roads making passes unsafe or impassable. Even mid-altitude cols can be blocked or closed until snow clears. Expect sub-zero summit temps, ice patches, and avalanche risk on alpine roads. 👉 Reality: Not rideable most winters. 🌱 Spring (Apr – early Jun) Weather is unpredictable: sun → cold rain → snow in one day. Snow can linger on shaded sections and near summits even after roads reopen. Some passes don’t fully open until early/mid-June depending on winter snowpack. 👉 Reality: Possible but risky; closures and cold descents likely. ☀️ Summer (mid-Jun – Sep) Main cycling season across Alpine passes. Warm valleys + cool summits are normal; big temperature swings are common. Sudden rain showers or thunderstorms can develop quickly. 👉 Reality: Best time — stable roads, open access, safest conditions. 🍂 Autumn (Oct – early Nov) Still warm early autumn (≈21 °C avg highs in Sept regionally). Early snowfalls may close passes suddenly. Days shorter, descents colder, winds stronger. 👉 Reality: Good early-autumn rides; late season is unpredictable. 🌦️ What cyclists should expect (practical tips) Temperature drop of 10–25 °C between valley and summit is normal in mountains. Afternoon storms are common → start climbs early. Always bring: windproof layer gloves descent jacket emergency calories 🧭 Typical open / closed pattern (Exact dates vary yearly depending on snowfall & clearing.) Likely open: ~May/June → October Likely closed or risky: ~November → April This pattern matches typical Alpine pass behavior where snow dictates access rather than fixed dates. ✅ Short summary Col de la Couillole is usually rideable June–September. Spring and autumn rides are possible but unpredictable, while winter is generally closed or unsafe due to snow and ice. Expect large temperature swings, sudden storms, and always bring layers.

Back to Alpine Passes

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

✓ Open

Visit alpen-paesse.ch

Pass Information

1,678m

Elevation

Current status: open

Opening Period: Ganzjährig offen

Current Conditions

The Col de la Couillole (RD 30 - Beuil) is open in both directions. There are specific vehicle width and length restrictions on nearby roads RD28 and RM130 due to narrow and winding routes.

Wed

11 Mar

cloud

Overcast

06:51 — 18:32

6° / -3°

Precipitation 0 mm

Humidity 89 %

🚴 Year-round conditions for cyclists

❄️ Winter (≈ Nov – Mar)

High mountains typically experience heavy snow and icy roads making passes unsafe or impassable.
Even mid-altitude cols can be blocked or closed until snow clears.
Expect sub-zero summit temps, ice patches, and avalanche risk on alpine roads.

👉 Reality: Not rideable most winters.

🌱 Spring (Apr – early Jun)

Weather is unpredictable: sun → cold rain → snow in one day.
Snow can linger on shaded sections and near summits even after roads reopen.
Some passes don’t fully open until early/mid-June depending on winter snowpack.

👉 Reality: Possible but risky; closures and cold descents likely.

☀️ Summer (mid-Jun – Sep)

Main cycling season across Alpine passes.
Warm valleys + cool summits are normal; big temperature swings are common.
Sudden rain showers or thunderstorms can develop quickly.

👉 Reality: Best time — stable roads, open access, safest conditions.

🍂 Autumn (Oct – early Nov)

Still warm early autumn (≈21 °C avg highs in Sept regionally).
Early snowfalls may close passes suddenly.
Days shorter, descents colder, winds stronger.

👉 Reality: Good early-autumn rides; late season is unpredictable.

🌦️ What cyclists should expect (practical tips)

Temperature drop of 10–25 °C between valley and summit is normal in mountains.
Afternoon storms are common → start climbs early.
Always bring:
- windproof layer
- gloves
- descent jacket
- emergency calories

🧭 Typical open / closed pattern

(Exact dates vary yearly depending on snowfall & clearing.)

Likely open: ~May/June → October
Likely closed or risky: ~November → April

This pattern matches typical Alpine pass behavior where snow dictates access rather than fixed dates.

✅ Short summary

Col de la Couillole is usually rideable June–September. Spring and autumn rides are possible but unpredictable, while winter is generally closed or unsafe due to snow and ice. Expect large temperature swings, sudden storms, and always bring layers.

Check weather on own route

Location

Weather Forecast

Next 7 Days

Wed

11 Mar

cloud

Overcast

06:51 — 18:32

6° / -3°

Precipitation 0 mm

Humidity 89 %

Thu

12 Mar

foggy

Fog

06:49 — 18:33

7° / 0°

Precipitation 0 mm

Humidity 95 %

Fri

13 Mar

foggy

Fog

06:47 — 18:35

8° / -1°

Precipitation 0 mm

Humidity 98 %

Sat

14 Mar

ac_unit

Snow

06:45 — 18:36

1° / -1°

Precipitation 26 mm

Humidity 100 %

Sun

15 Mar

ac_unit

Snow

06:43 — 18:37

4° / -1°

Precipitation 2 mm

Humidity 100 %

Mon

16 Mar

cloud

Overcast

06:42 — 18:38

8° / 0°

Precipitation 0 mm

Humidity 90 %

Tue

17 Mar

cloud

Overcast

06:40 — 18:40

9° / 2°

Precipitation 0 mm

Humidity 86 %

Climate Overview

Month	Temp Day	Temp Night	Sunny Days	Sun Hours	Rain Days	Precipitation	Humidity	UV Index	Day Length
Jan	3°C	-6°C	22	6.4h	18	135 mm	75 %	2	9h 19m
Feb	3°C	-7°C	21	7.7h	9	14 mm	73 %	3	10h 29m
Mar	5°C	-6°C	25	9.1h	14	113 mm	70 %	4	11h 57m
Apr	11°C	-1°C	24	9.7h	22	124 mm	68 %	5	13h 28m
May	13°C	1°C	31	12.7h	25	126 mm	65 %	6	14h 46m
Jun	21°C	9°C	29	14.2h	17	68 mm	67 %	7	15h 26m
Jul	20°C	8°C	31	13.9h	12	46 mm	66 %	8	15h 6m
Aug	21°C	9°C	29	12.3h	16	65 mm	68 %	7	13h 57m
Sep	16°C	5°C	28	10.8h	11	47 mm	70 %	5	12h 29m
Oct	11°C	1°C	29	9.3h	11	76 mm	72 %	4	10h 58m
Nov	5°C	-4°C	23	7.4h	12	83 mm	76 %	2	9h 38m
Dec	3°C	-6°C	20	6.0h	13	74 mm	77 %	2	8h 56m