What are the cycling conditions like in Col de Plainpalais?

🌦️ General Climatic Patterns (Chambéry & Surroundings) Since the pass rises from Chambéry region, these average conditions are representative for planning (temperatures will be somewhat cooler at the summit): ☀️ Spring (Mar–May) Temps: cool to mild; March ~8 °C avg, May ~14 °C avg in Chambéry. Weather: still variable — possible snow early in spring, especially at higher elevations. Cycling: safest later in spring (May) when roads are clear and snow has melted. ☀️ Summer (Jun–Aug) Temps: warmest season — highs ~24–29 °C in the valley; summit will be ~5–8 °C cooler. Conditions: generally pleasant for cycling; chance of thunderstorms typical in mountains during summer afternoons. Cycling: best season overall; long daylight and warm weather. 🍂 Autumn (Sep–Nov) Temps: cool and decreasing; early autumn nice, late autumn can be cold. Conditions: increasing chance of early snow at elevation into late October/November. Cycling: September and early October good, but watch for early winter conditions later. ❄️ Winter (Dec–Feb) Temps: cold; valley lows often around 0 °C, summit much colder. Snow & ice: quite likely in winter months. Cycling: risky or unpleasant without winter gear; road may have snow/ice even if not officially closed. 🚴♂️ What Cyclists Should Expect by Season Best conditions; dry & warm | Ideal for touring; pack rain/light layers for afternoon storms Late Spring / Early Autumn | Good to mixed | Check snow melt/early snow forecasts Winter | Often icy/snowy | Only suitable with winter cycling setup (fat bikes/guards) Shoulder Months (Mar & Nov) | Unstable | Watch weather closely — sudden cold snaps possible 🔄 Snow & Accessibility Notes Officially open 1 Jan – 31 Dec but rideable only without snow/ice on road . Some mountain passes nearby in Savoie/Alps have seasonal closures due to snow , but Col de Plainpalais is lower and often open if cleared — still, conditions vary yearly. Early and late season rides require checking local snow situation/forecasts . 🧭 Quick Summary Col de Plainpalais is technically open year-round , but in practice: 🌞 Best months for cycling: June to early October — warm weather, long days, usually clear roads. ❄️ Winter months: roads may be snowy or icy — not ideal for typical road cycling. 🌧️ Spring/Fall: variable; ideal in late spring/early fall, but watch for snow at higher elevations. 📍 Always verify conditions before heading out — local weather & tourist offices have up-to-date info.

Back to Alpine Passes

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

✓ Open

Visit alpen-paesse.ch

Pass Information

1,174m

Elevation

Current status: open

Opening Period: Ganzjährig offen

Sun

06 Sep

cloud

Partly cloudy

07:03 — 20:05

25° / 15°

Precipitation 0 mm

Humidity 86 %

🌦️ General Climatic Patterns (Chambéry & Surroundings)

Since the pass rises from Chambéry region, these average conditions are representative for planning (temperatures will be somewhat cooler at the summit):

☀️ Spring (Mar–May)

Temps: cool to mild; March ~8 °C avg, May ~14 °C avg in Chambéry.
Weather: still variable — possible snow early in spring, especially at higher elevations.
Cycling: safest later in spring (May) when roads are clear and snow has melted.

☀️ Summer (Jun–Aug)

Temps: warmest season — highs ~24–29 °C in the valley; summit will be ~5–8 °C cooler.
Conditions: generally pleasant for cycling; chance of thunderstorms typical in mountains during summer afternoons.
Cycling: best season overall; long daylight and warm weather.

🍂 Autumn (Sep–Nov)

Temps: cool and decreasing; early autumn nice, late autumn can be cold.
Conditions: increasing chance of early snow at elevation into late October/November.
Cycling: September and early October good, but watch for early winter conditions later.

❄️ Winter (Dec–Feb)

Temps: cold; valley lows often around 0 °C, summit much colder.
Snow & ice: quite likely in winter months.
Cycling: risky or unpleasant without winter gear; road may have snow/ice even if not officially closed.

🚴‍♂️ What Cyclists Should Expect by Season

Best conditions; dry & warm | Ideal for touring; pack rain/light layers for afternoon storms
Late Spring / Early Autumn | Good to mixed | Check snow melt/early snow forecasts
Winter | Often icy/snowy | Only suitable with winter cycling setup (fat bikes/guards)
Shoulder Months (Mar & Nov) | Unstable | Watch weather closely — sudden cold snaps possible

🔄 Snow & Accessibility Notes

Officially open 1 Jan – 31 Dec but rideable only without snow/ice on road.
Some mountain passes nearby in Savoie/Alps have seasonal closures due to snow, but Col de Plainpalais is lower and often open if cleared — still, conditions vary yearly.
Early and late season rides require checking local snow situation/forecasts.

🧭 Quick Summary

Col de Plainpalais is technically open year-round, but in practice:

🌞 Best months for cycling: June to early October — warm weather, long days, usually clear roads.
❄️ Winter months: roads may be snowy or icy — not ideal for typical road cycling.
🌧️ Spring/Fall: variable; ideal in late spring/early fall, but watch for snow at higher elevations.
📍 Always verify conditions before heading out — local weather & tourist offices have up-to-date info.

Check weather on own route

Location

Weather Forecast

Next 7 Days

Sun

06 Sep

cloud

Partly cloudy

07:03 — 20:05

25° / 15°

Precipitation 0 mm

Humidity 86 %

Mon

07 Sep

cloud

Overcast

07:04 — 20:03

26° / 19°

Precipitation 0 mm

Humidity 64 %

Tue

08 Sep

flash_on

Thunderstorm with hail

07:05 — 20:01

29° / 17°

Precipitation 10 mm

Humidity 94 %

Wed

09 Sep

flash_on

Thunderstorm

07:07 — 19:59

17° / 10°

Precipitation 20 mm

Humidity 99 %

Thu

10 Sep

cloud

Overcast

07:08 — 19:57

17° / 8°

Precipitation 0 mm

Humidity 85 %

Fri

11 Sep

water_drop

Light rain

07:09 — 19:55

14° / 10°

Precipitation 1 mm

Humidity 87 %

Sat

12 Sep

cloud

Overcast

07:10 — 19:53

18° / 8°

Precipitation 0 mm

Humidity 92 %

Climate Overview

Month	Temp Day	Temp Night	Sunny Days	Sun Hours	Rain Days	Precipitation	Humidity	UV Index	Day Length
Jan	4°C	-3°C	16	5.9h	17	245 mm	75 %	2	9h 10m
Feb	6°C	-2°C	20	7.7h	11	88 mm	73 %	3	10h 24m
Mar	8°C	0°C	27	8.9h	15	83 mm	70 %	4	11h 56m
Apr	12°C	3°C	26	10.5h	21	168 mm	68 %	5	13h 33m
May	14°C	6°C	25	10.8h	21	171 mm	65 %	6	14h 56m
Jun	22°C	13°C	29	13.7h	13	131 mm	67 %	7	15h 38m
Jul	20°C	11°C	31	13.3h	23	163 mm	66 %	8	15h 16m
Aug	22°C	13°C	30	12.1h	10	78 mm	68 %	7	14h 3m
Sep	15°C	8°C	23	8.3h	20	172 mm	70 %	5	12h 30m
Oct	11°C	3°C	23	7.3h	15	184 mm	72 %	4	10h 54m
Nov	6°C	-2°C	17	6.1h	14	197 mm	76 %	2	9h 29m
Dec	6°C	-1°C	21	6.0h	13	33 mm	77 %	2	8h 45m