What are the cycling conditions like in Grossglockner Hochalpenstrasse?

🚴♂️ Seasonal Access & Opening Period ❄️ Winter — Early November to Early May The road is completely closed for winter due to heavy snow and impassable conditions at high altitude. Snow depths can reach many meters, and clearance work doesn’t finish until late April or early May. Cyclists should not plan rides during this period — it’s unsafe and unrideable. 🌷 Spring — May Opening typically early May , subject to snow clearance and weather conditions. At the very start of spring, significant snow walls may still line parts of the road even though it’s officially open. Weather is very unpredictable: snow, chilly winds, fog, and cold rain are possible — especially at higher elevations. Temperatures: cool to cold at altitude — often significantly colder than valley towns. Cyclist notes Early-season rides mean very cold descents — bring adequate layers. Snow at the roadside isn’t rare in early May. ☀️ Summer — June to August Best overall months for cycling. The road is fully open, and snow clearance is finished. Weather: days are warmer in the valleys, but temperatures drop sharply with altitude — it can still be cold near Hochtor (≈2500 m). Afternoon thunderstorms are common in the Alps — weather can change rapidly. Cyclist notes June–July: the classic season with scenic snow remnants + blooming alpine meadows. July–August: long daylight, stable weather more often, but still rapid change possible. Prepare for wide temperature swings (hot low down → cold high up). 🍁 Autumn — September to Early November Road stays open through late October / early November depending on snow arrival. September–October: can be superb — crisp air, lighter traffic, and autumn colours. Late autumn runs a higher risk of early snowfall or sudden hands-on winter conditions even before official closure. Cyclist notes Excellent riding, but always check weather — conditions are less stable than midsummer. 🌦️ Weather & Riding Conditions by Season SeasonTemp / ConditionsCycling ConsiderationsMay | Cold at altitude, snow walls, unsettled | Bring full layers; unpredictable showers/snow possible Jun–Aug | Mild to cool; thunderstorms possible | Best conditions; plan early starts to avoid storms Sep–Oct | Cool; crisp & scenic | Great views; potential early snow/weather swings Winter | Snowy, impassable | Road closed Weather at altitude changes quickly — sun can turn to rain or even snow within hours. 🧠 Tips for Cyclists on Grossglockner Expect significant elevation gain (~48 km route with many hairpins). No e-bike charging stations along the road. Ride outside peak traffic hours (early morning or late afternoon) when possible. Bring layered clothing and windproof gear — even summer descents can be chilly or wet. Always check the official road opening status near your travel date, as late snow or storms can delay openings or trigger temporary closures. 📍 Summary Grossglockner Hochalpenstrasse is typically open for cycling from early May to late October / early November . Best cycling season: June through September — more stable weather and fully clear roads. Early season (May) can still feel wintry with snow walls and cold conditions. Autumn (Sep–Oct) is scenic but comes with cooler weather and higher closure risk. For a successful and safe ride, aim for summer months with good weather forecasts, prepare for big temperature changes, and check official road status before heading out.

Back to Alpine Passes

Detailed cycling weather forecast for Grossglockner Hochalpenstrasse. See wind direction, temperature and rain along the entire climb and descent.

✗ Closed Salzburger Land/Kärnten, AT

Visit alpen-paesse.ch

Pass Information

2,504m

Elevation

12.0%

Max Gradient

48.0 km

Length

Current status: closed

Opening Period: Wintersperre

Wed

11 Mar

ac_unit

Snow showers

06:29 — 18:08

-3° / -7°

Precipitation 0 mm

Humidity 100 %

🚴‍♂️ Seasonal Access & Opening Period

❄️ Winter — Early November to Early May

The road is completely closed for winter due to heavy snow and impassable conditions at high altitude. Snow depths can reach many meters, and clearance work doesn’t finish until late April or early May.
Cyclists should not plan rides during this period — it’s unsafe and unrideable.

🌷 Spring — May

Opening typically early May, subject to snow clearance and weather conditions.
At the very start of spring, significant snow walls may still line parts of the road even though it’s officially open.
Weather is very unpredictable: snow, chilly winds, fog, and cold rain are possible — especially at higher elevations.
Temperatures: cool to cold at altitude — often significantly colder than valley towns.

Cyclist notes

Early-season rides mean very cold descents — bring adequate layers.
Snow at the roadside isn’t rare in early May.

☀️ Summer — June to August

Best overall months for cycling.
The road is fully open, and snow clearance is finished.
Weather: days are warmer in the valleys, but temperatures drop sharply with altitude — it can still be cold near Hochtor (≈2500 m).
Afternoon thunderstorms are common in the Alps — weather can change rapidly.

Cyclist notes

June–July: the classic season with scenic snow remnants + blooming alpine meadows.
July–August: long daylight, stable weather more often, but still rapid change possible.
Prepare for wide temperature swings (hot low down → cold high up).

🍁 Autumn — September to Early November

Road stays open through late October / early November depending on snow arrival.
September–October: can be superb — crisp air, lighter traffic, and autumn colours.
Late autumn runs a higher risk of early snowfall or sudden hands-on winter conditions even before official closure.

Cyclist notes

Excellent riding, but always check weather — conditions are less stable than midsummer.

🌦️ Weather & Riding Conditions by Season

Weather at altitude changes quickly — sun can turn to rain or even snow within hours.

🧠 Tips for Cyclists on Grossglockner

Expect significant elevation gain (~48 km route with many hairpins).
No e-bike charging stations along the road.
Ride outside peak traffic hours (early morning or late afternoon) when possible.
Bring layered clothing and windproof gear — even summer descents can be chilly or wet.
Always check the official road opening status near your travel date, as late snow or storms can delay openings or trigger temporary closures.

📍 Summary

Grossglockner Hochalpenstrasse is typically open for cycling from early May to late October / early November.

Best cycling season: June through September — more stable weather and fully clear roads.
Early season (May) can still feel wintry with snow walls and cold conditions.
Autumn (Sep–Oct) is scenic but comes with cooler weather and higher closure risk.

For a successful and safe ride, aim for summer months with good weather forecasts, prepare for big temperature changes, and check official road status before heading out.

Check weather on own route

Location

Weather Forecast

Next 7 Days

Wed

11 Mar

ac_unit

Snow showers

06:29 — 18:08

-3° / -7°

Precipitation 0 mm

Humidity 100 %

Thu

12 Mar

ac_unit

Snow showers

06:27 — 18:09

-3° / -6°

Precipitation 0 mm

Humidity 100 %

Fri

13 Mar

foggy

Fog

06:25 — 18:10

-2° / -7°

Precipitation 0 mm

Humidity 100 %

Sat

14 Mar

ac_unit

Snow showers

06:23 — 18:12

-4° / -7°

Precipitation 3 mm

Humidity 100 %

Sun

15 Mar

ac_unit

Snow showers

06:21 — 18:13

-5° / -6°

Precipitation 12 mm

Humidity 100 %

Mon

16 Mar

ac_unit

Snow showers

06:19 — 18:15

-4° / -7°

Precipitation 4 mm

Humidity 100 %

Tue

17 Mar

ac_unit

Snow

06:17 — 18:16

-6° / -9°

Precipitation 11 mm

Humidity 91 %

Climate Overview

Month	Temp Day	Temp Night	Sunny Days	Sun Hours	Rain Days	Precipitation	Humidity	UV Index	Day Length
Jan	-6°C	-12°C	18	5.4h	16	94 mm	75 %	2	9h
Feb	-5°C	-11°C	22	7.5h	14	45 mm	73 %	3	10h 19m
Mar	-3°C	-9°C	22	7.7h	16	110 mm	70 %	4	11h 56m
Apr	0°C	-7°C	23	9.2h	17	82 mm	68 %	5	13h 37m
May	2°C	-4°C	23	9.3h	24	162 mm	65 %	6	15h 5m
Jun	12°C	4°C	29	13.1h	24	134 mm	67 %	7	15h 50m
Jul	9°C	2°C	29	10.9h	29	239 mm	66 %	8	15h 27m
Aug	11°C	4°C	28	11.6h	28	153 mm	68 %	7	14h 9m
Sep	8°C	1°C	23	8.9h	20	127 mm	70 %	5	12h 32m
Oct	0°C	-6°C	22	7.5h	15	95 mm	72 %	4	10h 51m
Nov	-3°C	-10°C	22	6.6h	13	99 mm	76 %	2	9h 21m
Dec	-4°C	-10°C	23	6.3h	8	31 mm	77 %	2	8h 34m