Back to Alpine Passes
Visit alpen-paesse.ch
Detailed cycling weather forecast for Passo di Giau. See wind direction, temperature and rain along the entire climb and descent.
✓ Open
Venetien, IT
Pass Information
2,236m
Elevation
13.0%
Max Gradient
10.0 km
Length
Current status:
open
Opening Period:
Wintersperre
Thu
14 May
ac_unit
Snow showers
05:39
—
20:37
0°
/
-2°
Precipitation
8 mm
Humidity
100 %
🚴♂️ Road Status & Seasonality
- Typical cycling season: High mountain passes like Passo di Giau in the Dolomites are generally snow‑free and fully open for cycling from late June through August.
- Shoulder periods: Late May–early July and September–early October can be good, but snow or temporary closures are still possible, depending on the winter/spring snowpack and weather.
- Winter & early spring: Roads often have snow and ice; cycling is not recommended and sections may be closed — though sometimes the road remains technically open with snow removal depending on conditions.
- Note: SP638 (the pass road) can be closed seasonally due to snow at times outside peak summer.
🌦️ Current & Forecast Weather (Example)
(General pattern — check a precise weather service before your ride for exact dates.)
- Temperatures: At high altitudes, temps will be cold to cool even in summer, and at other times likely near or below freezing — you can expect sharper cold on the summit compared to valleys.
- Precipitation: Mountain weather is changeable — afternoon showers and even snow at elevation are possible outside peak summer.
- Wind: Expect breezy conditions near the top, potentially with gusts — which can make descents chilly.
- Visibility: Clouds and fog can reduce visibility quickly in these mountains — particularly with unstable weather systems.
⚠️ Current winter forecasts show snow and cold conditions typical for the off‑season, but in summer these would shift to mild days with lower chances of precipitation. Always check a real‑time forecast close to your ride.
📍 Cycling Conditions to Expect
🚵♂️ In the cycling season (summer)
- Road surface: Tarmacked, narrow Alpine road — good quality but limited shoulder space; be visible and cautious.
- Traffic: Moderate to heavy during peak times and weekends; early starts help beat traffic.
- Temperatures: Cool at summit — bring layers (windproof/warm jersey) even on warm valley days.
- Rain & storms: Afternoon thunderstorms are a mountain classic — plan climbs in the morning if possible.
❄️ Off‑season (winter/spring/late autumn)
- Snow & ice: The road at altitude is often snowy or icy outside July–September, making cycling unsafe.
- Possible closures: Sections may be blocked by snow‑clearing or avalanche risk; check local road status closer to your date.
🧠 Tips for Cyclists
- Best months: July & August — most reliable for fully open roads and safer conditions.
- Check webcam/local updates: Pass conditions can vary year‑to‑year with snow and weather patterns.
- Layering & gear: Pack layers, rain gear, and warm gloves for summit temps; mountain weather changes quickly.
- Timing: Start early to avoid afternoon storms and tourist traffic.
📌 Short Summary
✔️ Open for cycling: Generally July–August, with possible good windows late June and early September.
❄️ Closed or risky: Winter to late spring — snow and ice often make cycling unsafe.
🌦️ Weather: Changeable — warm valley days can turn cool/windy at altitude; thunderstorms possible in summer.
🚴♂️ What to expect: High‑mountain conditions — plan clothing, check forecasts, and aim for morning rides for best conditions.
❄️ Closed or risky: Winter to late spring — snow and ice often make cycling unsafe.
🌦️ Weather: Changeable — warm valley days can turn cool/windy at altitude; thunderstorms possible in summer.
🚴♂️ What to expect: High‑mountain conditions — plan clothing, check forecasts, and aim for morning rides for best conditions.
Check weather on own route
Location
Weather Forecast
Next 7 Days
Thu
14 May
ac_unit
Snow showers
05:39
—
20:37
0°
/
-2°
Precipitation
8 mm
Humidity
100 %
Fri
15 May
ac_unit
Snow showers
05:37
—
20:38
-1°
/
-4°
Precipitation
14 mm
Humidity
100 %
Sat
16 May
ac_unit
Snow
05:36
—
20:39
3°
/
-2°
Precipitation
3 mm
Humidity
96 %
Sun
17 May
water_drop
Light rain
05:35
—
20:40
5°
/
-3°
Precipitation
0 mm
Humidity
72 %
Mon
18 May
cloud
Partly cloudy
05:34
—
20:41
6°
/
-3°
Precipitation
0 mm
Humidity
72 %
Tue
19 May
cloud
Overcast
05:33
—
20:43
6°
/
-2°
Precipitation
0 mm
Humidity
83 %
Wed
20 May
cloud
Overcast
05:32
—
20:44
9°
/
0°
Precipitation
0 mm
Humidity
85 %
Climate Overview
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | -3°C | -11°C | 21 | 6.0h | 14 | 65 mm | 75 % | 2 | 9h 4m |
| Feb | -1°C | -9°C | 18 | 6.9h | 10 | 39 mm | 73 % | 3 | 10h 20m |
| Mar | 0°C | -7°C | 23 | 8.6h | 16 | 86 mm | 70 % | 4 | 11h 56m |
| Apr | 4°C | -4°C | 22 | 9.3h | 18 | 121 mm | 68 % | 5 | 13h 36m |
| May | 8°C | 0°C | 25 | 10.6h | 22 | 170 mm | 65 % | 6 | 15h 2m |
| Jun | 17°C | 7°C | 30 | 13.4h | 20 | 103 mm | 67 % | 7 | 15h 45m |
| Jul | 14°C | 5°C | 29 | 12.3h | 27 | 197 mm | 66 % | 8 | 15h 23m |
| Aug | 15°C | 6°C | 28 | 11.6h | 21 | 113 mm | 68 % | 7 | 14h 7m |
| Sep | 12°C | 3°C | 25 | 9.5h | 19 | 93 mm | 70 % | 5 | 12h 31m |
| Oct | 5°C | -3°C | 26 | 8.4h | 10 | 50 mm | 72 % | 4 | 10h 52m |
| Nov | 0°C | -8°C | 21 | 6.9h | 10 | 81 mm | 76 % | 2 | 9h 24m |
| Dec | 0°C | -8°C | 22 | 6.4h | 11 | 19 mm | 77 % | 2 | 8h 38m |