What are the cycling conditions like in Simplonpass?

🚴♂️ Simplonpass: Opening & Access Open year‑round for motor vehicles and cyclists. Unlike many high Alpine passes that close in winter, Simplon is maintained and generally stays open throughout the year. Winter conditions can still be severe. Even though the road is technically open, sections may be snow‑covered or icy , especially in winter/early spring. Because it’s a major transit route, Swiss authorities clear it faster and earlier than many other passes, but conditions can still be rough — sometimes snow can linger well into late spring. 📌 Key point: “Open year‑round” doesn’t mean easy or warm — the pass is usually snow‑free for cars later than typical cycling season, but not necessarily safe/comfortable for many cyclists in winter. 🌦️ Typical Weather Conditions to Expect Late Spring – Early Summer (May–June) Snow often still present at high elevation early in the season; roads might be wet or icy until fully melted. Temperatures at the pass summit (~2000 m) can be quite cool even in June — often 5–15 °C during the day. Weather can shift quickly — sun, wind, rain and snow are all possible on the same day. Peak Summer (July–August) Most reliable time for cycling: warmer days , less chance of snow, and long daylight hours. However, showers and mountain thunderstorms still common, especially in the afternoon. Autumn (September–October) Often very pleasant with cooler temperatures, lower traffic and stable weather — prime season for cyclists . Snow may start to return at higher elevations late October; cooler nights. Winter (November–April) Snow and ice are normal; roads are plowed for cars but conditions are generally not ideal or safe for road cycling unless you are prepared for extreme cold and winter surfaces. Temperatures around or below freezing are common at the summit. 🧭 What Cyclists Should Prepare For ✅ Gear: warm layers, windproof/waterproof clothing, gloves, and possibly winter cycling gear early/late season. ✅ Road surfaces: even if the pass is open, icy patches or residual snow can linger in spring and late autumn. ✅ Traffic: the pass is a major road with vehicles, so it’s busier than some quieter climbs. Even in “open” season, watch for cars, trucks and construction zones. ✅ Check conditions before you go: Swiss official sources (e.g., alpine pass status sites) update snow/ice conditions daily — essential for safety. 📊 Simplonpass Quick Facts Altitude: ~2,005 m at summit. Climb: ~19–20 km from Brig with ~1,200–1,500 m elevation gain. Typical Route: Brig → pass → Domodossola; popular but demanding for cyclists.

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

✓ Open Valais, CH

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Pass Information

2,006m

Elevation

9.0%

Max Gradient

67.0 km

Length

Current status: closed

Opening Period: Ganzjährig offen

Current Conditions

Winter tyres are obligatory for the whole winter period. Depending on ithe weather conditions, snow chains may be obligatory over a short period, or the pass may close completely. Vehicle transport possible through the Simplon

Wed

11 Mar

ac_unit

Snow showers

06:48 — 18:27

2° / -2°

Precipitation 2 mm

Humidity 95 %

🚴‍♂️ Simplonpass: Opening & Access

Open year‑round for motor vehicles and cyclists. Unlike many high Alpine passes that close in winter, Simplon is maintained and generally stays open throughout the year.
Winter conditions can still be severe. Even though the road is technically open, sections may be snow‑covered or icy, especially in winter/early spring.
Because it’s a major transit route, Swiss authorities clear it faster and earlier than many other passes, but conditions can still be rough — sometimes snow can linger well into late spring.

📌 Key point: “Open year‑round” doesn’t mean easy or warm — the pass is usually snow‑free for cars later than typical cycling season, but not necessarily safe/comfortable for many cyclists in winter.

🌦️ Typical Weather Conditions to Expect

Late Spring – Early Summer (May–June)

Snow often still present at high elevation early in the season; roads might be wet or icy until fully melted.
Temperatures at the pass summit (~2000 m) can be quite cool even in June — often 5–15 °C during the day.
Weather can shift quickly — sun, wind, rain and snow are all possible on the same day.

Peak Summer (July–August)

Most reliable time for cycling: warmer days, less chance of snow, and long daylight hours.
However, showers and mountain thunderstorms still common, especially in the afternoon.

Autumn (September–October)

Often very pleasant with cooler temperatures, lower traffic and stable weather — prime season for cyclists.
Snow may start to return at higher elevations late October; cooler nights.

Winter (November–April)

Snow and ice are normal; roads are plowed for cars but conditions are generally not ideal or safe for road cycling unless you are prepared for extreme cold and winter surfaces.
Temperatures around or below freezing are common at the summit.

🧭 What Cyclists Should Prepare For

✅ Gear: warm layers, windproof/waterproof clothing, gloves, and possibly winter cycling gear early/late season.
✅ Road surfaces: even if the pass is open, icy patches or residual snow can linger in spring and late autumn.
✅ Traffic: the pass is a major road with vehicles, so it’s busier than some quieter climbs. Even in “open” season, watch for cars, trucks and construction zones.
✅ Check conditions before you go: Swiss official sources (e.g., alpine pass status sites) update snow/ice conditions daily — essential for safety.

📊 Simplonpass Quick Facts

Altitude: ~2,005 m at summit.
Climb: ~19–20 km from Brig with ~1,200–1,500 m elevation gain.
Typical Route: Brig → pass → Domodossola; popular but demanding for cyclists.

Check weather on own route

Location

Weather Forecast

Next 7 Days

Wed

11 Mar

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Snow showers

06:48 — 18:27

2° / -2°

Precipitation 2 mm

Humidity 95 %

Thu

12 Mar

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Snow

06:46 — 18:28

2° / -2°

Precipitation 5 mm

Humidity 100 %

Fri

13 Mar

cloud

Overcast

06:44 — 18:30

3° / -4°

Precipitation 0 mm

Humidity 76 %

Sat

14 Mar

ac_unit

Snow showers

06:42 — 18:31

0° / -7°

Precipitation 56 mm

Humidity 93 %

Sun

15 Mar

ac_unit

Snow showers

06:40 — 18:33

1° / -8°

Precipitation 27 mm

Humidity 98 %

Mon

16 Mar

ac_unit

Snow showers

06:38 — 18:34

-1° / -5°

Precipitation 3 mm

Humidity 99 %

Tue

17 Mar

ac_unit

Snow

06:36 — 18:35

3° / -5°

Precipitation 0 mm

Humidity 96 %

Climate Overview

Month	Temp Day	Temp Night	Sunny Days	Sun Hours	Rain Days	Precipitation	Humidity	UV Index	Day Length
Jan	-2°C	-11°C	16	5.6h	22	144 mm	75 %	2	9h 6m
Feb	0°C	-9°C	20	7.4h	13	44 mm	73 %	3	10h 22m
Mar	1°C	-8°C	24	9.0h	15	124 mm	70 %	4	11h 56m
Apr	5°C	-3°C	23	10.1h	15	263 mm	68 %	5	13h 35m
May	8°C	-1°C	25	10.8h	19	111 mm	65 %	6	14h 59m
Jun	19°C	7°C	29	13.5h	22	106 mm	67 %	7	15h 43m
Jul	16°C	5°C	31	13.0h	21	151 mm	66 %	8	15h 20m
Aug	18°C	7°C	29	11.8h	13	139 mm	68 %	7	14h 6m
Sep	12°C	2°C	25	9.5h	20	239 mm	70 %	5	12h 31m
Oct	8°C	-2°C	20	7.9h	15	107 mm	72 %	4	10h 53m
Nov	0°C	-9°C	21	6.7h	14	85 mm	76 %	2	9h 26m
Dec	0°C	-8°C	17	5.9h	16	72 mm	77 %	2	8h 41m