EuroVelo 15 – Rhine Cycle Route, stage 2: Buchs → Konstanz

On stage 2 (Buchs → Konstanz, 106 km) the best month is September: 70% of days were dry with highs of 10–30 °C; the wind barely favours either direction (1.6 km/h on average; ERA5 2006–2025, 9:00–18:00).

ERA5 2006–2025 · OpenStreetMap · Methodology and sources

← EuroVelo 15 – Rhine Cycle Route (Whole route)

106 kmLength

SeptemberBest months

eitherBetter direction in the best month

1.6 km/hAverage tailwind in the best month

70%Dry days with 10–30 °C

August · 58%Best summer month

Start: Buchs · Finish: Konstanz · Route geometry: OpenStreetMap / Waymarked Trails

Weather by month

Good days

Month	Good days	Rain days ≥ 1 mm	Rain, mm	Avg high	Days ≥ 30 °C	Days < 10 °C	Daylight, h
January	4%	27%	106	3 °C	0%	95%	8.8 †
February	14%	25%	79	5 °C	0%	84%	10.2 †
March	36%	31%	99	9 °C	0%	58%	11.8
April	57%	31%	103	14 °C	0%	27%	13.6
May	52%	47%	171	17 °C	0%	7%	15.1
June	55%	43%	172	21 °C	3%	0%	15.9
July	54%	41%	177	23 °C	6%	0%	15.6
August	58%	38%	191	22 °C	4%	0%	14.2
September	70%	29%	129	18 °C	0%	3%	12.5
October	64%	27%	106	14 °C	0%	19%	10.8 †
November	28%	26%	102	8 °C	0%	68%	9.2 †
December	5%	32%	113	4 °C	0%	94%	8.5 †

Best months are all months within 3 percentage points of the best one. † less than 11 hours of daylight — long stages get tight.

Wind by month

Wind Buchs → Konstanz, km/h

Month	Wind Buchs → Konstanz, km/h	Headwind > 15 km/h, Buchs → Konstanz	Headwind > 15 km/h, Konstanz → Buchs	Better way
January	+0.3	1%	0%	either
February	−0.3	1%	0%	either
March	−1.3	1%	0%	either
April	−1.8	1%	0%	either
May	−2.2	1%	0%	Konstanz → Buchs
June	−2.3	1%	0%	Konstanz → Buchs
July	−2.3	1%	0%	Konstanz → Buchs
August	−1.9	0%	0%	either
September	−1.6	0%	0%	either
October	−0.6	0%	0%	either
November	−0.1	1%	0%	either
December	+0.9	0%	0%	either

Along the route (sections of about 25 km)

km	Heading	Tailwind in September, km/h
130–155	N	−2.1
155–180	N	−1.2
180–206	W	−1.4
206–231	NW	−1.7
231–236	W	−0.7

Other stages

How to read the numbers

Wind is the 10 m wind of a 25-km grid cell, daytime hours 9:00–18:00 local solar time; at saddle height in a sheltered valley it is weaker, on a coast or ridge stronger. A positive value is a tailwind. ERA5 slightly over-counts days with ≥ 1 mm of rain (by about 5–7 percentage points) and underestimates daily highs by 1–2 °C. Good day = less than 1 mm of rain between 9:00 and 18:00 (riding hours, local solar time) and a high between 10 and 30 °C; rain at night or in the evening does not spoil it.