Radweg D11: Ostsee – Oberbayern, stage 13: Rosenheim → Freilassing
On stage 13 (Rosenheim → Freilassing, 90 km) the best month is September: 64% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.8 km/h on average; ERA5 2006–2025, 9:00–18:00).
← Radweg D11: Ostsee – Oberbayern (Whole route)
Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 3% | 32% | 118 | 2 °C | 0% | 97% | 8.8 † |
| February | 13% | 28% | 92 | 4 °C | 0% | 87% | 10.2 † |
| March | 33% | 34% | 110 | 8 °C | 0% | 61% | 11.8 |
| April | 51% | 39% | 110 | 13 °C | 0% | 30% | 13.6 |
| May | 43% | 56% | 207 | 17 °C | 0% | 11% | 15.1 |
| June | 47% | 51% | 197 | 21 °C | 3% | 1% | 16.0 |
| July | 45% | 51% | 196 | 22 °C | 5% | 0% | 15.6 |
| August | 54% | 42% | 186 | 22 °C | 4% | 0% | 14.3 |
| September | 64% | 35% | 151 | 18 °C | 0% | 7% | 12.5 |
| October | 60% | 29% | 116 | 13 °C | 0% | 25% | 10.7 † |
| November | 26% | 25% | 93 | 7 °C | 0% | 71% | 9.2 † |
| December | 4% | 31% | 111 | 3 °C | 0% | 96% | 8.4 † |
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
| Month | Wind Rosenheim → Freilassing, km/h | Headwind > 15 km/h, Rosenheim → Freilassing | Headwind > 15 km/h, Freilassing → Rosenheim | Better way |
|---|---|---|---|---|
| January | +2.3 | 0% | 2% | Rosenheim → Freilassing |
| February | +1.5 | 0% | 2% | either |
| March | +1.8 | 0% | 3% | either |
| April | +1.1 | 0% | 2% | either |
| May | +1.3 | 0% | 1% | either |
| June | +1.4 | 0% | 0% | either |
| July | +2.2 | 0% | 1% | Rosenheim → Freilassing |
| August | +1.2 | 0% | 0% | either |
| September | +0.8 | 0% | 0% | either |
| October | +0.7 | 0% | 1% | either |
| November | +1.0 | 0% | 1% | either |
| December | +1.5 | 0% | 1% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 1,524–1,549 | E | +1.6 |
| 1,549–1,574 | E | +0.7 |
| 1,574–1,600 | E | +0.1 |
| 1,600–1,614 | E | +0.9 |
Other stages
- Warnemünde → Waren 142 km
- Waren → Zehdenick 138 km
- Zehdenick → Potsdam 122 km
- Potsdam → Gräfenhainichen 124 km
- Gräfenhainichen → Halle (Saale) 142 km
- Halle (Saale) → Jena 114 km
- Jena → Rosenthal 137 km
- Rosenthal → Lichtenfels 134 km
- Lichtenfels → Nuremberg 117 km
- Nuremberg → Kelheim 128 km
- Kelheim → Freising 127 km
- Freising → Rosenheim 105 km
- Rosenheim → Freilassing 90 km
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.