EuroVelo 10 - Baltic Sea Cycle Route - part Finland, stage 11: Raseborg → Helsinki
On stage 11 (Raseborg → Helsinki, 124 km) the best month is June: 78% of days were dry with highs of 10–30 °C, and riding Raseborg → Helsinki meant an average tailwind of 5.0 km/h (ERA5 2006–2025, 9:00–18:00).
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Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 0% | 23% | 57 | -2 °C | 0% | 100% | 6.7 † |
| February | 0% | 20% | 44 | -2 °C | 0% | 100% | 9.0 † |
| March | 1% | 15% | 37 | 2 °C | 0% | 99% | 11.6 |
| April | 22% | 16% | 38 | 7 °C | 0% | 77% | 14.5 |
| May | 68% | 18% | 42 | 14 °C | 0% | 21% | 17.1 |
| June | 78% | 22% | 56 | 18 °C | 0% | 1% | 18.8 |
| July | 75% | 24% | 65 | 21 °C | 0% | 0% | 18.1 |
| August | 74% | 26% | 75 | 20 °C | 0% | 0% | 15.6 |
| September | 73% | 23% | 62 | 15 °C | 0% | 5% | 12.7 |
| October | 33% | 23% | 68 | 9 °C | 0% | 54% | 10.0 † |
| November | 3% | 24% | 62 | 5 °C | 0% | 96% | 7.3 † |
| December | 0% | 25% | 64 | 1 °C | 0% | 100% | 5.9 † |
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 Raseborg → Helsinki, km/h | Headwind > 15 km/h, Raseborg → Helsinki | Headwind > 15 km/h, Helsinki → Raseborg | Better way |
|---|---|---|---|---|
| January | +2.7 | 9% | 20% | Raseborg → Helsinki |
| February | +2.4 | 7% | 15% | Raseborg → Helsinki |
| March | +3.6 | 9% | 20% | Raseborg → Helsinki |
| April | +3.5 | 7% | 17% | Raseborg → Helsinki |
| May | +3.3 | 8% | 16% | Raseborg → Helsinki |
| June | +5.0 | 6% | 21% | Raseborg → Helsinki |
| July | +4.3 | 6% | 18% | Raseborg → Helsinki |
| August | +3.9 | 7% | 18% | Raseborg → Helsinki |
| September | +4.0 | 7% | 21% | Raseborg → Helsinki |
| October | +4.5 | 8% | 22% | Raseborg → Helsinki |
| November | +3.6 | 8% | 20% | Raseborg → Helsinki |
| December | +4.8 | 6% | 24% | Raseborg → Helsinki |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in June, km/h |
|---|---|---|
| 1,232–1,257 | E | +5.6 |
| 1,257–1,283 | NE | +6.0 |
| 1,283–1,308 | E | +4.3 |
| 1,308–1,333 | E | +4.4 |
| 1,333–1,356 | E | +4.8 |
Other stages
- Tornio → Oulu 146 km
- Oulu → Pyhäjoki 125 km
- Pyhäjoki → Kokkola 141 km
- Kokkola → Oravais 102 km
- Oravais → Malax 102 km
- Malax → Kristinestad 114 km
- Kristinestad → Pori 130 km
- Pori → Uusikaupunki 135 km
- Uusikaupunki → Turku 112 km
- Turku → Raseborg 129 km
- Raseborg → Helsinki 124 km
- Helsinki → Lovisa 115 km
- Lovisa → near Virojoki 138 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.