EuroVelo 12 - North Sea Cycle Route - part Norway, stage 1: Bergen → Leirvik
On stage 1 (Bergen → Leirvik, 110 km) the best month is June: 65% of days were dry with highs of 10–30 °C, and riding Bergen → Leirvik meant an average tailwind of 2.8 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% | 48% | 235 | 3 °C | 0% | 100% | 6.6 † |
| February | 0% | 45% | 195 | 4 °C | 0% | 100% | 9.0 † |
| March | 4% | 44% | 178 | 6 °C | 0% | 96% | 11.6 |
| April | 27% | 36% | 123 | 9 °C | 0% | 68% | 14.5 |
| May | 51% | 34% | 124 | 12 °C | 0% | 31% | 17.1 |
| June | 65% | 34% | 130 | 15 °C | 0% | 2% | 18.8 |
| July | 57% | 43% | 176 | 17 °C | 0% | 0% | 18.1 |
| August | 53% | 47% | 232 | 17 °C | 0% | 0% | 15.6 |
| September | 51% | 48% | 262 | 15 °C | 0% | 3% | 12.7 |
| October | 30% | 50% | 297 | 11 °C | 0% | 36% | 10.0 † |
| November | 6% | 48% | 261 | 7 °C | 0% | 81% | 7.3 † |
| December | 0% | 52% | 287 | 5 °C | 0% | 96% | 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 Bergen → Leirvik, km/h | Headwind > 15 km/h, Bergen → Leirvik | Headwind > 15 km/h, Leirvik → Bergen | Better way |
|---|---|---|---|---|
| January | −5.5 | 23% | 7% | Leirvik → Bergen |
| February | −5.7 | 24% | 6% | Leirvik → Bergen |
| March | −3.3 | 19% | 9% | Leirvik → Bergen |
| April | +0.3 | 14% | 13% | either |
| May | +1.9 | 12% | 15% | either |
| June | +2.8 | 10% | 17% | Bergen → Leirvik |
| July | +1.5 | 9% | 11% | either |
| August | −1.1 | 15% | 9% | either |
| September | −2.9 | 19% | 9% | Leirvik → Bergen |
| October | −4.6 | 23% | 7% | Leirvik → Bergen |
| November | −4.8 | 21% | 6% | Leirvik → Bergen |
| December | −6.0 | 23% | 5% | Leirvik → Bergen |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in June, km/h |
|---|---|---|
| 0–25 | S | +1.5 |
| 25–50 | S | +2.1 |
| 50–75 | S | 0.0 |
| 75–101 | S | +5.4 |
| 101–110 | E | +8.7 |
Other stages
- Bergen → Leirvik 110 km
- Leirvik → near Haugesund 116 km
- near Haugesund → Jørpeland 115 km
- Jørpeland → Kleppe 113 km
- Kleppe → Flekkefjord 128 km
- Flekkefjord → Lyngdal 114 km
- Lyngdal → Kristiansand 104 km
- Kristiansand → Tvedestrand 116 km
- Tvedestrand → near Porsgrunn 116 km
- near Porsgrunn → Tønsberg 110 km
- Tønsberg → near Halden 132 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.