Tailwind Atlas

Nasjonal sykkelrute 1, Etappe 5: Bergen- Lindesnes, stage 1: near Spangereid → Flekkefjord

On stage 1 (near Spangereid → Flekkefjord, 132 km) the best month is June: 71% of days were dry with highs of 10–30 °C, and riding Flekkefjord → near Spangereid meant an average tailwind of 2.5 km/h (ERA5 2006–2025, 9:00–18:00).

ERA5 2006–2025 · OpenStreetMap · Methodology and sources

← Nasjonal sykkelrute 1, Etappe 5: Bergen- Lindesnes (Whole route)

132 kmLength
JuneBest months
Flekkefjord → near SpangereidBetter direction in the best month
2.5 km/hAverage tailwind in the best month
71%Dry days with 10–30 °C
June · 71%Best summer month
Start: near Spangereid · Finish: Flekkefjord · Route geometry: OpenStreetMap / Waymarked Trails

Weather by month

MonthGood daysRain days ≥ 1 mmRain, mmAvg highDays ≥ 30 °CDays < 10 °CDaylight, h
January0%39%1822 °C0%100%7.1 †
February0%38%1413 °C0%100%9.2 †
March6%28%1055 °C0%94%11.6
April32%26%749 °C0%65%14.3
May62%27%9513 °C0%21%16.7
June71%29%10017 °C0%0%18.2
July63%37%13718 °C0%0%17.6
August58%42%17018 °C0%0%15.3
September61%39%17015 °C0%1%12.7
October33%42%18810 °C0%38%10.1 †
November6%40%1866 °C0%87%7.7 †
December0%41%1964 °C0%99%6.5 †

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

MonthWind near Spangereid → Flekkefjord, km/hHeadwind > 15 km/h, near Spangereid → FlekkefjordHeadwind > 15 km/h, Flekkefjord → near SpangereidBetter way
January−0.519%18%either
February+0.316%18%either
March−0.717%17%either
April−0.916%12%either
May−1.318%12%either
June−2.520%8%Flekkefjord → near Spangereid
July−2.119%8%Flekkefjord → near Spangereid
August−0.816%11%either
September−0.418%15%either
October0.017%18%either
November+0.118%19%either
December−0.718%17%either

Along the route (sections of about 25 km)

kmHeadingTailwind in June, km/h
0–25N+1.9
25–50W−7.0
50–75NW−5.2
75–100NE+5.8
100–126W−7.0
126–132NW−6.0

Other stages

  1. near Spangereid → Flekkefjord 132 km
  2. Flekkefjord → Nærbø 116 km
  3. Nærbø → Jørpeland 130 km
  4. Jørpeland → Haugesund 150 km
  5. Haugesund → near Austevoll 125 km
  6. near Austevoll → Bergen 72 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.