Balaton - Lonjsko polje D7: which way and when to ride
The best month for Balaton - Lonjsko polje D7 is October: 80% of days were dry with highs of 10–30 °C. In October the wind barely favours either direction — on average 0.0 km/h along the route (ERA5 2006–2025, daytime 9:00–18:00).
Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 18% | 14% | 54 | 5 °C | 0% | 80% | 9.0 † |
| February | 34% | 18% | 54 | 8 °C | 0% | 61% | 10.3 † |
| March | 60% | 18% | 58 | 13 °C | 0% | 29% | 11.8 |
| April | 78% | 18% | 49 | 18 °C | 0% | 7% | 13.5 |
| May | 69% | 29% | 91 | 22 °C | 3% | 1% | 14.9 |
| June | 55% | 23% | 75 | 27 °C | 24% | 0% | 15.7 |
| July | 43% | 19% | 68 | 29 °C | 42% | 0% | 15.4 |
| August | 49% | 16% | 65 | 28 °C | 37% | 0% | 14.1 |
| September | 75% | 18% | 90 | 23 °C | 7% | 0% | 12.5 |
| October | 80% | 16% | 71 | 17 °C | 0% | 6% | 10.8 † |
| November | 46% | 17% | 69 | 11 °C | 0% | 45% | 9.4 † |
| December | 15% | 16% | 60 | 6 °C | 0% | 81% | 8.7 † |
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 Gola → near Gornja Jelenska, km/h | Headwind > 15 km/h, Gola → near Gornja Jelenska | Headwind > 15 km/h, near Gornja Jelenska → Gola | Better way |
|---|---|---|---|---|
| January | −0.4 | 5% | 6% | either |
| February | +0.9 | 6% | 9% | either |
| March | +1.5 | 7% | 11% | either |
| April | +1.4 | 5% | 9% | either |
| May | +1.7 | 4% | 9% | either |
| June | +1.7 | 2% | 7% | either |
| July | +2.2 | 1% | 5% | Gola → near Gornja Jelenska |
| August | +2.5 | 1% | 4% | Gola → near Gornja Jelenska |
| September | +2.2 | 2% | 6% | Gola → near Gornja Jelenska |
| October | 0.0 | 4% | 5% | either |
| November | −0.7 | 4% | 5% | either |
| December | −0.5 | 5% | 6% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in October, km/h |
|---|---|---|
| 0–26 | S | −0.3 |
| 26–51 | S | −0.1 |
| 51–76 | SW | −0.2 |
| 76–102 | S | +0.4 |
| 102–115 | SW | +0.5 |
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.