EuroVelo 13 – Iron Curtain Trail (Estonia), stage 9: Pärnu → Ikla
On stage 9 (Pärnu → Ikla, 69 km) the best month is September: 76% of days were dry with highs of 10–30 °C, and riding Ikla → Pärnu meant an average tailwind of 3.6 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% | 20% | 55 | -1 °C | 0% | 100% | 7.1 † |
| February | 0% | 19% | 43 | -1 °C | 0% | 100% | 9.2 † |
| March | 7% | 18% | 39 | 4 °C | 0% | 93% | 11.6 |
| April | 43% | 21% | 40 | 10 °C | 0% | 52% | 14.3 |
| May | 72% | 22% | 49 | 17 °C | 0% | 9% | 16.7 |
| June | 72% | 26% | 75 | 21 °C | 2% | 0% | 18.2 |
| July | 61% | 34% | 92 | 23 °C | 6% | 0% | 17.6 |
| August | 65% | 33% | 99 | 22 °C | 3% | 0% | 15.3 |
| September | 76% | 22% | 62 | 17 °C | 0% | 2% | 12.7 |
| October | 40% | 24% | 69 | 10 °C | 0% | 45% | 10.1 † |
| November | 5% | 22% | 57 | 5 °C | 0% | 93% | 7.7 † |
| December | 0% | 23% | 56 | 1 °C | 0% | 100% | 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
| Month | Wind Pärnu → Ikla, km/h | Headwind > 15 km/h, Pärnu → Ikla | Headwind > 15 km/h, Ikla → Pärnu | Better way |
|---|---|---|---|---|
| January | −5.5 | 25% | 5% | Ikla → Pärnu |
| February | −4.7 | 21% | 6% | Ikla → Pärnu |
| March | −2.9 | 17% | 8% | Ikla → Pärnu |
| April | −0.7 | 12% | 10% | either |
| May | −1.0 | 10% | 8% | either |
| June | −1.8 | 10% | 7% | either |
| July | −1.8 | 9% | 5% | either |
| August | −4.0 | 15% | 4% | Ikla → Pärnu |
| September | −3.6 | 16% | 5% | Ikla → Pärnu |
| October | −5.0 | 24% | 7% | Ikla → Pärnu |
| November | −6.2 | 25% | 4% | Ikla → Pärnu |
| December | −6.9 | 29% | 5% | Ikla → Pärnu |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 970–995 | S | −2.3 |
| 995–1,020 | S | −4.0 |
| 1,020–1,039 | S | −4.9 |
Other stages
- Narva → Kunda 122 km
- Kunda → Loksa 102 km
- Loksa → Haabersti 96 km
- Haabersti → Haapsalu 148 km
- Haapsalu → near Käina 116 km
- near Käina → near Kuressaare 116 km
- near Kuressaare → Orissaare 117 km
- Orissaare → Pärnu 154 km
- Pärnu → Ikla 69 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.