EuroVelo 10 - Baltic Sea Cycle Route - part Latvia, stage 4: Talsi → Riga
On stage 4 (Talsi → Riga, 138 km) the best month is September: 75% of days were dry with highs of 10–30 °C; the wind barely favours either direction (1.9 km/h on average; 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% | 49 | 0 °C | 0% | 100% | 7.3 † |
| February | 0% | 18% | 34 | 0 °C | 0% | 100% | 9.4 † |
| March | 10% | 18% | 35 | 4 °C | 0% | 90% | 11.6 |
| April | 41% | 20% | 40 | 10 °C | 0% | 54% | 14.2 |
| May | 69% | 23% | 52 | 16 °C | 0% | 12% | 16.5 |
| June | 73% | 27% | 65 | 20 °C | 1% | 0% | 17.9 |
| July | 67% | 32% | 88 | 22 °C | 1% | 0% | 17.3 |
| August | 68% | 32% | 83 | 21 °C | 1% | 0% | 15.2 |
| September | 75% | 23% | 56 | 17 °C | 0% | 2% | 12.7 |
| October | 45% | 24% | 64 | 11 °C | 0% | 41% | 10.2 † |
| November | 7% | 19% | 49 | 5 °C | 0% | 91% | 7.9 † |
| December | 0% | 20% | 47 | 2 °C | 0% | 99% | 6.7 † |
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 Talsi → Riga, km/h | Headwind > 15 km/h, Talsi → Riga | Headwind > 15 km/h, Riga → Talsi | Better way |
|---|---|---|---|---|
| January | +1.4 | 10% | 15% | either |
| February | +1.2 | 7% | 14% | either |
| March | +2.8 | 7% | 17% | Talsi → Riga |
| April | +3.0 | 4% | 17% | Talsi → Riga |
| May | +1.6 | 4% | 10% | either |
| June | +3.2 | 3% | 15% | Talsi → Riga |
| July | +2.9 | 3% | 14% | Talsi → Riga |
| August | +1.9 | 4% | 13% | either |
| September | +1.9 | 7% | 16% | either |
| October | +2.0 | 9% | 17% | Talsi → Riga |
| November | +0.7 | 8% | 13% | either |
| December | +1.7 | 9% | 16% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 368–394 | S | −2.6 |
| 394–422 | E | +3.2 |
| 422–447 | E | +2.6 |
| 447–473 | E | +3.1 |
| 473–498 | E | +3.0 |
| 498–506 | E | +3.1 |
Other stages
- near Šventoji → near Pāvilosta 114 km
- near Pāvilosta → Ventspils 110 km
- Ventspils → Talsi 146 km
- Talsi → Riga 138 km
- Riga → Limbaži 115 km
- Limbaži → Ainaži 63 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.