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Best Time for Istria: Pula to Opatija
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Sweet spot: March, April, May. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Truffle season peaks in autumn around Motovun — the white ones surface October into November — while the coast stays swimmable past September.
- Istria fills with Italian and Austrian plates alike; Rovinj's cobbles gleam at dawn and the hill towns stay cool while the beaches churn.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 1.6°C | 6.2°C | 77 mm | 8.9 h | ❄ |
| February | 1.8°C | 7.2°C | 92 mm | 10.1 h | ❄ |
| March | 4.5°C | 10.9°C | 75 mm | 11.6 h | ❄ |
| April | 8.4°C | 15.4°C | 71 mm | 13.3 h | |
| May | 12.8°C | 19.6°C | 89 mm | 14.7 h | |
| June | 17.2°C | 23.9°C | 71 mm | 15.4 h | |
| July | 19.5°C | 26.7°C | 56 mm | 15.1 h | |
| August | 19.2°C | 26.8°C | 76 mm | 13.9 h | |
| September | 15.0°C | 22.0°C | 116 mm | 12.3 h | |
| October | 11.0°C | 17.1°C | 105 mm | 10.7 h | |
| November | 7.2°C | 12.2°C | 132 mm | 9.3 h | |
| December | 3.0°C | 7.8°C | 102 mm | 8.6 h | ❄ |