The weather on the Camino de Baztan trail, starting at Bayonne, can change a lot in March. You might experience rain, cloudy skies, and some sun. The highest temperature is usually around 13°C and the lowest around 8°C. Rain can be light or heavy.
Next, you'll pass through Souraïde and Amaiur where the weather conditions are similar, but with possibly more rain. This might be because of the hills in these areas. Average temperatures are around 13°C to 14°C but there can be more rain.
As you go through Berroeta, the highest average temperature can drop to around 12°C. This area often has moderate but steady rain, so this might affect when you plan to walk.
The final part towards Olagüe and Pamplona is a little chillier, with the highest temperature around 9-10°C and the lowest close to 3°C. You might see a mix of sun, clouds, and showers. However, there is usually less rain as you get closer to Pamplona, which could be nice after the possibly rainier earlier parts.
In general, you should prepare for different weather on this walk. It could be sunny, cloudy, or rainy. The temperature is usually between 9 to 14°C during the day and 3 to 8°C at night. Keep this in mind as you travel the Camino de Baztan.
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