When the winter skies hang low over Brittany, they sometimes seem to carry a secret ocean within their grey folds — an unspoken reservoir of moisture that, this January, poured forth in astonishing measure. In towns and valleys from the Finistère hills to the wooded reaches of Morbihan, rain seemed less like occasional weather and more like an unbroken conversation between sea and sky. In just a few days, the region saw what would normally be the equivalent of two months’ worth of precipitation, delivered with persistence and breadth.
Across the peninsula, a succession of Atlantic depressions kept clouds and showers hungering for terrain — and in response, the rain fell. In Sizun, in the heart of the Finistère, the rain gauge tallied 405.4 mm of water for the month, surpassing prior benchmarks and sealing this January in the books as among the most extraordinary ever recorded. Nearby stations in Ploudaniel and Camaret-sur-Mer likewise reported totals well beyond normal ranges, rewriting local records and prompting meteorologists to speak of a truly remarkable wet spell.
Even where absolute peaks were not broken, monthly figures towered above expectations. As far north as the Côtes-d’Armor and west into Brittany’s coastal fringe, gauges measured rainfall more than double the seasonal average — a testament to the steadiness of the storms that rolled in from the Atlantic. In Quimperlé and the valley of the Oust, rivers swelled and creeks rose, illustrating how relentless precipitation transmutes into land-level effects: water coursing through fields and streets that lent an almost primeval feel to the landscape.
These records carry broader meaning beyond raw numbers. They show how a typically temperate Atlantic winter can, under the right atmospheric choreography, unlock extraordinary rainfall — more than what’s usual for two full months of winter combined. Meteorological services noted that factors such as frequent perturbations and sustained low pressure over the Atlantic contributed to these exceptional totals.
In the days after January’s end, authorities kept a watchful eye on rivers and soil saturation. Though precipitation has eased compared with the height of the deluge, the memory of rain's persistence remains etched in local hydrology and in the reflections of those who watched drops turn to rivers. Ground already sodden invites a caution that the coming weeks will be observed with care, even as winter slowly turns toward spring.
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Sources : • Météo Bretagne • Ouest-France via Le Mans Maville • Météo France (meteofrance.com) • Le Parisien • Meteo Sain-Bel