Home » News » Weather Sunday 18 December: last day of cold, watch out for the ice in the north

Weather Sunday 18 December: last day of cold, watch out for the ice in the north

To remember

– degradation in the north with rain and strong winds in Brittany

– black ice possible before the afternoon and evening thaw in the north

– very heavy frost this morningdown to -15°C in the north-east plain on snow

Evolution compared to today

This Sunday marks the beginning of a change in the weather with a lift of the southerly wind linked to the approach of an Atlantic depression. This is accompanied by a deterioration in the north with the return of rain and wind, preceded by some snow and ice. In the south, the sun is less robust than this Saturday with a sky that is becoming increasingly hazy in the afternoon and the return of the maritime entrances to Languedoc-Roussillon and the Cévennes.

Details by region

Northwest, the climate change is radical with rains preceded by some ice in the morning before the thaw in the afternoon. The sirocco rises and blows in gusts at 90 km/h in the evening on Finistère.

Min: -5 to 5°C / Max: 2°C in Rouen to 11°C in Brest where the thaw will be marked

On the Paris Basinafter a freezing night, the sky quickly cleared and some rain had fallen since mid-afternoon.

Min: -8 to 0°C / Max: 0°C in Seine-et-Marne to 5°C in Yvelines, the thaw will be rapid in the evening

To the northeast, like the previous mornings, very severe frosts occur at dawn. As for the sky, sail in the afternoon in the Grand-Est where the weather remains dry and becomes cloudy in the Hauts-de-France and the Ardennes where a little frost precedes the mild night from Sunday to Monday. Attention in these regions to the risk of ice in the evening.

Min: -15 to -5°C / Max: around 0°C, thaw is expected in the night from Sunday to Monday

to the southwest, spend the day dry under a sky that veils more and more bluntly as the hours go by. The south wind rises in the Pyrenees and Autan at 80 km/h north of Toulouse towards the Tarn.

Min: -3 to 2°C / Max: 7 to 15°C in the Basque Country

In the Central East, it is very cold in the morning under cloudy skies in the south of the Rhône-Alpes with showers in the afternoon in the Ardèche and a southerly wind reaching 70 km/h in the Haute-Loire and the Loire in the evening. In the Alps, you enjoy a wonderful day of skiing, after a freezing night.

Min: -10 to -20°C in the mountains down to -3°C south of Lyon / Max: 3 to 7°C with evening thaw

Near the Mediterranean, it is degradation. The marine wind rises and strengthens up to 70 km/h gusts in the evening. It carries the clouds from the Mediterranean to Languedoc-Roussillon to Provence with a few showers. From Provence Côte d’Azur to Corsica, after the morning sun, the sky is veiled.

Min: -3°C inland to 5°C in the Roussillon plain in the morning / between 9 and 11°C in the afternoon, with peaks of 15°C in Bastia and Nice.

Next trend : Monday, Sunday’s disturbance will increase towards the English Channel with an improvement north of the Loire. In the south, the weather will be quite good, with the exception of the Cévennes on the shores of the Mediterranean where there will be some showers in the mountains.

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.