pluviométrie bordeaux 2020


As you can see, average temperatures from December to May were considerably higher than the norm, with the exception of March. On the left bank, in the Médoc, there was around 100 mm/4 in of rain in mid August, depending on the commune.

But this was more about thunderstorms in May, June and August than boring old downpours. You must have JavaScript enabled to use this form. This one was early, prolonged, warm and dry.

What seems to be changing is just how dry the summers are becoming – compare the five-year average for these regions with the 30-year average.

There was also a noticeable difference in the amount of mid-August rain on the left bank compared with the right bank.

(Most, but not all.) I’ll highlight the differences with recent years via my ever-expanding series of unique tables and graphs. The cool nights and clear days were ideal for the final ripening of the reds in the first half of the month, and there wasn't a drop of rain from 30 August to 18 September. It was a year of contrasts, with more rain overall from March to September, inclusive, than in any other year in the last decade or so.

It took me some time. The Merlot grapes were often noticeably plumper here in September than on the right bank. Some vineyards lost a fair amount of volume through mildew.
Pluie à Bordeaux en 2020 Hauteur de pluie (mm) (Source : Linternaute.com d'après Météo France) Bordeaux Moyenne nationale Hiver 2020 Printemps 2020 Eté 2020 Automne 2020 0 100 200 300 400 …

July, August and September were hotter than the norm. In theory.

The Cabernet Sauvignon was mostly harvested from 21 September onwards.

How growers treated their vines during the spring was crucial – and challenging when the ground was sodden. Les chiffres présentés dans le guide du climat sont estimés à partir des données des bulletins climatiques libres d'accès de Météo France portant sur plus d'une centaine de stations météo réparties dans toute la France Métropolitaine. The average rain in August – which was seriously needed – was similar to the Bordeaux average for the month at 59 mm/2.3 in. This shows how each month compared with the 30-year average. La commune de Bordeaux a connu 561 millimètres de pluie en 2020, contre une moyenne nationale des villes de 372 millimètres de précipitations.

In contrast, June has been wetter of late – again, often down to occasional storms. A map is called for here because in 2020 there was quite a difference between regions. The early budbreak led to an early flowering in May, which was really lucky – as we shall see, and the vast majority of red-wine grapes ended up being picked in September, just before heavy rain in October.

A few Cabernets were left until early October – most notably some later-ripening Cabernet Franc in St-Émilion. Like the rain in May, most of the August rain fell over just a few nights. Once again, great for the flowering in late May, then hot and dry in July and early August.

The thinking behind this is that when 400 °C is reached, it’s an indication of mid flowering (, The right bank saw much less rain in August, Or, view previous article: Bordeaux 2020 weather and harvest report.
Yields for many estates are lower, with less juice due to heat and drought, but the quality is high – albeit variable.

And with a month’s worth of rain in the first week of October the picture might have become, well, distorted.

Official estimates on 1 October from Agreste, the French Ministry of Agriculture, put Bordeaux production at 1% lower than 2019.

En savoir plus sur notre politique de confidentialité. This left many vines parched, given the serious heat at the end of those stretches. The growing season follows a similar pattern to 2016, 2018 and 2019, in that we had a wet spring followed by a dry, hot summer, topped off by a warm, dry harvest.

Of course the famous châteaux, whose wines sell en primeur, make up a small fraction of these figures. The first half of June was quite a lot cooler than usual, then late June, July, August and September ranged from warm to hot. I've seen absolutely no rot on any of the reds, incidentally.

Données mensuelles de octobre 2020 pour Bordeaux (33) ( 49 m ) [ Version imprimable ] - [ Données du mois courant ] - [ Normales 1981-2010 et records ]

Bordeaux se situe à la position n°nc du classement des villes les plus pluvieuses.

The winter and spring of 2019/2020 was mild, and that’s to put it mildly.

This was incredibly lucky, as most estates enjoyed good flowering and fruit set. The heatwave in the middle of September reduced the amount of juice. As you can see, the winter of 2019/2020 saw a lot of rain in November and December, and again in the spring.

The harvest began in mid August for the crémants and the dry whites and continued into the early part of September in fine weather. 2020 has ended up being a really good but variable year with wines of outstanding potential for many Bordeaux estates. From December to May, five of the six months saw average temperatures at around 2 °C/3.6 °F above the 30-year average.

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