Similarly,
Will hot weather settle permanently:
Temperatures fly away again on France. Nevertheless, Several signals indicate that an episode of lasting heat could be extended during this month of August. Moreover, We detail the latest trends.
Sustainable hot weather?
As we mentioned in our latest article. Nevertheless, there is a risk of heat wave in the south of France from Thursday, August 7, 2025 >>> After a first peak observed this Monday, August 4, 2025, the heat will intensify in the second half of the week and become painful in the southern part of France, including the central regions. Furthermore, As shown in the card below. Meanwhile, the thermal anomaly of this week from Monday from 4 to Sunday 10 August 2025 will be +3 to +5 ° C In the southwest of France, to will hot weather settle permanently Lyonnais.
Thermal anomaly from Monday 4 to Sunday 10 August 2025 – ECMWF
When we are interested in longer -term trends, we see that action centers should only move. Consequently, the air masses – they too – should only move. The animation below shows the air mass around 1500 meters from Thursday 7 to Friday 14 July 2025. We see that our country should remain under the influence of very hot air present on Spain. the Mediterranean in a lasting way, especially the South and more particularly the Mediterranean regions.
Average of the various scenarios showing the temperature at 850 hpa (around 1500m) from Thursday 7 to Thursday August 14, 2025 – wxcharts.com
A will hot weather settle permanently risk of sustainable heat wave in the southeast?
Thus, a strong hot anomaly is already emerging for next week, from Monday 11 to Sunday August 17, 2025. In a large southern half of France, the thermal anomaly on 7 days would be of the order of +3 to +5 ° C. Thus, the hot weather would be out of place. The more we go to Rhône-Alpes. the Midi-Toulousain and the Mediterranean, the more the risk of maintaining excessively high temperatures would be important. Conversely, temperatures could be more reasonable by going to the English Channel or the borders of the North.
Thermal anomaly from Monday 11 to Sunday 17 August 2025 – ECMWF
There is therefore a risk of experiencing scorching temperatures in a sustainable manner in certain southern regions and in will hot weather settle permanently particular near the Mediterranean. The graph below shows the different temperature scenarios in Nîmes until August 20, 2025. We see that the average remains daily more than 35 ° C for two weeks ! So there is a risk of knowing excessive temperatures for a long timewhich would make the episode very trying …
Average temperature scenarios in Nîmes (30) from August 4 to 20, 2025 – meteociel.fr
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