Monday, July 13:: Temperatures reach **32°C in Rouen** and **28°C in Le Havre**. Light showers possible in the afternoon and evening. The department remains under **yellow thunderstorm alert** and **orange heatwave alert** according to Météo France.
Tuesday, July 14:: Temperatures climb back up to **35°C** with a clear but occasionally hazy sky. No significant storm risk.
Wednesday, July 15:: Storm risks increase in the afternoon and evening. The day promises to be **oppressively hot** before the storms arrive.
Thursday & Friday:: Temperatures drop **below 30°C** with rain expected.
Weekend (July 18–19):: Conditions become more breathable with temperatures around **25°C**, rain on Saturday and sun on Sunday.
Why this matters:: After days of relentless heat, the incoming storms and subsequent temperature drop signal the possible end of this heatwave episode, offering much-needed relief to vulnerable populations and reducing heat-related health risks.
Regional context: The Orne department remains under red heatwave alert while Eure stays orange. Other Normandy departments (including Seine-Maritime) shift to yellow as of Monday morning.
Seine-Maritime has been enduring a prolonged heatwave episode, with temperatures soaring well above seasonal norms. According to Météo France{target="_blank"}, the region saw consecutive days of extreme heat before this week's forecasted change.
Monday, July 13: The day starts with high clouds advancing ahead of a weather disturbance moving in from the west. Showers, potentially stormy, may develop in the afternoon. The wind from the northeast will be quite strong along the coast — 60 to 70 km/h in gusts. Minimum temperatures range from 16°C to 24°C, while highs reach 36°C inland but only 23–24°C on the most exposed beaches.
Tuesday, July 14 (Bastille Day): Temperatures rebound to 35°C under a clear to occasionally cloudy sky. No significant storms forecast, but the heat remains intense.
Wednesday, July 15: Storm risks return, particularly in the afternoon and evening. The heat remains oppressive leading up to the storms. Residents are advised to stay vigilant.
Thursday & Friday: A noticeable cooldown with temperatures falling below 30°C. Rain is expected, marking a clearer departure from the heatwave.
Weekend Outlook (July 18–19): According to France 3 Normandie{target="_blank"}, the weekend will bring significantly more comfortable conditions. Temperatures will no longer exceed 30°C anywhere in Normandy, with Saturday bringing rain and around 25°C, and Sunday offering similar temperatures with sunshine.
The strong northeast wind (60–70 km/h gusts) on Monday will create a stark contrast between coastal and inland temperatures. Beaches will be significantly cooler — a pattern typical of summer heatwaves in Normandy when sea breezes moderate coastal temperatures.
Elderly and young children:: Most vulnerable to heatstroke during the continued high temperatures early in the week.
Outdoor workers and tourists:: Those spending Bastille Day outdoors on Tuesday should take extra precautions.
Coastal visitors:: Will benefit from cooler beach conditions but must contend with strong winds.
Will the storms put an end to the heatwave?
Yes. While Wednesday may still be oppressive, the storms signal a change in weather pattern. From Thursday onward, temperatures drop below 30°C, and the weekend brings much more comfortable conditions with highs around 25°C.
Which areas of Normandy are most affected by the heatwave alerts?
As of Monday, July 13, the Orne department remains under red alert (the highest), Eure under orange, and all other Normandy departments (including Seine-Maritime for Rouen and Le Havre) under yellow alert for heatwave.
Will it be windy on the coast?
Yes. Monday sees strong northeast winds of 60 to 70 km/h in gusts along the coast, which will keep beach temperatures significantly cooler (around 23–24°C) compared to inland areas.
When will temperatures finally be comfortable?
The weekend of July 18–19 offers the most relief, with temperatures dropping to around 25°C and no département expected to exceed 30°C, according to Météo France forecasts.
Stay hydrated and cool: during Tuesday (Bastille Day), which will be the hottest day of the week at 35°C.
Monitor storm alerts: on Wednesday — thunderstorms can bring lightning, heavy rain, and gusty winds. Use [Météo France's vigilance map](https://vigilance.meteofrance.com?ref=yanuki.com){target="_blank"} for real-time updates.
Enjoy the weekend outdoors: — Saturday may have rain, but Sunday offers sunshine and pleasant temperatures around 25°C, ideal for outdoor activities.
If you are vulnerable to heat: , be aware that Monday through Wednesday still carry heat risks despite the forecasted storms.
Coastal visitors: should prepare for strong winds on Monday but can enjoy cooler beach temperatures.
Do you think this week's storms will finally break the heatwave for good in Normandy? Share your weather observations from Rouen or Le Havre in the comments below!
Share this article with others who need to stay ahead of this trend!
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*What's your experience with this summer's heatwave in Normandy? Let us know!*
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