What is the hottest city in Nord?

Valenciennes, at 7.5 days, ahead of Denain (7.5 days).

What is the coolest city in Nord?

Grande-Synthe, at 1.7 days. 52 cities of Nord are measured here.

Where does Valenciennes stand in France?

867 of the 1,040 French cities measured on days above 30 °c. The national ranking is on its own page.

Which cities lead in Nord?

Valenciennes (7.5 days), Denain (7.5 days), Saint-Amand-les-Eaux (7.5 days), Hautmont (7.5 days), Anzin (7.5 days). The whole table is on this page.

Le Bon Rang

In Nord · Météo-France, fiches climatologiques

The hottest cities in Nord

Valenciennes is the hottest city in Nord, at 7.5 days, ahead of Denain (7.5 days) and Saint-Amand-les-Eaux (7.5 days). At the other end, Grande-Synthe is the coolest city, at 1.7 days.

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The 52 cities of Nord ranked on days above 30 °c
Rank	City	Days above 30 °C	Population
1	Valenciennes	7.5 days	43,468
2	Denain	7.5 days	20,665
3	Saint-Amand-les-Eaux	7.5 days	15,974
4	Hautmont	7.5 days	14,152
5	Anzin	7.5 days	13,183
6	Raismes	7.5 days	12,199
7	Marly (59)	7.5 days	11,995
8	Somain	7.5 days	11,766
9	Bruay-sur-l'Escaut	7.5 days	11,644
10	Saint-Saulve	7.5 days	10,947
11	Vieux-Condé	7.5 days	10,617
12	Douchy-les-Mines	7.5 days	10,109
13	Douai	6.9 days	40,250
14	Cambrai	6.9 days	31,134
15	Sin-le-Noble	6.9 days	16,076
16	Caudry	6.9 days	13,833
17	Lille	6.8 days	238,246
18	Tourcoing	6.8 days	98,772
19	Roubaix	6.8 days	98,286
20	Villeneuve-d'Ascq	6.8 days	62,868
21	Wattrelos	6.8 days	40,847
22	Marcq-en-Barœul	6.8 days	40,184
23	Lambersart	6.8 days	27,090
24	Armentières	6.8 days	26,998
25	Loos	6.8 days	22,567
26	La Madeleine	6.8 days	21,790
27	Mons-en-Barœul	6.8 days	21,105
28	Wasquehal	6.8 days	20,726
29	Halluin	6.8 days	20,715
30	Croix	6.8 days	20,566
31	Ronchin	6.8 days	19,787
32	Faches-Thumesnil	6.8 days	18,619
33	Hem	6.8 days	18,582
34	Wattignies	6.8 days	15,525
35	Haubourdin	6.8 days	15,074
36	Roncq	6.8 days	14,075
37	Lys-lez-Lannoy	6.8 days	14,050
38	Mouvaux	6.8 days	13,369
39	Seclin	6.8 days	13,261
40	Saint-André-lez-Lille	6.8 days	13,233
41	Comines	6.8 days	12,731
42	Marquette-lez-Lille	6.8 days	12,622
43	Wambrechies	6.8 days	11,012
44	Annœullin	6.8 days	10,847
45	Neuville-en-Ferrain	6.8 days	10,002
46	Hazebrouck	5.5 days	21,912
47	Bailleul	5.5 days	14,732
48	Fourmies	5.3 days	11,449
49	Gravelines	2.1 days	11,430
50	Dunkerque	1.7 days	86,263
51	Coudekerque-Branche	1.7 days	20,787
52	Grande-Synthe	1.7 days	20,239

Every city of Nord →

The same ranking for the whole of France : The hottest cities in France · The coolest cities in France in summer

The hottest cities in, elsewhere

The other rankings of Nord

Scope, method and sources

Scope: France, metropolitan and overseas, Corsica and the DROM included. This dataset holds every commune of 10,000 inhabitants or more, plus smaller communes famous enough to be household names, 1,131 in all. It is not the full list of 35,000 French communes, so a village can sit outside a ranking whose extreme it would otherwise hold. This particular ranking is metropolitan only: the distance to the coast is measured against the coastlines of the Hexagon and Corsica, which would put an overseas port thousands of kilometres from a sea it sits on, so no value is published for overseas France rather than a wrong one.

Method and sources: populations are the INSEE legal populations, boundaries and coordinates come from the IGN commune registry, both served by geo.api.gouv.fr. Density is the population divided by the commune's area; distances are measured as the crow flies from the commune's centre. Data read on August 28, 2026.

4 questions about this ranking

What is the hottest city in Nord?: Valenciennes, at 7.5 days, ahead of Denain (7.5 days).
What is the coolest city in Nord?: Grande-Synthe, at 1.7 days. 52 cities of Nord are measured here.
Where does Valenciennes stand in France?: 867 of the 1,040 French cities measured on days above 30 °c. The national ranking is on its own page.
Which cities lead in Nord?: Valenciennes (7.5 days), Denain (7.5 days), Saint-Amand-les-Eaux (7.5 days), Hautmont (7.5 days), Anzin (7.5 days). The whole table is on this page.