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Climate in Loon-Plage · Météo-France 1991–2020 normals

Loon-Plage is among the mainland French towns with the fewest days of 25 degrees or more

The depth of winter brings overnight lows near 3.4°C. By frosts alone, it ranks gentler than 93% of mainland French towns. Of all months, November brings the most rain and April the least. Central heating does most of its work from November to March, in months below 10°C on average.

July afternoons: cooler than 98% of mainland French towns
January nights: milder than 83% of mainland French towns
Rain a year: drier than 73% of mainland French towns

These are the figures of Météo-France’s Dunkerque station, 11 km north-east.

A year in Loon-Plage at a glance

Each month’s typical high and low in °C, at the Dunkerque station.

Jan8°C3°CColdest nights
Feb8°C4°C
Mar10°C5°C
Apr13°C7°C
May16°C11°C
Jun19°C13°C
Jul21°C16°C
Aug22°C16°CWarmest
Sep19°C14°C
Oct16°C10°C
Nov now11°C7°CWettest
Dec8°C4°C
A normal year

What a year in Loon-Plage feels like

Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Dunkerque.

Winter
8°C / 4°C
17 frosts a year
Spring
13°C / 8°C
124 mm of rain
Summer
21°C / 15°C
11 days of 25°C+ a year
Autumn
15°C / 10°C
217 mm of rain, the wettest season
Best months to be outsideJunJulAugSepHighs of 17–27°C and nights of 8°C or more
Rain

About 691 mm of rain a year

November is the wettest month and April the driest. About 17 days a year bring 10 mm or more. 189th wettest of 200 towns of 2,500+ in Nord.

691 mm
Rain a year, over 121 days of 1 mm or more
Drier than 73% of mainland French towns
17
Days a year with 10 mm of rain or more
1,710 hrs
Sunshine a year at Le-Touquet
68 km away

Rain by month

Millimeters

80 mm
JFMAMJJASOND

Sunshine by month

Hours of sunshine at Le-Touquet

225 h
JFMAMJJASOND
Frost & warm days

17 frosts and 11 days of 25°C a year

On about 17 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 11 days a year reach 25°C, and 2 reach 30°C.

17
Air frosts a year (below 0°C)
Fewer frosts than 93% of mainland French towns
2
Days that stay below 0°C
11
Days of 25°C or more
Fewer warm days than almost every mainland French town
2
Hot days, 30°C or more
Fewer hot days than 98% of mainland French towns

Day counts are Météo-France’s 1991–2020 normals at Dunkerque: a frost is a night of 0°C or below, a summer day (jour d’été) 25°C or more, a hot day (forte chaleur) 30°C or more.

Weather station

The Météo-France station at Dunkerque

Dunkerque is 11 km north-east of Loon-Plage. Every figure on this page is the station’s, not a measurement in Loon-Plage itself.

Station (Météo-France number)Dunkerque (59183001)
Distance from the town11 km north-east
Station altitude11 m
Town altitude (its center)4 m
Period1991–2020
Sunshine measured atLe-Touquet, 68 km away

TownRatings matches each commune to one station with at least 24 years of temperature and rain records: the nearest, counting every 100 m of height difference as 10 km, never across the sea.

Compared with other towns

How Loon-Plage compares

Against the 4,385 towns of 2,500 or more in mainland France, each read from its own matched station. The dots are the other towns of 2,500+ in Nord.

July afternoons21.2°C
Loon-PlageMedian mainland town
21°C22°C23°C24°C25°C26°C
Cooler than 98% of mainland French towns189th warmest of 200 towns of 2,500+ in Nord
January nights3.4°C
Loon-PlageMedian mainland town
0°C1°C2°C3°C4°C
Milder than 83% of mainland French townsThe mildest of 200 towns of 2,500+ in Nord
Rain a year691 mm
Loon-PlageMedian mainland town
4006008001,0001,200
Drier than 73% of mainland French towns189th wettest of 200 towns of 2,500+ in Nord
Frosts a year17 nights
Loon-PlageMedian mainland town
0204060
Fewer frosts than 93% of mainland French towns189th frostiest of 200 towns of 2,500+ in Nord
Days of 25°C or more11 days
Loon-PlageMedian mainland town
020406080
Fewer warm days than almost every mainland French town189th most 25°C days of 200 towns of 2,500+ in Nord
Next door

Nearby towns’ climate

The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.

TownStationJuly highJanuary lowRain a year
Loon-PlageDunkerque21.2°C3.4°C691 mm
Bourbourg 5.6 kmWatten23.7°C 2.5°C warmer2.0°C 1.4°C colder823 mm
Grande-Synthe 6.2 kmsame station21.2°C about the same3.4°C about the same691 mm
Gravelines 6.2 kmCalais-Marck21.8°C 0.6°C warmer2.7°C 0.7°C colder737 mm
Grand-Fort-Philippe 7.9 kmCalais-Marck21.8°C 0.6°C warmer2.7°C 0.7°C colder737 mm
Cappelle-la-Grande 11 kmsame station21.2°C about the same3.4°C about the same691 mm
Dunkerque 12 kmsame station21.2°C about the same3.4°C about the same691 mm
Month by month

Loon-Plage weather by month

Average daily high and low, mean temperature and rain, 1991–2020, at the Dunkerque station; sunshine at Le-Touquet.

MonthHighLowMeanRainSun (hours)
January7.6°C3.4°C5.5°C54 mm62
February8.0°C3.5°C5.7°C45 mm78
March10.2°C5.3°C7.7°C42 mm133
April13.1°C7.4°C10.3°C37 mm190
May16.0°C10.5°C13.3°C46 mm210
June18.9°C13.3°C16.1°C55 mm220
July21.2°C15.5°C18.4°C59 mm225
August21.7°C15.8°C18.8°C64 mm205
September19.3°C13.6°C16.5°C65 mm161
October15.6°C10.4°C13.0°C73 mm111
November11.1°C6.9°C9.0°C80 mm63
December8.3°C4.2°C6.2°C73 mm53
Year14.3°C9.2°C11.7°C691 mm1,710
Sources

Where Loon-Plage’s numbers come from

Averages over 30 years, not a forecast.

  • Temperature, rain and day counts: Météo-France’s fiche climatologique for Dunkerque, 11 km away: statistics for 1991–2020.
  • Which station: among stations with at least 24 of the 30 years of temperature and rain, the nearest to the commune’s population-weighted center, counting each 100 m of height difference as 10 km; mainland towns use mainland stations and each overseas département its own.
  • Altitudes: the town’s from IGN’s RGE ALTI® at its population-weighted center; the station’s from Météo-France.
  • Sunshine: the nearest station with at least 10 years of sunshine records, Le-Touquet, 68 km away.
  • Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Nord.

Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.

Questions about Loon-Plage’s climate

How warm does Loon-Plage get in summer?

August is the warmest month, with average highs of 21.7°C. About 11 days a year reach 25°C, fewer than almost every mainland French town, and about 2 reach 30°C.

How cold does Loon-Plage get in winter?

January nights average 3.4°C. The air drops to 0°C or below on about 17 nights a year, and about 2 days a year stay below freezing all day.

How much rain does Loon-Plage get?

About 691 mm a year, less than 73% of mainland French towns. November is the wettest month (80 mm) and April the driest (37 mm).

How sunny is it?

The nearest Météo-France station that records sunshine, Le-Touquet (68 km away), averages 1,710 hours of sunshine a year.

Are these figures for Loon-Plage itself?

No: they are the normals of the Météo-France station matched to Loon-Plage, Dunkerque, 11 km away. France publishes its climate normals by station, not by commune; a valley, a hill or the sea can make a difference over a few kilometers.

Where do these figures come from?

Météo-France’s fiches climatologiques: 30-year averages (1991–2020) for each of its long-running stations, published as open data since 2024. They are normals, not a forecast.

Source: Météo-France, fiches climatologiques, 1991–2020 statistics (station DUNKERQUE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Loon-Plage →

Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.