Summer warmth: Wallon-Cappel logs fewer 25-degree days than 89% of mainland French towns
On a normal January night the air cools to about 2.0°C. Of all months, November brings the most rain and April the least. Its yearly rainfall tops that of 66% of mainland French towns. Frost greets about 41 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s Watten station, 22 km north-west.
A year in Wallon-Cappel at a glance
Each month’s typical high and low in °C, at the Watten station.
What a year in Wallon-Cappel feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Watten.
About 823 mm of rain a year
November is the wettest month and April the driest. About 23 days a year bring 10 mm or more. 7th wettest of 200 towns of 2,500+ in Nord.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lille-Lesquin
41 frosts and 33 days of 25°C a year
On about 41 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 33 days a year reach 25°C, and 7 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Watten: 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.
The Météo-France station at Watten
Watten is 22 km north-west of Wallon-Cappel. Every figure on this page is the station’s, not a measurement in Wallon-Cappel itself.
| Station (Météo-France number) | Watten (59647001) |
| Distance from the town | 22 km north-west |
| Station altitude | 7 m |
| Town altitude (its center) | 52 m |
| Period | 1991–2020 |
| Nearest station of any kind | 13 km |
| Sunshine measured at | Lille-Lesquin, 47 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.
How Wallon-Cappel 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.
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.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Wallon-Cappel | Watten | 23.7°C | 2.0°C | 823 mm |
| Hazebrouck 4.3 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
| Morbecque 5.6 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
| Aire-sur-la-Lys 11 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
| Vieux-Berquin 12 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
| Steenvoorde 12 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
| Isbergues 12 km | same station | 23.7°C about the same | 2.0°C about the same | 823 mm |
Wallon-Cappel weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Watten station; sunshine at Lille-Lesquin.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.6°C | 2.0°C | 4.8°C | 70 mm | 62 |
| February | 8.5°C | 2.0°C | 5.3°C | 58 mm | 74 |
| March | 11.7°C | 3.5°C | 7.6°C | 50 mm | 127 |
| April | 15.5°C | 5.1°C | 10.3°C | 44 mm | 176 |
| May | 18.6°C | 8.3°C | 13.5°C | 56 mm | 196 |
| June | 21.3°C | 11.2°C | 16.3°C | 59 mm | 202 |
| July | 23.7°C | 13.4°C | 18.5°C | 67 mm | 210 |
| August | 23.8°C | 13.4°C | 18.6°C | 73 mm | 197 |
| September | 20.7°C | 10.8°C | 15.7°C | 72 mm | 155 |
| October | 16.1°C | 8.1°C | 12.1°C | 84 mm | 115 |
| November | 11.1°C | 5.0°C | 8.1°C | 97 mm | 62 |
| December | 7.9°C | 2.6°C | 5.2°C | 93 mm | 53 |
| Year | 15.5°C | 7.1°C | 11.3°C | 823 mm | 1,627 |
Where Wallon-Cappel’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Watten, 22 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, Lille-Lesquin, 47 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 Wallon-Cappel’s climate
How warm does Wallon-Cappel get in summer?
August is the warmest month, with average highs of 23.8°C. About 33 days a year reach 25°C, fewer than 89% of mainland French towns, and about 7 reach 30°C.
How cold does Wallon-Cappel get in winter?
January nights average 2.0°C. The air drops to 0°C or below on about 41 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Wallon-Cappel get?
About 823 mm a year, more than 66% of mainland French towns. November is the wettest month (97 mm) and April the driest (44 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lille-Lesquin (47 km away), averages 1,627 hours of sunshine a year.
Are these figures for Wallon-Cappel itself?
No: they are the normals of the Météo-France station matched to Wallon-Cappel, Watten, 22 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 WATTEN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Wallon-Cappel →
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.