Few mainland French towns get fewer days of 25 degrees or more than Helleville
January nights here settle around 5.4°C. Frost is rarer than in 98% of mainland French towns: about 5 nights a year drop below freezing. Rain peaks in December and eases off in July. Picnics, hikes and garden evenings come into their own from June to September, with highs of 18–21°C.
These are the figures of Météo-France’s Cherbourg-Homet station, 16 km north-east.
A year in Helleville at a glance
Each month’s typical high and low in °C, at the Cherbourg-Homet station.
What a year in Helleville feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cherbourg-Homet.
About 964 mm of rain a year
December is the wettest month and July the driest. About 31 days a year bring 10 mm or more. 13th wettest of 39 towns of 2,500+ in Manche.
Rain by month
Millimeters
5 frosts and 5 days of 25°C a year
On about 5 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 5 days a year reach 25°C, and under 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cherbourg-Homet: 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 Cherbourg-Homet
Cherbourg-Homet is 16 km north-east of Helleville. Every figure on this page is the station’s, not a measurement in Helleville itself.
| Station (Météo-France number) | Cherbourg-Homet (50129001) |
| Distance from the town | 16 km north-east |
| Station altitude | 19 m |
| Town altitude (its center) | 112 m |
| Period | 1991–2014 (the station’s own record) |
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 Helleville 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 Manche.
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 |
|---|---|---|---|---|
| Helleville | Cherbourg-Homet | 20.2°C | 5.4°C | 964 mm |
| Les Pieux 5.4 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| La Hague 11 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Bricquebec-en-Cotentin 14 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Cherbourg-en-Cotentin 15 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Valognes 23 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Port-Bail-sur-Mer 26 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
Helleville weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cherbourg-Homet station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 9.4°C | 5.4°C | 7.4°C | 105 mm |
| February | 9.4°C | 5.1°C | 7.3°C | 81 mm |
| March | 11.1°C | 6.3°C | 8.7°C | 66 mm |
| April | 12.9°C | 7.5°C | 10.2°C | 63 mm |
| May | 15.4°C | 9.9°C | 12.7°C | 55 mm |
| June | 18.4°C | 12.4°C | 15.4°C | 52 mm |
| July | 20.2°C | 14.5°C | 17.3°C | 48 mm |
| August | 20.7°C | 15.1°C | 17.9°C | 52 mm |
| September | 19.0°C | 13.8°C | 16.4°C | 67 mm |
| October | 16.2°C | 11.5°C | 13.8°C | 115 mm |
| November | 12.6°C | 8.5°C | 10.5°C | 122 mm |
| December | 10.0°C | 6.0°C | 8.0°C | 139 mm |
| Year | 14.6°C | 9.7°C | 12.1°C | 964 mm |
Where Helleville’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cherbourg-Homet, 16 km away: statistics for 1991–2020 (the station’s own years, 1991–2014, where its record is shorter).
- 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Manche.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Helleville’s climate
How warm does Helleville get in summer?
August is the warmest month, with average highs of 20.7°C. About 5 days a year reach 25°C, fewer than almost every mainland French town, and about under 1 reach 30°C.
How cold does Helleville get in winter?
February nights average 5.1°C. The air drops to 0°C or below on about 5 nights a year, and about 0 days a year stay below freezing all day.
How much rain does Helleville get?
About 964 mm a year, more than 85% of mainland French towns. December is the wettest month (139 mm) and July the driest (48 mm).
Are these figures for Helleville itself?
No: they are the normals of the Météo-France station matched to Helleville, Cherbourg-Homet, 16 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 CHERBOURG-HOMET, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Helleville →
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.