Germ is among the frostiest of mainland French towns
Sunny July days climb to about 21.3°C. Of the 14 towns of 2,500+ in Hautes-Pyrénées, it is the wettest. The gap between a January night and a July afternoon is 24°C. Wet days, with 1 mm of rain or more, come about 147 times a year.
These are the figures of Météo-France’s Génos station, 5.7 km south.
A year in Germ at a glance
Each month’s typical high and low in °C, at the Génos station.
What a year in Germ feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Génos.
About 1,520 mm of rain a year
November is the wettest month and February the driest. About 53 days a year bring 10 mm or more. The wettest of 14 towns of 2,500+ in Hautes-Pyrénées.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Campistrous
A frosty town: 118 frosts and 27 days of 25°C a year
On about 118 nights a year the air drops to 0°C or below, and on about 29 days it stays below freezing all day. About 27 days a year reach 25°C, and 4 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Génos: 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 Génos
Génos is 5.7 km south of Germ. Every figure on this page is the station’s, not a measurement in Germ itself.
| Station (Météo-France number) | Génos (65195001) |
| Distance from the town | 5.7 km south |
| Station altitude | 1,252 m |
| Town altitude (its center) | 1,362 m |
| Period | 1991–2020 |
| Nearest station of any kind | 1 km |
| Sunshine measured at | Campistrous, 37 km away |
Germ sits 110 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Germ to run about 0.7°C cooler than these figures.
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 Germ 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 Hautes-Pyrénées.
Germ weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Génos station; sunshine at Campistrous.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 3.6°C | −2.5°C | 0.6°C | 115 mm | 108 |
| February | 4.2°C | −2.8°C | 0.7°C | 89 mm | 134 |
| March | 8.5°C | −0.5°C | 4.0°C | 105 mm | 164 |
| April | 11.1°C | 1.9°C | 6.5°C | 154 mm | 168 |
| May | 14.8°C | 5.3°C | 10.1°C | 157 mm | 184 |
| June | 18.8°C | 8.6°C | 13.7°C | 136 mm | 202 |
| July | 21.3°C | 10.5°C | 15.9°C | 112 mm | 210 |
| August | 21.5°C | 10.9°C | 16.2°C | 110 mm | 204 |
| September | 17.5°C | 7.8°C | 12.7°C | 120 mm | 192 |
| October | 13.0°C | 5.4°C | 9.2°C | 150 mm | 160 |
| November | 6.7°C | 0.8°C | 3.7°C | 163 mm | 118 |
| December | 4.3°C | −1.4°C | 1.5°C | 109 mm | 117 |
| Year | 12.1°C | 3.7°C | 7.9°C | 1,520 mm | 1,960 |
Where Germ’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Génos, 5.7 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, Campistrous, 37 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 Hautes-Pyrénées.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Germ’s climate
How warm does Germ get in summer?
August is the warmest month, with average highs of 21.5°C. About 27 days a year reach 25°C, fewer than 93% of mainland French towns, and about 4 reach 30°C.
How cold does Germ get in winter?
February nights average −2.8°C. The air drops to 0°C or below on about 118 nights a year, and about 29 days a year stay below freezing all day.
How much rain does Germ get?
About 1,520 mm a year, more than almost every mainland French town. November is the wettest month (163 mm) and February the driest (89 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Campistrous (37 km away), averages 1,960 hours of sunshine a year.
Are these figures for Germ itself?
No: they are the normals of the Météo-France station matched to Germ, Génos, 5.7 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 GENOS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Germ →
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.