What You Need to Know About Haute-Garonne
In fact, the department 31 of France is called Haute-Garonne. It is a department that is part of the Occitanie region. Its location is in the southwestern section of the country. And the name Garonne obviously comes from the river that runs through department 31.
Indeed, the population of department 31 of France is 1,400,039 inhabitants while its area amounts to 6,309 km2. This means that the population density per km2 is 222. This indicates that Haute-Garonne is the 13th most populated department in France. Furthermore, its main city, administrative center, and prefecture is called Toulouse, the fourth most populated city in the country. The Haute-Garonne department is divided into 3 arrondissements, 27 cantons, and 586 communes.

Which Departments Border the Haute-Garonne Department?
Since department 31 currently belongs to the Occitanie region, the departments of that region are its neighbors: Hautes-Pyrénées, the Tarn-et-Garonne department, the Gers department, the Tarn department, the Aude department, and the Ariège department. The Haute-Garonne department also shares borders with the Spanish provinces of Lleida and Huesca.
What Is the Climate Like in the Haute-Garonne Department?
There are 3 types of climate in the Haute-Garonne department, the first being polar type, the second subarctic type, and the last oceanic type. Some classifications claim that the climate of Haute-Garonne is temperate, strongly influenced by Mediterranean climates.
When you go to the northern part, that is to say the northern plains, the summer periods are hot and dry and the winter periods are mild. On the other hand, when you go to the mountains, that is to say the southern part of the department, the winter periods are snowy and the summer periods are rainy.
Annual temperatures range between 2.2 °C and 28.3 °C, with the hottest temperatures reaching 33.8 °C and the coldest -3.3 °C. The most ideal periods to visit Haute-Garonne are from June to September, about 3.1 months, and during this period, average temperatures hover around 24 °C. However, during the hottest month of the year, that is July, the average maximum temperature is 18 °C.
Regarding the cold season, that is the winter period, it lasts about 3.7 months and extends from November to March. During this time, the daily temperature oscillates around 15 °C. And during the coldest month, that is January, average temperatures range from 2 to 9.4 °C.
What Are the Most Important Cities in the Haute-Garonne Department?
To make this ranking, we categorized the cities that are the best in terms of tourist visits:
- Toulouse
- Tournefeuille
- Blagnac
- Plaisance-du-Touch
- L’Union
- Colomiers
- Muret
- Cugnaux
- Balma
- Ramonville-Saint-Agne

What Are the Most Important Communes of Haute-Garonne?
Here are the most important communes of the Haute-Garonne department ranked by largest area:
- Toulouse
- Muret
- Bagnères-de-Luchon
- Boutx
- Fronton
- Montesquieu-Volvestre
- Cintegabelle
- Saint-Félix-Lauragais
- Villemur-sur-Tarn
- Melles
We have ranked these municipalities of Haute-Garonne from the most populated to the least populated, that is, according to the density of inhabitants per km2:
- Toulouse
- Tournefeuille
- Blagnac
- Cugnaux
- L’Union
- Colomiers
- Muret
- Plaisance-du-Touch
- Balma
- Saint-Gaudens
