Arreau

Commune in Occitania, France

Coat of arms

Location of Arreau

(2020–2026) Philippe Carrère^[1]Area

11.12 km² (4.29 sq mi)Population

(2021)^[2]

752 • Density68/km² (180/sq mi)Time zoneUTC+01:00 (CET) • Summer (DST)UTC+02:00 (CEST)INSEE/Postal code

65031 /65240

Elevation658–1,756 m (2,159–5,761 ft)
(avg. 730 m or 2,400 ft)¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Arreau (French pronunciation: [aʁo]; Occitan: Àrreu) is a commune in the Hautes-Pyrénées department in southwestern France.^[3]

It is situated on the former Route nationale 618, the Route of the Pyrénées. Arreau is at the crossroads of the Louron valley and the Aure valley.

Geography

Climate

Arreau has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Arreau is 9.6 °C (49.3 °F). The average annual rainfall is 894.8 mm (35.23 in) with November as the wettest month. The temperatures are highest on average in July, at around 17.6 °C (63.7 °F), and lowest in January, at around 2.0 °C (35.6 °F). The highest temperature ever recorded in Arreau was 38.5 °C (101.3 °F) on 30 July 1983; the coldest temperature ever recorded was −23.0 °C (−9.4 °F) on 3 February 1956.

Climate data for Arreau (1981−2010 normals, extremes 1943−2015)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	24.0 (75.2)	27.5 (81.5)	27.0 (80.6)	29.0 (84.2)	36.0 (96.8)	37.0 (98.6)	38.5 (101.3)	38.0 (100.4)	35.0 (95.0)	30.5 (86.9)	25.2 (77.4)	22.5 (72.5)	38.5 (101.3)
Mean daily maximum °C (°F)	7.0 (44.6)	9.4 (48.9)	12.3 (54.1)	13.8 (56.8)	17.6 (63.7)	21.0 (69.8)	23.6 (74.5)	23.5 (74.3)	20.8 (69.4)	17.2 (63.0)	11.0 (51.8)	7.1 (44.8)	15.4 (59.7)
Daily mean °C (°F)	2.0 (35.6)	3.5 (38.3)	6.1 (43.0)	7.9 (46.2)	11.7 (53.1)	15.0 (59.0)	17.6 (63.7)	17.3 (63.1)	14.4 (57.9)	11.0 (51.8)	5.7 (42.3)	2.5 (36.5)	9.6 (49.3)
Mean daily minimum °C (°F)	−3.1 (26.4)	−2.5 (27.5)	−0.1 (31.8)	2.0 (35.6)	5.8 (42.4)	9.1 (48.4)	11.5 (52.7)	11.1 (52.0)	7.9 (46.2)	4.7 (40.5)	0.3 (32.5)	−2.2 (28.0)	3.7 (38.7)
Record low °C (°F)	−19.0 (−2.2)	−23.0 (−9.4)	−20.0 (−4.0)	−8.2 (17.2)	−5.0 (23.0)	−2.0 (28.4)	1.0 (33.8)	0.0 (32.0)	−3.0 (26.6)	−7.5 (18.5)	−15.8 (3.6)	−20.0 (−4.0)	−23.0 (−9.4)
Average precipitation mm (inches)	90.0 (3.54)	60.9 (2.40)	70.2 (2.76)	84.6 (3.33)	88.2 (3.47)	66.7 (2.63)	59.4 (2.34)	61.2 (2.41)	62.4 (2.46)	70.9 (2.79)	93.2 (3.67)	87.1 (3.43)	894.8 (35.23)
Average precipitation days (≥ 1.0 mm)	10.0	8.7	10.2	12.1	13.2	9.8	7.3	8.4	8.6	10.1	10.1	10.4	118.8
Source: Météo-France^[4]

Population

Historical population
Year	Pop.	±% p.a.
1968	936	—
1975	913	−0.35%
1982	816	−1.59%
1990	853	+0.56%
1999	823	−0.40%
2009	786	−0.46%
2014	798	+0.30%
2020	772	−0.55%
Source: INSEE^[5]

References

^ "Répertoire national des élus: les maires" (in French). data.gouv.fr, Plateforme ouverte des données publiques françaises. 13 September 2022.
^ "Populations légales 2021". The National Institute of Statistics and Economic Studies. 28 December 2023.
^ INSEE commune file
^ "Fiche Climatologique Statistiques 1981-2010 et records" (PDF) (in French). Météo-France. Retrieved September 10, 2022.
^ Population en historique depuis 1968, INSEE