Castelvieilh
# Castelvieilh

Castelvieilh (French pronunciation: ​; Occitan: Castèthvièlh) is a commune in the Hautes-Pyrénées department in south-western France.

## Geography

### Climate

Castelvieilh has a oceanic climate (Köppen climate classification Cfb) closely bordering on a humid subtropical climate (Cfa). The average annual temperature in Castelvieilh is 13.5 °C (56.3 °F). The average annual rainfall is 956.0 mm (37.64 in) with May as the wettest month. The temperatures are highest on average in August, at around 21.2 °C (70.2 °F), and lowest in January, at around 6.6 °C (43.9 °F). The highest temperature ever recorded in Castelvieilh was 39.6 °C (103.3 °F) on 4 August 2003; the coldest temperature ever recorded was −11.0 °C (12.2 °F) on 8 February 2012.

Climate data for Castelvieilh (1991−2020 normals, extremes 1988−2020) :

| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Record high °C (°F) | 22.3 (72.1) | 25.7 (78.3) | 28.0 (82.4) | 30.0 (86.0) | 32.3 (90.1) | 37.8 (100.0) | 38.5 (101.3) | 39.6 (103.3) | 35.0 (95.0) | 32.0 (89.6) | 26.0 (78.8) | 23.5 (74.3) | 39.6 (103.3) |
| Average high °C (°F) | 10.0 (50.0) | 11.3 (52.3) | 14.4 (57.9) | 16.8 (62.2) | 20.3 (68.5) | 23.7 (74.7) | 25.8 (78.4) | 26.1 (79.0) | 23.0 (73.4) | 18.9 (66.0) | 13.2 (55.8) | 10.8 (51.4) | 17.9 (64.2) |
| Daily mean °C (°F) | 6.6 (43.9) | 7.4 (45.3) | 9.9 (49.8) | 12.1 (53.8) | 15.5 (59.9) | 18.8 (65.8) | 20.9 (69.6) | 21.2 (70.2) | 18.3 (64.9) | 14.7 (58.5) | 9.7 (49.5) | 7.4 (45.3) | 13.5 (56.3) |
| Average low °C (°F) | 3.3 (37.9) | 3.5 (38.3) | 5.3 (41.5) | 7.4 (45.3) | 10.8 (51.4) | 13.9 (57.0) | 15.9 (60.6) | 16.3 (61.3) | 13.5 (56.3) | 10.5 (50.9) | 6.2 (43.2) | 4.1 (39.4) | 9.2 (48.6) |
| Record low °C (°F) | −7.1 (19.2) | −11.0 (12.2) | −8.3 (17.1) | 0.0 (32.0) | 0.3 (32.5) | 5.5 (41.9) | 9.0 (48.2) | 7.5 (45.5) | 4.5 (40.1) | −1.5 (29.3) | −6.0 (21.2) | −9.0 (15.8) | −11.0 (12.2) |
| Average precipitation mm (inches) | 85.6 (3.37) | 65.4 (2.57) | 70.6 (2.78) | 102.1 (4.02) | 104.8 (4.13) | 80.4 (3.17) | 67.6 (2.66) | 59.6 (2.35) | 63.8 (2.51) | 73.2 (2.88) | 102.4 (4.03) | 80.5 (3.17) | 956.0 (37.64) |
| Average precipitation days (≥ 1.0 mm) | 11.6 | 10.1 | 9.9 | 12.0 | 12.3 | 9.3 | 7.8 | 8.1 | 8.5 | 10.0 | 12.0 | 10.4 | 122.0 |
| Source: Météo-France ||||||||||||||
