# Valromey-sur-Séran

Valromey-sur-Séran (French pronunciation:) is a commune in the Ain department in eastern France. The municipality was established on 1 January 2019 by merger of the former communes of Belmont-Luthézieu, Lompnieu, Sutrieu and Vieu.

## Geography
### Climate

Valromey-sur-Séran has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Valromey-sur-Séran is 9.3 °C (48.7 °F). The average annual rainfall is 1,413.2 mm (55.64 in) with December as the wettest month. The temperatures are highest on average in July, at around 18.3 °C (64.9 °F), and lowest in January, at around 0.8 °C (33.4 °F). The highest temperature ever recorded in Valromey-sur-Séran was 37.7 °C (99.9 °F) on 31 July 2022; the coldest temperature ever recorded was −24.1 °C (−11.4 °F) on 7 February 2020.
Climate data for Sutrieu, Valromey-sur-Séran (1991−2020 normals, extremes 2002−present) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 18.4 (65.1) | 17.4 (63.3) | 20.9 (69.6) | 24.8 (76.6) | 29.7 (85.5) | 33.9 (93.0) | 35.6 (96.1) | 36.4 (97.5) | 29.3 (84.7) | 24.0 (75.2) | 20.2 (68.4) | 17.9 (64.2) | 36.4 (97.5) |
| Mean daily maximum °C (°F) | 4.2 (39.6) | 4.8 (40.6) | 9.2 (48.6) | 13.9 (57.0) | 17.2 (63.0) | 22.0 (71.6) | 24.5 (76.1) | 23.5 (74.3) | 19.4 (66.9) | 14.4 (57.9) | 8.7 (47.7) | 5.2 (41.4) | 13.9 (57.0) |
| Daily mean °C (°F) | 0.8 (33.4) | 1.1 (34.0) | 4.8 (40.6) | 8.7 (47.7) | 12.0 (53.6) | 16.3 (61.3) | 18.3 (64.9) | 17.7 (63.9) | 14.3 (57.7) | 10.2 (50.4) | 5.2 (41.4) | 1.8 (35.2) | 9.3 (48.7) |
| Mean daily minimum °C (°F) | −2.5 (27.5) | −2.7 (27.1) | 0.3 (32.5) | 3.5 (38.3) | 6.7 (44.1) | 10.6 (51.1) | 12.1 (53.8) | 11.9 (53.4) | 9.2 (48.6) | 6.1 (43.0) | 1.6 (34.9) | −1.5 (29.3) | 4.6 (40.3) |
| Record low °C (°F) | −17.0 (1.4) | −17.4 (0.7) | −17.4 (0.7) | −8.8 (16.2) | −1.8 (28.8) | −0.6 (30.9) | 4.0 (39.2) | 3.4 (38.1) | −0.6 (30.9) | −6.2 (20.8) | −10.7 (12.7) | −17.7 (0.1) | −17.7 (0.1) |
| Average precipitation mm (inches) | 147.1 (5.79) | 104.1 (4.10) | 117.1 (4.61) | 97.8 (3.85) | 119.8 (4.72) | 102.1 (4.02) | 89.9 (3.54) | 94.5 (3.72) | 79.2 (3.12) | 141.4 (5.57) | 156.8 (6.17) | 163.4 (6.43) | 1,413.2 (55.64) |
| Average precipitation days (≥ 1.0 mm) | 13.1 | 10.1 | 11.4 | 9.8 | 12.4 | 10.2 | 8.8 | 8.9 | 8.1 | 10.9 | 11.6 | 12.6 | 128.0 |
| Source: Météo-France ||||||||||||||
Climate data for Vieu, Valromey-sur-Séran (1991−2020 normals, extremes 1990−2020) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 19.1 (66.4) | 20.5 (68.9) | 23.1 (73.6) | 26.9 (80.4) | 30.8 (87.4) | 36.0 (96.8) | 37.7 (99.9) | 37.0 (98.6) | 32.0 (89.6) | 26.6 (79.9) | 22.7 (72.9) | 17.2 (63.0) | 37.7 (99.9) |
| Mean daily maximum °C (°F) | 5.5 (41.9) | 6.7 (44.1) | 10.9 (51.6) | 14.5 (58.1) | 18.5 (65.3) | 22.4 (72.3) | 24.7 (76.5) | 24.6 (76.3) | 20.0 (68.0) | 15.5 (59.9) | 9.6 (49.3) | 6.3 (43.3) | 14.9 (58.8) |
| Daily mean °C (°F) | 1.4 (34.5) | 1.8 (35.2) | 5.2 (41.4) | 8.3 (46.9) | 12.3 (54.1) | 16.0 (60.8) | 18.1 (64.6) | 17.9 (64.2) | 14.0 (57.2) | 10.4 (50.7) | 5.3 (41.5) | 2.2 (36.0) | 9.4 (48.9) |
| Mean daily minimum °C (°F) | −2.8 (27.0) | −3.0 (26.6) | −0.5 (31.1) | 2.1 (35.8) | 6.2 (43.2) | 9.5 (49.1) | 11.4 (52.5) | 11.2 (52.2) | 8.0 (46.4) | 5.4 (41.7) | 1.0 (33.8) | −1.8 (28.8) | 3.9 (39.0) |
| Record low °C (°F) | −22.5 (−8.5) | −24.1 (−11.4) | −22.5 (−8.5) | −9.4 (15.1) | −5.3 (22.5) | −1.5 (29.3) | 2.0 (35.6) | −0.2 (31.6) | −3.0 (26.6) | −8.6 (16.5) | −15.0 (5.0) | −22.4 (−8.3) | −24.1 (−11.4) |
| Average precipitation mm (inches) | 142.7 (5.62) | 121.6 (4.79) | 124.7 (4.91) | 126.3 (4.97) | 138.2 (5.44) | 114.6 (4.51) | 124.0 (4.88) | 106.1 (4.18) | 127.4 (5.02) | 152.9 (6.02) | 165.4 (6.51) | 166.4 (6.55) | 1,610.3 (63.40) |
| Average precipitation days (≥ 1.0 mm) | 12.5 | 11.8 | 11.7 | 11.4 | 13.0 | 10.6 | 9.8 | 9.7 | 9.8 | 12.4 | 12.9 | 14.3 | 139.8 |
| Source: Météo-France ||||||||||||||