Rostrenen
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Rostrenen (French pronunciation: [ʁɔstʁənɛ̃]; Breton: Rostrenenn) is a commune in the French department of Côtes-d'Armor, in Brittany.
The commune is listed as a Village étape.
Geography
Neighbouring communes
Rostrenen is border by Mellionnec to the south, Plouguernevel to the east, Kergrist-Moëlou to the north, and Glomel to the west.
Climate
Rostrenen has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Rostrenen is 11.1 °C (52.0 °F). The average annual rainfall is 1,146.6 mm (45.14 in) with December as the wettest month. The temperatures are highest on average in August, at around 17.3 °C (63.1 °F), and lowest in January, at around 5.6 °C (42.1 °F). The highest temperature ever recorded in Rostrenen was 39.3 °C (102.7 °F) on 18 July 2022; the coldest temperature ever recorded was −13.9 °C (7.0 °F) on 20 January 1963.
| Climate data for Rostrenen (1991–2020 averages, extremes 1954−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 15.8 (60.4) | 21.3 (70.3) | 24.1 (75.4) | 27.2 (81.0) | 28.5 (83.3) | 35.7 (96.3) | 39.3 (102.7) | 37.9 (100.2) | 32.3 (90.1) | 28.8 (83.8) | 19.2 (66.6) | 16.0 (60.8) | 39.3 (102.7) |
| Mean daily maximum °C (°F) | 8.0 (46.4) | 8.8 (47.8) | 11.3 (52.3) | 13.9 (57.0) | 16.9 (62.4) | 19.8 (67.6) | 21.7 (71.1) | 21.9 (71.4) | 19.4 (66.9) | 15.2 (59.4) | 11.2 (52.2) | 8.6 (47.5) | 14.7 (58.5) |
| Daily mean °C (°F) | 5.6 (42.1) | 5.8 (42.4) | 7.8 (46.0) | 9.7 (49.5) | 12.6 (54.7) | 15.3 (59.5) | 17.1 (62.8) | 17.3 (63.1) | 15.2 (59.4) | 12.0 (53.6) | 8.5 (47.3) | 6.1 (43.0) | 11.1 (52.0) |
| Mean daily minimum °C (°F) | 3.1 (37.6) | 2.9 (37.2) | 4.2 (39.6) | 5.5 (41.9) | 8.2 (46.8) | 10.7 (51.3) | 12.5 (54.5) | 12.7 (54.9) | 10.9 (51.6) | 8.7 (47.7) | 5.8 (42.4) | 3.7 (38.7) | 7.4 (45.3) |
| Record low °C (°F) | −13.9 (7.0) | −12.0 (10.4) | −7.9 (17.8) | −3.2 (26.2) | −0.2 (31.6) | 2.9 (37.2) | 5.9 (42.6) | 5.6 (42.1) | 3.0 (37.4) | −1.9 (28.6) | −5.2 (22.6) | −9.6 (14.7) | −13.9 (7.0) |
| Average precipitation mm (inches) | 135.4 (5.33) | 109.4 (4.31) | 82.8 (3.26) | 81.2 (3.20) | 76.4 (3.01) | 57.0 (2.24) | 66.7 (2.63) | 67.7 (2.67) | 75.7 (2.98) | 120.3 (4.74) | 127.9 (5.04) | 146.1 (5.75) | 1,146.6 (45.14) |
| Average precipitation days (≥ 1.0 mm) | 16.3 | 14.2 | 12.8 | 12.2 | 10.4 | 9.0 | 10.0 | 10.1 | 10.3 | 14.9 | 16.4 | 17.4 | 154.1 |
| Source: Meteociel |
Population
In French the inhabitants of Rostrenen are known as Rostrenois.
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1968 | 3,658 | — |
| 1975 | 3,875 | +0.83% |
| 1982 | 3,868 | −0.03% |
| 1990 | 3,664 | −0.67% |
| 1999 | 3,616 | −0.15% |
| 2007 | 3,392 | −0.80% |
| 2012 | 3,256 | −0.82% |
| 2017 | 3,060 | −1.23% |
| 2023 | 3,282 | +1.17% |
| Source: INSEE |
Map
Breton language
On 13 September 2004 the municipality launched a linguistic plan as part of the Ya d'ar brezhoneg (Yes to Breton) campaign. In 2008, 34.5% of primary children attended bilingual schools.
See also
External links
- (in French)
- Base Mérimée: , Ministère français de la Culture. (in French)