Rostrenen
Rostrenenn | |
|---|---|
 The church of Notre-Dame du Roncier in Rostrenen | |
 Flag  Coat of arms | |
Location of Rostrenen  | |
  Rostrenen  Rostrenen | |
| Coordinates: 48°14′14″N 3°18′56″W / 48.2372°N 3.3155°W | |
| Country | France |
| Region | Brittany |
| Department | Côtes-d'Armor |
| Arrondissement | Guingamp |
| Canton | Rostrenen |
| Intercommunality | Kreiz-Breizh |
| Government | |
| • Mayor (2020–2026) | Guillaume Robic[1] |
| Area 1 | 32.17 km2 (12.42 sq mi) |
| Population (2021)[2] | 3,207 |
| • Density | 100/km2 (260/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| INSEE/Postal code | 22266 /22110 |
| Elevation | 152–262 m (499–860 ft) |
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Rostrenen (French pronunciation: [ʁɔstʁənɛ̃]; Breton: Rostrenenn) is a commune in the Côtes-d'Armor department and Brittany region of northwestern France.
Rostrenen is border by Mellionnec to the south, Plouguernevel to the east, Kergrist-Moëlou to the north, and Glomel to the west.
Rostrenen has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Rostrenen is 10.7 °C (51.3 °F). The average annual rainfall is 1,145.7 mm (45.11 in) with January as the wettest month. The temperatures are highest on average in August, at around 17.0 °C (62.6 °F), and lowest in January, at around 5.2 °C (41.4 °F). The highest temperature ever recorded in Rostrenen was 37.9 °C (100.2 °F) on 9 August 2003; the coldest temperature ever recorded was −13.9 °C (7.0 °F) on 20 January 1963.
| Climate data for Rostrenen (1981–2010 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) |
33.9 (93.0) |
35.1 (95.2) |
37.9 (100.2) |
32.3 (90.1) |
27.8 (82.0) |
19.2 (66.6) |
16.0 (60.8) |
37.9 (100.2) |
| Mean daily maximum °C (°F) | 7.6 (45.7) |
8.1 (46.6) |
10.8 (51.4) |
12.9 (55.2) |
16.2 (61.2) |
19.4 (66.9) |
21.4 (70.5) |
21.5 (70.7) |
19.0 (66.2) |
14.9 (58.8) |
10.8 (51.4) |
8.1 (46.6) |
14.3 (57.7) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.3 (41.5) |
7.4 (45.3) |
9.0 (48.2) |
12.2 (54.0) |
14.9 (58.8) |
17.0 (62.6) |
17.0 (62.6) |
15.0 (59.0) |
11.7 (53.1) |
8.1 (46.6) |
5.7 (42.3) |
10.7 (51.3) |
| Mean daily minimum °C (°F) | 2.7 (36.9) |
2.5 (36.5) |
4.0 (39.2) |
5.1 (41.2) |
8.1 (46.6) |
10.5 (50.9) |
12.5 (54.5) |
12.5 (54.5) |
10.9 (51.6) |
8.5 (47.3) |
5.3 (41.5) |
3.3 (37.9) |
7.2 (45.0) |
| 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) | 137.3 (5.41) |
104.9 (4.13) |
92.3 (3.63) |
82.2 (3.24) |
85.3 (3.36) |
55.0 (2.17) |
63.1 (2.48) |
58.5 (2.30) |
83.3 (3.28) |
126.2 (4.97) |
120.6 (4.75) |
137.0 (5.39) |
1,145.7 (45.11) |
| Average precipitation days (≥ 1.0 mm) | 16.6 | 13.7 | 13.8 | 12.6 | 11.6 | 8.8 | 9.6 | 9.5 | 10.6 | 15.1 | 15.5 | 16.2 | 153.6 |
| Mean monthly sunshine hours | 60.4 | 76.9 | 117.1 | 146.5 | 173.0 | 195.8 | 175.5 | 167.8 | 157.2 | 99.0 | 73.4 | 61.5 | 1,504.2 |
| Source: Météo France[3] | |||||||||||||
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% |
| Source: INSEE[4] | ||
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.[5]
