Rennes Weather in December
Rennes in December
The short of it: Rennes in December averages a high of 10 °C (49 °F) and a low of 4 °C (38 °F), with 85 mm (3.3 in) of rain and about 8 h 22 min of daylight. Rated 1 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 10° · low 4° · rain 85 mm · daylight 8 h 22 min
✦ Travel with care for a visit · best months: June & September
Thirty years of records give Rennes an average December high of 10°, a low of 4° and some 85 mm of rain. Much like November: highs about 10°, nights near 4°. A wool coat will serve you well. Wet spells are common — about 85 mm, the 3rd wettest month.
The sun is up for about 8 h 22 min in mid-December, 47 minutes less than a month before.
For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Rennes runs warmer than most and about as wet in December. Saint-Grégoire, 5 km to the N, sees much the same highs.
December in Rennes, by the numbers
- Warmth rank
- 11th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus November
- 3° colder, 11 mm less rain
- Versus January
- 1° warmer
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 8 h 22 min
- Average wind
- 14 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Saint-GrégoireBrittany | 5 km N | 10° | 4° | 85 mm |
| ChantepieBrittany | 5 km ESE | 10° | 4° | 83 mm |
| Cesson-SévignéBrittany | 5 km ENE | 10° | 4° | 83 mm |
| Vezin-le-CoquetBrittany | 6 km W | 10° | 4° | 87 mm |
| Saint-Jacques-de-la-LandeBrittany | 6 km SW | 10° | 4° | 86 mm |
| BettonBrittany | 8 km NNE | 10° | 3° | 84 mm |
| Chartres-de-BretagneBrittany | 8 km SSW | 10° | 4° | 85 mm |
| PacéBrittany | 9 km WNW | 10° | 4° | 88 mm |