Nantes vs Rennes: which is sunnier?
🇫🇷 France vs 🇫🇷 France · 102 km apart · long-term climate normals (NASA POWER, 2001–2020)
Nantes is the sunnier overall: about 1,989 hours of sunshine a year to Rennes's 1,848. Nantes has the higher Sunshine Score in 4 of 12 months, Rennes in 2 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Nantes | Rennes | |
|---|---|---|
| Sunshine hours / year | 1,989 | 1,848 |
| Sunniest month | June (82/100) | September (82/100) |
| Nov–Feb average score | 16/100 | 10/100 |
| Jun–Aug average score | 82/100 | 81/100 |
| Rain / year | 772 mm | 707 mm |
| Peak midday UV | 6 (high) | 6 (high) |
Nantes vs Rennes month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Nantes | Rennes | Nantes | Rennes | Nantes | Rennes | |
| January | 6 | 0 | 9° | 8° | 86 | 69 |
| February | 13 | 7 | 10° | 9° | 65 | 58 |
| March | 26 | 26 | 12° | 12° | 65 | 57 |
| April | 47 | 54 | 15° | 16° | 50 | 46 |
| May | 67 | 72 | 18° | 19° | 57 | 58 |
| June | 82 | 80 | 22° | 23° | 47 | 50 |
| July | 82 | 81 | 24° | 24° | 46 | 48 |
| August | 81 | 81 | 24° | 24° | 48 | 47 |
| September | 82 | 82 | 22° | 22° | 44 | 42 |
| October | 56 | 57 | 17° | 17° | 82 | 75 |
| November | 31 | 25 | 13° | 12° | 89 | 77 |
| December | 12 | 6 | 10° | 9° | 93 | 80 |
The sunnier month by month: Jan Nantes · Feb Nantes · Mar even · Apr Rennes · May Rennes · Jun even · Jul even · Aug even · Sep even · Oct even · Nov Nantes · Dec Nantes.
When to pick which
- November–February: Nantes (average score 16/100 vs 10). Daytime highs are similar (11°C vs 10°C). See the winter sun ranking.
- March–May: Rennes (average score 51/100 vs 47). Daytime highs are similar (15°C vs 16°C).
- June–August: too close to call — Nantes averages 82/100, Rennes 81/100. Daytime highs are similar (23°C vs 24°C).
- September–October: too close to call — Nantes averages 69/100, Rennes 70/100. Daytime highs are similar (20°C vs 20°C).
Full month-by-month guides: Nantes weather by month · Rennes weather by month · Best time to visit France.
More comparisons: Nantes vs Jersey · Nantes vs La Rochelle · Rennes vs Caen · Rennes vs Brest · Rennes vs Jersey · all head-to-heads