France vs France · 1991–2020
Saint-Jean-sur-Couesnon or
Rennes?
Saint-Jean-sur-Couesnon peaks in July (90), Rennes in July (90). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Saint-Jean-sur-Couesnon day | Saint-Jean-sur-Couesnon rain | Rennes day | Rennes rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 9.2°C | 67 mm | 9.2°C | 67 mm | 8 h 44 / 8 h 46 | level · 18 |
| February | 10.2°C | 52 mm | 10.2°C | 52 mm | 10 h 07 / 10 h 08 | level · 24 |
| March | 13.2°C | 49 mm | 13.2°C | 49 mm | 11 h 44 / 11 h 44 | level · 38 |
| April | 16°C | 51 mm | 16°C | 51 mm | 13 h 35 / 13 h 35 | level · 49 |
| May | 19.4°C | 58 mm | 19.4°C | 58 mm | 15 h 10 / 15 h 09 | level · 66 |
| June | 22.6°C | 51 mm | 22.6°C | 51 mm | 16 h 04 / 16 h 02 | level · 84 |
| July | 24.8°C | 44 mm | 24.8°C | 44 mm | 15 h 42 / 15 h 41 | level · 90 |
| August | 24.8°C | 43 mm | 24.8°C | 43 mm | 14 h 19 / 14 h 18 | level · 90 |
| September | 21.9°C | 57 mm | 21.9°C | 57 mm | 12 h 31 / 12 h 31 | level · 79 |
| October | 17.2°C | 73 mm | 17.2°C | 73 mm | 10 h 44 / 10 h 44 | level · 55 |
| November | 12.5°C | 73 mm | 12.5°C | 73 mm | 9 h 09 / 9 h 10 | level · 32 |
| December | 9.6°C | 73 mm | 9.6°C | 73 mm | 8 h 21 / 8 h 23 | level · 18 |
Comfort scores compare climate and nothing else — not cost, crowds, flights or what there is to do when you arrive. Two places can also read stations of very different quality: check the distance in the caption above before treating a one-point gap as meaningful.