Lannion in May
6.4out of 10
Possible, with caveats
Cool: highs only around 14°C. Frequent rain: about 10 rainy days.
14°CAvg high
11°CAvg low
10Rainy days (58 mm)
15:02 hDaylight
06:39Sunrise · 21:41 Sunset
Why this score
- Cool: highs only around 14°C
- Frequent rain: about 10 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.6 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 7°C | 104 mm | 17 | – | – | 4.7 |
| February | 9°C | 6°C | 88 mm | 14 | – | – | 5.1 |
| March | 10°C | 7°C | 70 mm | 13 | – | – | 5.4 |
| April | 11°C | 8°C | 70 mm | 12 | – | – | 5.8 |
| May | 14°C | 11°C | 58 mm | 10 | – | – | 6.4 |
| June | 16°C | 13°C | 48 mm | 9 | – | – | 7.0 |
| July | 18°C | 15°C | 42 mm | 9 | – | – | 7.2 |
| August | 18°C | 15°C | 50 mm | 10 | – | – | 7.2 |
| September | 17°C | 14°C | 55 mm | 10 | – | – | 7.0 |
| October | 15°C | 12°C | 97 mm | 15 | – | – | 5.9 |
| November | 12°C | 10°C | 115 mm | 17 | – | – | 5.1 |
| December | 10°C | 8°C | 128 mm | 17 | – | – | 4.6 |
Frequently asked questions
How hot is Lannion in May?
Daytime highs average 14°C and nights about 11°C.
When is the best time to visit Lannion?
The best months are July, August, June, September.