Lahti in May
6.6out of 10
Possible, with caveats
Cool: highs only around 15°C. Frequent rain: about 10 rainy days.
15°CAvg high
5°CAvg low
10Rainy days (48 mm)
17:03 hDaylight
04:42Sunrise · 21:45 Sunset
Why this score
- Cool: highs only around 15°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±4.4 days)
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.4 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 | -3°C | -8°C | 41 mm | 10 | – | – | 3.7 |
| February | -3°C | -9°C | 34 mm | 8 | – | – | 4.0 |
| March | 1°C | -6°C | 33 mm | 9 | – | – | 4.1 |
| April | 8°C | -1°C | 35 mm | 9 | – | – | 5.4 |
| May | 15°C | 5°C | 48 mm | 10 | – | – | 6.6 |
| June | 19°C | 10°C | 75 mm | 12 | – | – | 6.9 |
| July | 21°C | 13°C | 76 mm | 13 | – | – | 7.3 |
| August | 20°C | 11°C | 68 mm | 12 | – | – | 7.1 |
| September | 14°C | 7°C | 51 mm | 10 | – | – | 6.5 |
| October | 7°C | 2°C | 57 mm | 11 | – | – | 5.2 |
| November | 2°C | -2°C | 50 mm | 11 | – | – | 4.2 |
| December | -1°C | -5°C | 48 mm | 12 | – | – | 3.5 |
Frequently asked questions
How hot is Lahti in May?
Daytime highs average 15°C and nights about 5°C.
When is the best time to visit Lahti?
The best months are July, August, June.