Best Time to Visit Lahti
Best time: Jun, Jul, May, Aug.
Jul is warmest (22.2°C high); Aug is rainiest (81 mm).
Lahti weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -3.6 | -10 | 43 | 0.4 |
| Feb | -3.7 | -11.2 | 32 | 1.4 |
| Mar | 1.3 | -6.9 | 35 | 3.4 |
| Apr | 7.3 | -1.8 | 34 | 5.8 |
| May | 15.9 | 3.8 | 36 | 8.3 |
| Jun | 20.4 | 8.9 | 54 | 9.1 |
| Jul | 22.2 | 11.1 | 78 | 8.6 |
| Aug | 19.8 | 9.6 | 81 | 6.5 |
| Sep | 13.5 | 4.9 | 63 | 3.7 |
| Oct | 7.3 | 1.1 | 64 | 1.6 |
| Nov | 1.6 | -3.2 | 60 | 0.5 |
| Dec | -1.9 | -7.8 | 52 | 0.2 |
Average high temperature
Best months by activity
Overall: JunJulMayAug
Beaches: JunMay
Hiking: MayJunJulAug
Sightseeing: JunJulMayAug
Lahti quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Oct, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Lahti?
Jun, Jul, May, Aug.
What is the rainiest month?
Aug, about 81 mm.
What is the warmest month?
Jul, with average highs of 22.2°C.
Where to stay
See Lahti hotels · Book Lahti tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.