Measurements:
°C
°F
Lahti
32°F
N 3 mph
Feels like: 30°F
Precip: 18%
World Resorts Finland Lahti Weather

Lahti Sea Water Temperature

Current Sea Water Temperature:
+50.8°F
Maximum Sea Water Temperature in October: 59.4°F
Minimum Sea Water Temperature in October: 44.2°F
Average water temperature in October: 51.2°F

Sea Water Temperature for the Last 10 Days:

October 18 50.8°F October 13 53.2°F
October 17 52.2°F October 12 53.4°F
October 16 52.4°F October 11 53.8°F
October 15 52.6°F October 10 54.2°F
October 14 52.8°F October 09 54.6°F

When is the Warmest Sea for Lahti?

According to our data for the last three years for Lahti the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Lahti was 66.4°F. The maximum and minimum values were 64.0°F and 68.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Lahti was 68.0°F. The maximum and minimum values were 65.8°F and 71.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Lahti was 60.8°F. The maximum and minimum values were 56.6°F and 66.4°F respectively.

Best Time to Visit Lahti
The most sunny months:
May 11 days
June 11 days
July 11 days
The most warm months:
July 73.5 °F
August 70.2 °F
June 69.1 °F
Warmest sea temperature:
August 69.6 °F
July 67.3 °F
September 62.6 °F
The most cold months:
January 19.9 °F
February 22.5 °F
December 26.4 °F
The most rainy months:
June 4 days
July 4 days
May 3 days
The most windy months:
December 7 mph
March 7 mph
October 7 mph

Lahti on the Weather Map

Finland Resorts:
NAME
F°
Espoo +36
Helsinki +36
Imatra +34
Juvaskyla +30
Kemi +46
Koli National Park +38
Lahti +32
Lappeenranta +34
Oulu +36
Pori +34
Saariselka +38
Savolinna +34
Seinajoki +32
Turku +34
Vaasa +40
24 Hours Weather Forecast
Lahti
Local time: 08:51
19 oct, monday
0900 32°F
N
3 mph
1200 42°F
N
5 mph
1500 46°F
N
6 mph
1800 40°F
N
4 mph
2100 36°F
N
4 mph
20 oct, tuesday
0000 34°F
N
4 mph
0300 34°F
N
4 mph
0600 32°F
N
3 mph