Measurements:
°C
°F
CURRENT WEATHER
11:14
Lahti
66°F
S 11 mph
Feels like: 66°F
Precip: 0%
World Resorts Finland Lahti Weather

7 Day Weather Forecast

05.30
sat
DAY
66°F
S 11 mph
precip
0%
NIGHT
54°F
W 5 mph
precip
0%
05.31
sun
DAY
58°F
W 6 mph
precip
0%
NIGHT
46°F
NE 3 mph
precip
0%
06.01
mon
DAY
68°F
N 2 mph
precip
0%
NIGHT
54°F
NE 5 mph
precip
0%
06.02
tue
DAY
68°F
N 5 mph
precip
0%
NIGHT
50°F
N 3 mph
precip
0%
06.03
wed
DAY
56°F
SW 6 mph
precip
100%
NIGHT
52°F
S 4 mph
precip
0%
06.04
thu
DAY
62°F
W 9 mph
precip
79%
NIGHT
52°F
W 6 mph
precip
0%
06.05
fri
DAY
72°F
W 9 mph
precip
0%
NIGHT
58°F
SW 3 mph
precip
0%

Lahti Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Lahti was 9.7°F. The maximum and minimum values were 5.0°F and 14.4°F respectively.

Lahti on the Weather Map

Best Time to Visit Lahti
The most sunny months:
June 12 days
May 11 days
July 11 days
The most warm months:
July 73.9 °F
August 70.4 °F
June 69.1 °F
Warmest sea temperature:
August 69.9 °F
July 67.3 °F
September 62.7 °F
The most cold months:
January 19.9 °F
February 22.5 °F
December 26.4 °F
The most rainy months:
August 4 days
July 4 days
June 4 days
The most windy months:
December 7 mph
March 7 mph
October 7 mph
more details