World Resorts Finland Lahti Weather

Lahti 7 Days Forecast

17.05
sun
Day
59°F
NE 8 mph
Precip.
0%
Night
45°F
NE 4 mph
Precip.
0%
18.05
mon
Day
63°F
W 2 mph
Precip.
0%
Night
50°F
SW 4 mph
Precip.
0%
19.05
tue
Day
57°F
NW 3 mph
Precip.
0%
Night
54°F
SE 4 mph
Precip.
0%
20.05
wed
Day
57°F
SE 6 mph
Precip.
0%
Night
52°F
SE 3 mph
Precip.
0%
21.05
thu
Day
66°F
NE 2 mph
Precip.
0%
Night
50°F
NE 4 mph
Precip.
0%
22.05
fri
Day
55°F
W 2 mph
Precip.
61%
Night
50°F
E 3 mph
Precip.
66%
23.05
sat
Day
52°F
E 7 mph
Precip.
100%
Night
48°F
E 11 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 45.8°F. The highest and lowest sea temperatures during the month were 49.8°F and 41.0°F.

Air temperature in Lahti, °F

Precipitation total in Lahti, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Lahti

Sunniest months:
May 12 days
June 12 days
July 11 days
Warmest months:
July 71.5 °F
August 68.3 °F
June 67.2 °F
Warmest sea temp:
August 67.9 °F
July 65.5 °F
September 61.5 °F
Coldest months:
January 22.9 °F
February 25.2 °F
December 28.8 °F
Rainiest months:
August 4 days
July 4 days
June 4 days
Windiest months:
December 7.6 mph
March 7.5 mph
October 7.3 mph

Lahti on a weather map

Lahti
+61°F
NE 9 mph
Feels like: +61°F
Precip.: 0%
Places in Finland:
Name
°F
+52°F
+59°F
+64°F
+45°F
+50°F
+61°F
+48°F
+50°F
+54°F
+46°F
+50°F
+54°F
+57°F
+63°F
24 Hours Forecast
Lahti
Local time: 13:50
May 17, sunday
1500
61°F
NE
9 mph
1800
61°F
NE
9 mph
2100
52°F
NE
6 mph
May 18, monday
0000
45°F
NE
4 mph
0300
41°F
E
2 mph
0600
43°F
SE
2 mph
0900
55°F
SW
2 mph
1200
63°F
W
2 mph
Units of measurement: °C / °F