Measurements:
°C
°F
CURRENT WEATHER
11:03
Porvoo
34°F
N 7 mph
Feels like: 28°F
Precip: 0%
World Resorts Finland Porvoo Weather

7 Day Weather Forecast

03.30
mon
DAY
34°F
N 7 mph
precip
0%
NIGHT
32°F
W 7 mph
precip
0%
03.31
tue
DAY
36°F
S 7 mph
precip
0%
NIGHT
32°F
S 7 mph
precip
0%
04.01
wed
DAY
36°F
E 2 mph
precip
0%
NIGHT
32°F
NE 9 mph
precip
0%
04.02
thu
DAY
34°F
NE 9 mph
precip
0%
NIGHT
34°F
NE 11 mph
precip
100%
04.03
fri
DAY
34°F
NE 14 mph
precip
0%
NIGHT
34°F
W 4 mph
precip
100%
04.04
sat
DAY
34°F
E 17 mph
precip
87%
NIGHT
36°F
N 16 mph
precip
100%
04.05
sun
DAY
36°F
NE 19 mph
precip
62%
NIGHT
42°F
NE 19 mph
precip
0%

Porvoo Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Porvoo was -0.3°F. The maximum and minimum values were -1.8°F and 1.1°F respectively.

Porvoo on the Weather Map

Best Time to Visit Porvoo
The most sunny months:
June 15 days
July 15 days
May 13 days
The most warm months:
July 68.0 °F
August 67.5 °F
June 61.0 °F
Warmest sea temperature:
August 65.2 °F
July 64.4 °F
September 59.5 °F
The most cold months:
February 24.8 °F
January 25.0 °F
March 31.4 °F
The most rainy months:
August 5 days
October 4 days
September 4 days
The most windy months:
December 14 mph
October 14 mph
November 14 mph
more details