Measurements:
°C
°F
Tallinn
56°F
SE 7 mph
Feels like: 54°F
Precip: 0%
World Resorts Estonia Tallinn Weather

7 Day Weather Forecast

05.17
sun
DAY
54°F
E 6 mph
precip
0%
NIGHT
42°F
E 3 mph
precip
0%
05.18
mon
DAY
52°F
SW 8 mph
precip
0%
NIGHT
46°F
SW 9 mph
precip
100%
05.19
tue
DAY
52°F
SW 2 mph
precip
62%
NIGHT
50°F
E 5 mph
precip
0%
05.20
wed
DAY
54°F
E 11 mph
precip
0%
NIGHT
46°F
E 8 mph
precip
0%
05.21
thu
DAY
58°F
SW 2 mph
precip
0%
NIGHT
50°F
W 4 mph
precip
0%
05.22
fri
DAY
50°F
N 4 mph
precip
100%
NIGHT
46°F
E 11 mph
precip
0%
05.23
sat
DAY
46°F
E 15 mph
precip
87%
NIGHT
46°F
NE 12 mph
precip
0%

Tallinn Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Tallinn was 5.9°F. The maximum and minimum values were 3.9°F and 6.9°F respectively.

Tallinn on the Weather Map

Best Time to Visit Tallinn
The most sunny months:
July 15 days
June 14 days
May 14 days
The most warm months:
July 70.2 °F
August 69.3 °F
June 64.1 °F
Warmest sea temperature:
August 66.7 °F
July 64.3 °F
September 60.9 °F
The most cold months:
January 26.9 °F
February 27.2 °F
December 32.4 °F
The most rainy months:
August 5 days
October 4 days
September 4 days
The most windy months:
December 14 mph
November 12 mph
January 12 mph