Measurements:
°C
°F
Parnu
56°F
NE 8 mph
Feels like: 54°F
Precip: 0%
World Resorts Estonia Parnu Weather

Parnu Sea Water Temperature

Current Sea Water Temperature:
+54.4°F
Maximum Sea Water Temperature in May: 71.0°F
Minimum Sea Water Temperature in May: 34.2°F
Average water temperature in May: 50.9°F

Sea Water Temperature for the Last 10 Days:

May 17 54.4°F May 12 49.8°F
May 16 52.0°F May 11 48.8°F
May 15 51.6°F May 10 46.0°F
May 14 49.4°F May 09 49.0°F
May 13 48.4°F May 08 47.6°F

When is the Warmest Sea for Parnu?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Parnu was 68.9°F. The maximum and minimum values were 63.0°F and 74.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Parnu was 68.8°F. The maximum and minimum values were 63.0°F and 76.4°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Parnu was 62.2°F. The maximum and minimum values were 59.8°F and 64.6°F respectively.

Best Time to Visit Parnu
The most sunny months:
June 14 days
May 14 days
July 13 days
The most warm months:
July 73.2 °F
August 71.0 °F
June 68.1 °F
Warmest sea temperature:
August 68.5 °F
July 67.5 °F
June 61.9 °F
The most cold months:
January 25.3 °F
February 26.4 °F
December 31.7 °F
The most rainy months:
July 5 days
August 5 days
October 4 days
The most windy months:
December 11 mph
October 10 mph
November 9 mph

Parnu on the Weather Map

Estonia Resorts:
NAME
Jõhvi +50
Kohtla-Järve +50
Kunda +54
Kuressaare +54
Narva +56
Otepaa +54
Parnu +56
Saaremaa +54
Sillamäe +50
Tallinn +56
Tartu +54
Toila +50
Valga +52
Varska +56
Võru +58
24 Hours Weather Forecast
Parnu
Local time: 15:34
17 may, sunday
1800 56°F
E
7 mph
2100 50°F
E
6 mph
18 may, monday
0000 44°F
SE
6 mph
0300 42°F
S
6 mph
0600 44°F
SW
6 mph
0900 52°F
SW
8 mph
1200 60°F
SW
9 mph
1500 58°F
W
9 mph