Measurements:
°C
°F
Parnu
18°F
S 13 mph
Feels like: 4°F
Precip: 81%
World Resorts Estonia Parnu Weather

Parnu Sea Water Temperature

Current Sea Water Temperature:
+28.0°F
Maximum Sea Water Temperature in January: 36.0°F
Minimum Sea Water Temperature in January: 26.0°F
Average water temperature in January: 29.3°F

Sea Water Temperature for the Last 10 Days:

January 10 28.0°F January 05 30.8°F
January 09 28.6°F January 04 30.8°F
January 08 30.4°F January 03 30.8°F
January 07 30.4°F January 02 30.8°F
January 06 30.4°F January 01 31.0°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 26.0 °F
February 26.9 °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 +20
Kohtla-Järve +20
Kunda +20
Kuressaare +20
Narva +16
Otepaa +16
Parnu +18
Saaremaa +20
Sillamäe +20
Tallinn +20
Tartu +16
Toila +20
Valga +14
Varska +10
Võru +12
24 Hours Weather Forecast
Parnu
Local time: 22:34
11 jan, sunday
0000 18°F
S
13 mph
0300 18°F
S
12 mph
0600 18°F
S
13 mph
0900 18°F
S
12 mph
1200 20°F
S
12 mph
1500 20°F
S
11 mph
1800 20°F
S
11 mph
2100 20°F
S
11 mph