Pärnu Sea Temperature

(Today) 2025

11.8°C / 53.3°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

7°C / 45°F
(broken clouds)
Partly cloudy
Wind
6 mph
Humidity
87%

The measurements for the water temperature in Pärnu, Pärnumaa are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Pärnu water temperature derived from many years of historical sea surface temperature data.

Pärnu average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Pärnu
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.2 -1.1 -1.3 -1.1 2.6 10.8 16.4 16.9 12.5 6.8 3.3 -0.3
Max °C 3 1.1 1.1 4.9 12.8 18.7 22.5 21.4 19.3 14.6 10.1 7.5
Min °F 30.2 31 30.7 32.5 40.8 54.6 63.9 64.2 57.2 47.4 40.7 34.7
Max °F 35.3 33.1 33 38.4 51 62.5 70 68.7 64 55.2 47.5 42.4

The warmest water temperature is in July with an average around 66.9°F / 19.4°C. The coldest month is March with an average water temperature of 31.8°F / -0.1°C.