All data are in degrees Fahrenheit

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Water temperature in Mirny

Detailed information about the current water temperature in Mirny. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Mirny now

43.3

°F

March 5, 18:06

Trend:

stable

Yesterday:

42.0°F

Tomorrow:

43.3°F

Sunrise:

07:20

Sunset:

18:40

Day Length:

11 h. 20 min.

Mirny in March

Minimum:

45.4°F

Average:

48.5°F

Maximum:

50.8°F

Sea water temperature in Mirny today

As of now, in Mirny, the water temperature is 43.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.7°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 46.5°F on 2016, while the historical minimum was 43.1°F on 2025.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 43.8°F, with minimum temperature starting at 43.3°F, while the maximum might reach 44.4°F.

Daily water temperature in Mirny

Date Current Year

actual* / forecast**

last year 10 years average
Feb 19 43.8°F 43.8°F 44.7°F
Feb 20 45.1°F 43.6°F 44.7°F
Feb 21 43.4°F 43.7°F 44.5°F
Feb 22 43.3°F 43.7°F 44.4°F
Feb 23 43.6°F 43.0°F 44.7°F
Feb 24 44.0°F 43.1°F 44.5°F
Feb 25 44.1°F 42.6°F 44.7°F
Feb 26 44.1°F 42.7°F 44.7°F
Feb 27 44.0°F 43.5°F 44.8°F
Feb 28 44.5°F 43.5°F 44.9°F
Mar 1 43.3°F 43.4°F 44.8°F
Mar 2 42.1°F 43.3°F 44.8°F
Mar 3 43.0°F 43.6°F 45.1°F
Mar 4 42.0°F 43.4°F 44.7°F
Mar 5 43.3°F 43.1°F 45.0°F
Mar 6 43.3°F 42.2°F 44.9°F
Mar 7 43.6°F 44.0°F 45.3°F
Mar 8 43.6°F 43.3°F 45.3°F
Mar 9 43.9°F 43.7°F 45.6°F
Mar 10 43.9°F 43.8°F 45.5°F
Mar 11 44.1°F 44.0°F 45.8°F
Mar 12 44.4°F 45.0°F 46.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Mirny by month

In Mirny, the months July through August offer comfortable swimming conditions, which amounts to 78 swimming days.
The warmest water in Mirny was recorded on July 30, 2025, reaching a 81.2°F. While the coldest temperature occurred on March 4, 2026, dipping to 42.0°F. The average readings by season are 47.8°F in Winter, 52.3°F in Spring, 74.1°F in Summer, and 65.0°F in Autumn.