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

43.6

°F

February 23, 17:20

Trend:

stable

Yesterday:

43.3°F

Tomorrow:

43.4°F

Sunrise:

07:37

Sunset:

18:26

Day Length:

10 h. 49 min.

Mirny in February

Minimum:

45.4°F

Average:

48.7°F

Maximum:

51.2°F

Sea water temperature in Mirny today

As of now, in Mirny, the water temperature is 43.6°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 1.2°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 46.0°F on 2016, while the historical minimum was 43.0°F on 2025.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 43.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Mirny

Date Current Year

actual* / forecast**

last year 10 years average
Feb 9 44.3°F 46.3°F 45.5°F
Feb 10 43.7°F 45.5°F 45.3°F
Feb 11 44.1°F 45.4°F 45.2°F
Feb 12 44.1°F 44.5°F 45.0°F
Feb 13 44.2°F 44.3°F 45.1°F
Feb 14 44.2°F 44.2°F 45.0°F
Feb 15 44.2°F 44.3°F 45.1°F
Feb 16 44.7°F 44.2°F 45.1°F
Feb 17 44.2°F 44.0°F 44.8°F
Feb 18 44.0°F 44.1°F 44.9°F
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 44.8°F
Feb 24 43.4°F 43.1°F 44.6°F
Feb 25 43.5°F 42.6°F 44.7°F
Feb 26 43.5°F 42.7°F 44.7°F
Feb 27 43.7°F 43.5°F 44.9°F
Feb 28 43.8°F 43.5°F 45.0°F
Mar 1 43.0°F 43.4°F 45.0°F
Mar 2 43.1°F 43.3°F 45.1°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 6, 2025, dipping to 42.2°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.