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

69.8

°F

July 9, 08:13

Trend:

stable

Yesterday:

69.8°F

Tomorrow:

69.8°F

Sunrise:

05:09

Sunset:

20:37

Day Length:

15 h. 28 min.

Mirny in July

Minimum:

45.5°F

Average:

48.2°F

Maximum:

50.3°F

Sea water temperature in Mirny today

As of now, in Mirny, the water temperature is 69.8°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 5.1°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably 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 78.2°F on 2020, while the historical minimum was 71.3°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 69.6°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
Jun 25 71.6°F 68.4°F 72.8°F
Jun 26 72.1°F 69.3°F 73.3°F
Jun 27 72.8°F 69.8°F 73.3°F
Jun 28 71.7°F 70.4°F 73.7°F
Jun 29 71.9°F 70.6°F 73.5°F
Jun 30 70.0°F 69.7°F 73.4°F
Jul 1 69.7°F 69.8°F 73.4°F
Jul 2 71.2°F 69.6°F 73.8°F
Jul 3 70.9°F 69.6°F 74.0°F
Jul 4 73.2°F 70.1°F 74.4°F
Jul 5 72.2°F 68.7°F 74.3°F
Jul 6 72.2°F 70.1°F 74.6°F
Jul 7 71.0°F 69.8°F 74.4°F
Jul 8 69.8°F 70.4°F 75.0°F
Jul 9 69.8°F 71.3°F 74.9°F
Jul 10 69.8°F 73.9°F 75.0°F
Jul 11 69.5°F 75.4°F 74.6°F
Jul 12 69.5°F 76.4°F 74.7°F
Jul 13 69.7°F 75.3°F 74.8°F
Jul 14 69.4°F 75.4°F 74.5°F
Jul 15 69.5°F 74.7°F 74.6°F
Jul 16 69.7°F 75.3°F 74.8°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 77 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, 74.0°F in Summer, and 65.0°F in Autumn.