All data are in degrees Fahrenheit

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Water temperature in Härnösand

Detailed information about the current water temperature in Härnösand. 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 Härnösand now

38.9

°F

December 17, 00:02

Trend:

stable

Yesterday:

38.9°F

Tomorrow:

38.6°F

Sunrise:

09:16

Sunset:

14:12

Day Length:

4 h. 56 min.

Härnösand in December

Minimum:

33.2°F

Average:

35.3°F

Maximum:

37.5°F

Sea water temperature in Härnösand today

As of now, in Härnösand, the water temperature is 38.9°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 1.9°F higher 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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 38.9°F on 2020, while the historical minimum was 34.4°F on 2023.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 38.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Härnösand

Date Current Year

actual* / forecast**

last year 10 years average
Dec 3 39.9°F 37.9°F 39.3°F
Dec 4 39.6°F 38.1°F 39.0°F
Dec 5 39.2°F 37.4°F 38.8°F
Dec 6 39.1°F 37.4°F 38.6°F
Dec 7 38.6°F 37.1°F 38.4°F
Dec 8 38.3°F 36.9°F 38.2°F
Dec 9 38.0°F 37.5°F 37.9°F
Dec 10 37.5°F 36.9°F 37.8°F
Dec 11 37.8°F 36.4°F 37.7°F
Dec 12 37.8°F 36.5°F 37.7°F
Dec 13 37.7°F 36.5°F 37.6°F
Dec 14 37.5°F 36.5°F 37.3°F
Dec 15 39.2°F 37.4°F 37.5°F
Dec 16 38.9°F 36.7°F 37.0°F
Dec 17 38.9°F 36.6°F 37.1°F
Dec 18 38.6°F 36.6°F 36.8°F
Dec 19 38.9°F 36.6°F 37.0°F
Dec 20 39.1°F 36.7°F 37.3°F
Dec 21 39.0°F 36.6°F 37.1°F
Dec 22 39.0°F 36.7°F 37.1°F
Dec 23 38.8°F 36.3°F 36.9°F
Dec 24 38.8°F 36.1°F 36.9°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 Härnösand by month

In an average year, Härnösand offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Härnösand was recorded on July 20, 2018, reaching a 70.2°F. While the coldest temperature occurred on January 24, 2016, dipping to 32.0°F. The average readings by season are 35.2°F in Winter, 36.7°F in Spring, 57.6°F in Summer, and 48.6°F in Autumn.