What is the current water temperature in Härnösand?

Q: What is the current water temperature in Härnösand?

As of now, in Härnösand, the water temperature is 1.78°C. 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.

Sweden > Härnösand

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.

35.2

°F

March 6, 06:48

Trend:

stable

Yesterday:

35.2°F

Tomorrow:

35.1°F

Sunrise:

06:38

Sunset:

17:23

Day Length:

10 h. 45 min.

Härnösand in March

Minimum:

33.4°F

Average:

36.0°F

Maximum:

38.1°F

Sea water temperature in Härnösand today

As of now, in Härnösand, the water temperature is 35.2°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 2.5°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 34.1°F on 2025, while the historical minimum was 32.0°F on 2018.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 35.2°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
Feb 20	32.0°F	32.3°F	32.7°F
Feb 21	32.0°F	32.0°F	32.7°F
Feb 22	33.9°F	32.4°F	33.0°F
Feb 23	32.9°F	32.2°F	32.7°F
Feb 24	32.3°F	32.1°F	32.6°F
Feb 25	33.5°F	32.0°F	32.9°F
Feb 26	32.8°F	32.2°F	33.0°F
Feb 27	32.2°F	32.9°F	33.1°F
Feb 28	32.0°F	32.9°F	33.1°F
Mar 1	32.2°F	32.7°F	33.0°F
Mar 2	33.0°F	32.5°F	32.9°F
Mar 3	32.4°F	32.4°F	32.8°F
Mar 4	32.5°F	33.8°F	32.6°F
Mar 5	35.2°F	34.4°F	32.6°F
Mar 6	35.2°F	34.1°F	32.7°F
Mar 7	35.1°F	33.8°F	32.6°F
Mar 8	35.1°F	33.6°F	32.6°F
Mar 9	35.1°F	33.3°F	32.6°F
Mar 10	35.1°F	33.1°F	32.6°F
Mar 11	35.2°F	33.4°F	32.6°F
Mar 12	35.3°F	33.3°F	32.8°F
Mar 13	35.2°F	33.1°F	32.6°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 35.1°F in Winter, 36.7°F in Spring, 57.8°F in Summer, and 48.6°F in Autumn.