What is the current water temperature in Siglufjörður?

Q: What is the current water temperature in Siglufjörður?

As of now, in Siglufjörður, the water temperature is 4.04°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.

Iceland > Siglufjörður

Water temperature in Siglufjörður

Detailed information about the current water temperature in Siglufjörður. 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.

39.3

°F

January 29, 00:49

Trend:

decreasing

Yesterday:

39.3°F

Tomorrow:

39.1°F

Sunrise:

10:26

Sunset:

16:34

Day Length:

6 h. 8 min.

Siglufjörður in February

Minimum:

33.3°F

Average:

38.7°F

Maximum:

40.9°F

Sea water temperature in Siglufjörður today

As of now, in Siglufjörður, the water temperature is 39.3°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 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 38.6°F on 2019, while the historical minimum was 35.7°F on 2025.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 38.9°F, the minimum temperature may reach 38.7°F, and the maximum might stay at 39.1°F.

Daily water temperature in Siglufjörður

Date	Current Year actual* / forecast**	last year	10 years average
Jan 15	38.5°F	33.3°F	37.9°F
Jan 16	38.2°F	34.0°F	37.9°F
Jan 17	38.1°F	32.9°F	37.8°F
Jan 18	38.6°F	33.3°F	37.9°F
Jan 19	38.6°F	34.6°F	38.0°F
Jan 20	38.0°F	35.0°F	38.0°F
Jan 21	38.4°F	35.7°F	38.2°F
Jan 22	38.2°F	36.2°F	38.2°F
Jan 23	39.4°F	36.3°F	38.2°F
Jan 24	39.1°F	37.0°F	38.3°F
Jan 25	38.3°F	36.8°F	38.1°F
Jan 26	39.0°F	36.7°F	38.0°F
Jan 27	38.5°F	36.1°F	37.8°F
Jan 28	39.3°F	35.9°F	37.6°F
Jan 29	39.3°F	35.7°F	37.6°F
Jan 30	39.1°F	34.7°F	37.4°F
Jan 31	39.1°F	34.8°F	37.4°F
Feb 1	39.0°F	35.4°F	37.3°F
Feb 2	39.0°F	35.0°F	37.3°F
Feb 3	38.8°F	35.5°F	37.1°F
Feb 4	38.8°F	35.9°F	37.1°F
Feb 5	38.7°F	36.0°F	37.0°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 Siglufjörður by month

In an average year, Siglufjörður offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Siglufjörður was recorded on August 27, 2021, reaching a 54.5°F. While the coldest temperature occurred on January 5, 2025, dipping to 32.7°F. The average readings by season are 38.3°F in Winter, 37.9°F in Spring, 46.6°F in Summer, and 43.9°F in Autumn.