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 3.81°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.

38.9

°F

January 7, 22:02

Trend:

stable

Yesterday:

39.1°F

Tomorrow:

38.9°F

Sunrise:

11:35

Sunset:

15:10

Day Length:

3 h. 35 min.

Siglufjörður in January

Minimum:

33.2°F

Average:

38.9°F

Maximum:

41.2°F

Sea water temperature in Siglufjörður today

As of now, in Siglufjörður, 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 0.6°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 40.7°F on 2017, while the historical minimum was 32.9°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 38.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Siglufjörður

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	40.3°F	33.2°F	38.9°F
Jan 2	40.0°F	33.3°F	38.7°F
Jan 3	39.5°F	33.4°F	38.7°F
Jan 4	39.2°F	32.8°F	38.4°F
Jan 5	39.1°F	32.7°F	38.4°F
Jan 6	39.1°F	32.8°F	38.4°F
Jan 7	38.9°F	32.9°F	38.3°F
Jan 8	38.9°F	33.0°F	38.3°F
Jan 9	38.9°F	33.0°F	38.3°F
Jan 10	39.1°F	33.0°F	38.5°F
Jan 11	38.9°F	32.8°F	38.3°F
Jan 12	38.7°F	32.8°F	38.1°F
Jan 13	38.8°F	33.3°F	38.2°F
Jan 14	38.7°F	33.4°F	38.1°F
Dec 24	40.9°F	34.7°F	39.4°F
Dec 25	41.1°F	34.5°F	39.4°F
Dec 26	41.2°F	34.6°F	39.2°F
Dec 27	40.7°F	34.3°F	39.0°F
Dec 28	40.6°F	34.2°F	38.9°F
Dec 29	40.0°F	34.2°F	38.7°F
Dec 30	40.1°F	34.1°F	38.9°F
Dec 31	40.3°F	33.5°F	39.0°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.