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 9.06°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.

48.3

°F

July 12, 09:28

Trend:

increasing

Yesterday:

48.1°F

Tomorrow:

48.5°F

Sunrise:

Sunset:

Day Length:

Siglufjörður in July

Minimum:

32.9°F

Average:

38.3°F

Maximum:

40.7°F

Sea water temperature in Siglufjörður today

As of now, in Siglufjörður, the water temperature is 48.3°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 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

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 48.3°F on 2025, while the historical minimum was 45.5°F on 2020.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 49.2°F, with minimum temperature starting at 48.5°F, while the maximum might reach 49.6°F.

Daily water temperature in Siglufjörður

Date	Current Year actual* / forecast**	last year	10 years average
Jun 28	46.5°F	45.2°F	45.6°F
Jun 29	46.7°F	45.2°F	45.7°F
Jun 30	45.8°F	45.2°F	45.5°F
Jul 1	46.5°F	45.3°F	45.5°F
Jul 2	46.5°F	45.4°F	45.7°F
Jul 3	47.2°F	45.4°F	45.9°F
Jul 4	47.1°F	45.4°F	45.9°F
Jul 5	46.7°F	45.5°F	45.9°F
Jul 6	46.8°F	47.9°F	46.3°F
Jul 7	47.3°F	48.5°F	46.5°F
Jul 8	47.4°F	48.3°F	46.6°F
Jul 9	47.8°F	48.1°F	46.7°F
Jul 10	47.6°F	48.9°F	46.8°F
Jul 11	48.1°F	48.5°F	46.7°F
Jul 12	48.3°F	48.3°F	46.8°F
Jul 13	48.5°F	48.7°F	47.0°F
Jul 14	48.8°F	50.2°F	47.3°F
Jul 15	49.0°F	50.4°F	47.5°F
Jul 16	49.4°F	50.3°F	47.9°F
Jul 17	49.4°F	50.0°F	47.9°F
Jul 18	49.6°F	49.8°F	48.0°F
Jul 19	49.4°F	49.6°F	47.9°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 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, 38.0°F in Spring, 46.6°F in Summer, and 43.9°F in Autumn.