What is the current water temperature in Leiden?

Q: What is the current water temperature in Leiden?

As of now, in Leiden, the water temperature is 5.1°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.

Netherlands > Leiden

Water temperature in Leiden

Detailed information about the current water temperature in Leiden. 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.

41.2

°F

January 19, 04:27

Trend:

decreasing

Yesterday:

41.4°F

Tomorrow:

40.9°F

Sunrise:

08:41

Sunset:

17:06

Day Length:

8 h. 25 min.

Leiden in January

Minimum:

43.8°F

Average:

45.2°F

Maximum:

48.1°F

Sea water temperature in Leiden today

As of now, in Leiden, the water temperature is 41.2°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 1.8°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 44.7°F on 2020, while the historical minimum was 41.3°F on 2024.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 40.7°F, the minimum temperature may reach 40.6°F, and the maximum might stay at 40.9°F.

Daily water temperature in Leiden

Date	Current Year actual* / forecast**	last year	10 years average
Jan 5	41.7°F	45.2°F	44.7°F
Jan 6	41.3°F	45.2°F	44.5°F
Jan 7	40.9°F	44.9°F	44.3°F
Jan 8	40.8°F	45.5°F	44.4°F
Jan 9	41.0°F	44.8°F	44.3°F
Jan 10	41.1°F	43.5°F	44.1°F
Jan 11	40.7°F	42.8°F	43.8°F
Jan 12	40.6°F	42.4°F	43.7°F
Jan 13	41.5°F	41.7°F	43.7°F
Jan 14	41.4°F	42.0°F	43.7°F
Jan 15	40.2°F	41.4°F	43.3°F
Jan 16	40.4°F	41.7°F	43.3°F
Jan 17	41.1°F	41.6°F	43.2°F
Jan 18	41.4°F	41.7°F	43.2°F
Jan 19	41.2°F	41.9°F	42.9°F
Jan 20	40.9°F	41.8°F	42.7°F
Jan 21	40.9°F	41.9°F	42.6°F
Jan 22	40.8°F	41.8°F	42.6°F
Jan 23	40.7°F	42.0°F	42.5°F
Jan 24	40.6°F	41.8°F	42.4°F
Jan 25	40.7°F	42.6°F	42.4°F
Jan 26	40.6°F	42.3°F	42.3°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 Leiden by month

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

The warmest water in Leiden was recorded on September 11, 2023, reaching a 71.3°F. While the coldest temperature occurred on March 4, 2018, dipping to 37.4°F. The average readings by season are 44.4°F in Winter, 48.9°F in Spring, 64.7°F in Summer, and 59.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Scheveningen	40.9°F	10mi
The Hague	40.6°F	10mi
Amsterdam	37.3°F	22mi

* current water temperature in this city

** straight line distance from Leiden