What is the current water temperature in Roskilde?

Q: What is the current water temperature in Roskilde?

As of now, in Roskilde, the water temperature is 5.41°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.

Denmark > Roskilde

Water temperature in Roskilde

Detailed information about the current water temperature in Roskilde. 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.

41.7

°F

April 18, 20:12

Trend:

stable

Yesterday:

41.1°F

Tomorrow:

40.8°F

Sunrise:

06:01

Sunset:

20:23

Day Length:

14 h. 22 min.

Roskilde in April

Minimum:

34.2°F

Average:

36.6°F

Maximum:

39.0°F

Sea water temperature in Roskilde today

As of now, in Roskilde, the water temperature is 41.7°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 3.3°F lower 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 fall considerably.

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 49.4°F on 2025, while the historical minimum was 41.5°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 42.8°F, with minimum temperature starting at 40.8°F, while the maximum might reach 45.1°F.

Daily water temperature in Roskilde

Date	Current Year actual* / forecast**	last year	10 years average
Apr 4	40.4°F	44.9°F	41.0°F
Apr 5	39.8°F	44.6°F	41.1°F
Apr 6	40.9°F	44.8°F	41.7°F
Apr 7	41.8°F	43.9°F	41.7°F
Apr 8	40.1°F	42.8°F	41.6°F
Apr 9	41.7°F	41.8°F	42.0°F
Apr 10	42.4°F	44.3°F	44.0°F
Apr 11	42.1°F	46.2°F	44.0°F
Apr 12	43.3°F	47.1°F	44.0°F
Apr 13	43.1°F	46.1°F	44.0°F
Apr 14	43.4°F	47.8°F	44.1°F
Apr 15	40.7°F	47.3°F	43.5°F
Apr 16	40.9°F	49.2°F	43.5°F
Apr 17	41.1°F	48.7°F	44.6°F
Apr 18	41.7°F	49.4°F	45.1°F
Apr 19	40.8°F	48.0°F	44.1°F
Apr 20	41.5°F	48.4°F	44.9°F
Apr 21	42.4°F	47.8°F	45.8°F
Apr 22	42.4°F	47.6°F	45.8°F
Apr 23	43.0°F	47.8°F	46.3°F
Apr 24	45.1°F	50.0°F	48.5°F
Apr 25	44.5°F	49.7°F	47.8°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 Roskilde by month

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

The warmest water in Roskilde was recorded on July 28, 2018, reaching a 74.4°F. While the coldest temperature occurred on February 4, 2026, dipping to 32.0°F. The average readings by season are 36.3°F in Winter, 45.5°F in Spring, 65.3°F in Summer, and 53.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Copenhagen	41.7°F	19mi
Landskrona	41.1°F	33mi
Helsingør	41.2°F	34mi
Helsingborg	41.1°F	37mi

* current water temperature in this city

** straight line distance from Roskilde