Hörnum Water Temperature

Hörnum is a village close to North Sea. August is the month with the highest water temperature at 65.8°F / 18.8°C.
The coldest month is February with an average water temperature of 37.6°F / 3.1°C.
April is the driest at 0.2in / 4.5mm and December the wettest month with 3.5in / 89.7mm.
With an average air temperature of 63.7°F / 17.6°C, August is the warmest month in a year. February is the coldest with 36.3°F / 2.4°C average air temperature.
The Climate is described as temperate oceanic climate with warm summer. Best time to Visit would be in June, July, August, September.

Hörnum Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 18.8°C / 65.8°F
Coldest Month Water Temperature: February with 3.1°C / 37.6°F
Warmest Month Air Temperature: August with 17.6°C / 63.7°F
Coldest Month Air Temperature: February with 2.4°C / 36.3°F
Wettest Month: December with 89.7mm / 3.5in
Driest Month: April with 4.5mm / 0.2in
Highest Humidity December with 85.8%
Lowest Humidity May with 74.2%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Hörnum water temperature by month

North Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

4.9 4.1 3.3

February

3.4 3.1 2.9

March

5.2 3.9 3

April

9.3 7.2 5.3

May

13.6 11.5 9.4

June

16.4 15.1 13.6

July

19.2 17.8 16.4

August

19.3 18.7 18

September

18.1 16.8 15.1

October

15 13.1 11.3

November

11.3 9.3 7.5

December

7.5 6 4.9

North Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

40.8 39.4 37.9

February

38.1 37.6 37.2

March

41.4 39 37.4

April

48.7 45 41.5

May

56.5 52.7 48.9

June

61.5 59.2 56.5

July

66.6 64 61.5

August

66.7 65.7 64.4

September

64.6 62.2 59.2

October

59 55.6 52.3

November

52.3 48.7 45.5

December

45.5 42.8 40.8
The hottest water temperature typically reached in August with around 65.8°F / 18.8°C. The coldest in February with an average water temperature of 37.6°F / 3.1°C.

Hörnum weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

5 2.5 -1.5 65 6 85.1%

February

5.4 2.4 -0.4 40.2 3 83%

March

9.5 4.1 -0.6 24.7 1 81.2%

April

14.8 8.2 3.1 4.5 2 76.6%

May

16.9 12.1 6 10.6 2 74.2%

June

18.7 15.1 10.5 11.3 5 75.2%

July

22.2 17.6 13.3 34.9 7 76.1%

August

22.1 17.6 13.6 65.4 9 77.3%

September

19.4 15.1 11 30.6 1 78.4%

October

15.2 10.9 7.2 52.7 0 81.6%

November

11.2 6.9 3.1 86.3 7 85.1%

December

7 4 0.5 89.7 5 85.8%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

41 36.5 29.3 2.6 6 85.1%

February

41.7 36.3 31.3 1.6 3 83%

March

49.1 39.4 30.9 1 1 81.2%

April

58.6 46.8 37.6 0.2 2 76.6%

May

62.4 53.8 42.8 0.4 2 74.2%

June

65.7 59.2 50.9 0.4 5 75.2%

July

72 63.7 55.9 1.4 7 76.1%

August

71.8 63.7 56.5 2.6 9 77.3%

September

66.9 59.2 51.8 1.2 1 78.4%

October

59.4 51.6 45 2.1 0 81.6%

November

52.2 44.4 37.6 3.4 7 85.1%

December

44.6 39.2 32.9 3.5 5 85.8%
The warmest avg. temperature is around 63.7°F / 17.6°C, August is the month with the highest temperature. February is the coolest with 36.3°F / 2.4°C average air temperature. April is the month with the min. precipitation of 0.2in / 4.5mm and December with the max. precipitation in a year with 3.5in / 89.7mm.

Activities & POI in Hörnum

Type of Activity List
Marina for Sailing, Boat adventures, fishing Yachthafen Hörnum - Sylter Yacht Club
Attraction Hörnumer Leuchtfeuer
Golf Course Golfclub Budersand
Caravan Site Wohnmobilstellplatz Hörnum
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