Karatsu Water Temperature

Karatsu is a city close to Sea of Japan. mild temperate climate with hot summer would be the climate here. August is the month with the highest water temperature at 80.2°F / 26.8°C. The month with the lowest is February with an average water temperature of 56.7°F / 13.7°C. The avg. air temperature is around 79.7°F / 26.5°C, August is the month with the highest temperature. January is the coolest with 41.7°F / 5.4°C average air temperature. October is the month with the min. precipitation of 0in / 0mm and July with the max. precipitation in a year with 8.6in / 217.7mm. September, June, July, August would be the best time to visit this place.

Karatsu Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 26.8°C / 80.2°F
Coldest Month Water Temperature: February with 13.7°C / 56.7°F
Warmest Month Air Temperature: August with 26.5°C / 79.7°F
Coldest Month Air Temperature: January with 5.4°C / 41.7°F
Wettest Month: July with 217.7mm / 8.6in
Driest Month: October with 0mm / 0in
Highest Humidity July with 85.5%
Lowest Humidity January with 68.5%
Best Time to Visit: September, June, July, August
Climate Classification mild temperate climate with hot summer

Karatsu water temperature by month

Sea of Japan water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

15.9 15 14.1

February

14.1 13.7 13.4

March

14.3 13.8 13.4

April

16.3 15.1 14.2

May

19.2 17.7 16.4

June

22.1 20.6 19.2

July

26.2 24.2 22.4

August

27 26.7 26.1

September

26.1 25.1 23.7

October

23.7 22.5 21.3

November

21.4 20.1 18.7

December

18.6 17.3 15.9

Sea of Japan water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

60.6 59 57.4

February

57.4 56.7 56.1

March

57.7 56.8 56.1

April

61.3 59.2 57.6

May

66.6 63.9 61.5

June

71.8 69.1 66.6

July

79.2 75.6 72.3

August

80.6 80.1 79

September

79 77.2 74.7

October

74.7 72.5 70.3

November

70.5 68.2 65.7

December

65.5 63.1 60.6
The warmest water temperature are in August with around 80.2°F / 26.8°C. The coldest in February with an average water temperature of 56.7°F / 13.7°C.

Karatsu weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

9 5.4 2.2 23.8 0 68.5%

February

12.1 6.2 2.2 27 0 68.9%

March

15.5 9.2 4.3 15.2 2 69.4%

April

19.4 13.6 8.3 23.5 1 71.4%

May

23.9 18 12.9 13.1 1 74.7%

June

26 21.5 16.4 151 10 82.8%

July

30.3 25.2 21.3 217.7 17 85.5%

August

31.3 26.5 22.9 154.2 14 81.2%

September

28.2 23.3 18.9 66.6 8 80.2%

October

24.4 18.3 12.9 0 0 72.7%

November

19 12.9 8.2 22.6 0 71.7%

December

13.5 7.7 3.4 28 1 70%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

48.2 41.7 36 0.9 0 68.5%

February

53.8 43.2 36 1.1 0 68.9%

March

59.9 48.6 39.7 0.6 2 69.4%

April

66.9 56.5 46.9 0.9 1 71.4%

May

75 64.4 55.2 0.5 1 74.7%

June

78.8 70.7 61.5 5.9 10 82.8%

July

86.5 77.4 70.3 8.6 17 85.5%

August

88.3 79.7 73.2 6.1 14 81.2%

September

82.8 73.9 66 2.6 8 80.2%

October

75.9 64.9 55.2 0 0 72.7%

November

66.2 55.2 46.8 0.9 0 71.7%

December

56.3 45.9 38.1 1.1 1 70%
October is the month with the lowest rain of 0in / 0mm and July with the highest precipitation in a year with 8.6in / 217.7mm. The avg. temperature is around 79.7°F / 26.5°C, August is the month with the highest temperature. January is the coolest with 41.7°F / 5.4°C average temperature.

Activities & POI in Karatsu

Type of Activity List
Beach 西ノ浜
Attraction 鏡山温泉茶屋 美人の湯, Itoshima Kakigoya
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