Measurements:
°C
°F
Fukuoka
44°F
S 4 mph
Feels like: 42°F
Precip: 0%
World Resorts Japan Fukuoka Weather

Fukuoka Sea Water Temperature

Current Sea Water Temperature:
+66.0°F
Maximum Sea Water Temperature in December: 68.0°F
Minimum Sea Water Temperature in December: 58.2°F
Average water temperature in December: 63.4°F

Sea Water Temperature for the Last 10 Days:

December 05 66.0°F November 30 67.0°F
December 04 66.2°F November 29 67.8°F
December 03 66.2°F November 28 68.2°F
December 02 66.2°F November 27 68.4°F
December 01 66.0°F November 26 68.8°F

When is the Warmest Sea for Fukuoka?

According to our data for the last three years for Fukuoka the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Fukuoka was 89.1°F. The maximum and minimum values were 85.2°F and 91.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Fukuoka was 86.9°F. The maximum and minimum values were 83.0°F and 89.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Fukuoka was 85.1°F. The maximum and minimum values were 81.0°F and 90.0°F respectively.

Best Time to Visit Fukuoka
The most sunny months:
May 15 days
October 14 days
August 13 days
The most warm months:
August 93.4 °F
July 90.7 °F
September 86.0 °F
Warmest sea temperature:
August 85.9 °F
September 82.0 °F
July 81.5 °F
The most cold months:
January 48.0 °F
February 49.8 °F
December 51.6 °F
The most rainy months:
June 10 days
July 10 days
August 9 days
The most windy months:
February 9 mph
January 9 mph
December 8 mph

Fukuoka on the Weather Map

Japan Resorts:
NAME
Atami +44
Fukuoka +44
Hakone +48
Hiroshima +38
Kamakura +54
Kobe +46
Kyoto +42
Nagasaki +44
Nagoya +44
Nara +44
Okinawa +64
Osaka +46
Sapporo +26
Tokyo +50
Yokohama +52
24 Hours Weather Forecast
Fukuoka
Local time: 18:50
05 dec, friday
2100 42°F
NW
1 mph
06 dec, saturday
0000 40°F
N
3 mph
0300 38°F
N
4 mph
0600 38°F
N
4 mph
0900 44°F
N
6 mph
1200 52°F
N
7 mph
1500 56°F
NE
7 mph
1800 50°F
N
6 mph