Measurements:
°C
°F
Fukuoka
80°F
S 6 mph
Feels like: 82°F
Precip: 1%
World Resorts Japan Fukuoka Weather

Fukuoka Sea Water Temperature

Current Sea Water Temperature:
+76.0°F
Maximum Sea Water Temperature in June: 80.6°F
Minimum Sea Water Temperature in June: 65.8°F
Average water temperature in June: 73.3°F

Sea Water Temperature for the Last 10 Days:

June 09 76.0°F June 04 73.0°F
June 08 76.2°F June 03 74.8°F
June 07 74.8°F June 01 77.0°F
June 06 73.6°F May 31 74.8°F
June 05 73.8°F May 30 74.8°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 47.9 °F
February 49.9 °F
December 51.7 °F
The most rainy months:
June 10 days
July 10 days
August 9 days
The most windy months:
January 9 mph
February 9 mph
December 8 mph

Fukuoka on the Weather Map

Japan Resorts:
NAME
Atami +70
Fukuoka +80
Hakone +70
Hiroshima +80
Kamakura +68
Kobe +76
Kyoto +80
Nagasaki +80
Nagoya +82
Nara +80
Okinawa +76
Osaka +82
Sapporo +62
Tokyo +66
Yokohama +66
24 Hours Weather Forecast
Fukuoka
Local time: 11:23
10 jun, wednesday
1200 80°F
S
6 mph
1500 80°F
SE
5 mph
1800 78°F
SE
3 mph
2100 68°F
E
2 mph
11 jun, thursday
0000 66°F
E
4 mph
0300 64°F
NE
4 mph
0600 64°F
NE
4 mph
0900 76°F
NE
5 mph