Measurements:
°C
°F
Fukuoka
86°F
NE 5 mph
Feels like: 90°F
Precip: 10%
World Resorts Japan Fukuoka Weather

Fukuoka Sea Water Temperature

Current Sea Water Temperature:
+76.6°F
Maximum Sea Water Temperature in October: 82.6°F
Minimum Sea Water Temperature in October: 69.6°F
Average water temperature in October: 75.7°F

Sea Water Temperature for the Last 10 Days:

October 18 76.6°F October 13 78.0°F
October 17 76.8°F October 12 77.6°F
October 16 77.2°F October 11 77.0°F
October 15 77.8°F October 10 76.6°F
October 14 78.0°F October 09 76.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Fukuoka was 88.8°F. The maximum and minimum values were 85.6°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Fukuoka was 83.5°F. The maximum and minimum values were 79.8°F and 88.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Fukuoka was 85.3°F. The maximum and minimum values were 77.6°F and 92.2°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 93.5 °F
July 90.8 °F
September 85.7 °F
Warmest sea temperature:
August 86.1 °F
September 82.1 °F
July 81.8 °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 8 days
The most windy months:
January 9 mph
February 9 mph
December 8 mph

Fukuoka on the Weather Map

Japan Resorts:
NAME
F°
Atami +76
Fukuoka +86
Hakone +78
Hiroshima +74
Kamakura +80
Kobe +78
Kyoto +76
Nagasaki +78
Nagoya +82
Nara +78
Okinawa +86
Osaka +80
Sapporo +60
Tokyo +84
Yokohama +78
24 Hours Weather Forecast
Fukuoka
Local time: 14:56
19 oct, monday
1500 86°F
NE
5 mph
1800 76°F
N
1 mph
2100 74°F
S
3 mph
20 oct, tuesday
0000 72°F
NW
1 mph
0300 72°F
N
1 mph
0600 70°F
NE
1 mph
0900 78°F
N
1 mph
1200 86°F
N
6 mph