Measurements:
°C
°F
CURRENT WEATHER
02:09
Osaka
60°F
S 11 mph
Feels like: 56°F
Precip: 100%
World Resorts Japan Osaka Weather

7 Day Weather Forecast

04.27
mon
DAY
70°F
S 12 mph
precip
77%
NIGHT
60°F
W 4 mph
precip
0%
04.28
tue
DAY
74°F
E 9 mph
precip
0%
NIGHT
68°F
NE 6 mph
precip
0%
04.29
wed
DAY
66°F
NE 9 mph
precip
0%
NIGHT
58°F
S 6 mph
precip
0%
04.30
thu
DAY
66°F
W 5 mph
precip
0%
NIGHT
60°F
SW 7 mph
precip
100%
05.01
fri
DAY
60°F
N 1 mph
precip
100%
NIGHT
56°F
SW 2 mph
precip
0%
05.02
sat
DAY
72°F
NE 11 mph
precip
0%
NIGHT
64°F
N 1 mph
precip
0%
05.03
sun
DAY
78°F
NE 4 mph
precip
0%
NIGHT
68°F
N 13 mph
precip
100%

Osaka Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Osaka was 15.0°F. The maximum and minimum values were 12.8°F and 16.6°F respectively.

Osaka on the Weather Map

Best Time to Visit Osaka
The most sunny months:
May 16 days
August 16 days
October 15 days
The most warm months:
August 96.5 °F
July 92.8 °F
September 88.4 °F
Warmest sea temperature:
August 86.2 °F
September 82.8 °F
July 82.6 °F
The most cold months:
January 46.3 °F
February 48.5 °F
December 51.0 °F
The most rainy months:
June 7 days
July 7 days
September 5 days
The most windy months:
January 7 mph
December 7 mph
February 7 mph
more details