Weather in Nagasaki: April
| Average day temperature: | 65.0°F | |
| Average night temperature: | 57.5°F | |
| Sea water temperature: | 62.2°F | |
| Number of sunny days: | 13 days | |
| Day length: | 12.5 - 13.4 hours | |
| Number of rainy days: | 6 days | |
| Precipitation totals: | 4.7 in. | |
| more information | ||
14 days
forecast
forecast
| Nagasaki |
sea water
temperature
temperature
| Nagasaki |
Air temperature in April, °F
Show year:
2025
2024
2023
The highest day temperature during April of 2025 was 69°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during April were 62.4°F and 55.0°F.
Sea water temperature in Nagasaki in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 61.4°F. The highest and lowest sea temperatures during the month were 64.6°F and 57.7°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Nagasaki in April is 5.0 in.
Wind speed in April, mph
The average wind speed value in April is 8.3 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 7.4.
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 05:17
December 20, saturday
0600

61°F
NW
7 mph
7 mph
0900

61°F
NW
7 mph
7 mph
1200

64°F
NW
11 mph
11 mph
1500

66°F
NW
10 mph
10 mph
1800

63°F
NW
12 mph
12 mph
2100

63°F
NW
11 mph
11 mph
December 21, sunday
0000

61°F
N
12 mph
12 mph
0300

63°F
NE
12 mph
12 mph



























