World Resorts Japan Nagasaki Weather

Nagasaki weather in April

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.

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

Sunniest months:
October 18 days
May 14 days
March 13 days
Warmest months:
August 87.6 °F
July 84.4 °F
September 82.9 °F
Warmest sea temp:
August 82.8 °F
September 80.3 °F
July 79.0 °F
Coldest months:
January 50.4 °F
February 51.7 °F
December 53.6 °F
Rainiest months:
July 12 days
June 11 days
August 10 days
Windiest months:
February 10.8 mph
December 10.8 mph
January 10.8 mph

Nagasaki on a weather map

Nagasaki
+61°F
NW 7 mph
Feels like: +61°F
Precip.: 0%
Places in Japan:
Name
°F
+50°F
+52°F
+54°F
+45°F
+50°F
+61°F
+54°F
+45°F
+72°F
+50°F
+37°F
+48°F
+52°F
+52°F
+43°F
24 Hours Forecast
Nagasaki
Local time: 05:17
December 20, saturday
0600
61°F
NW
7 mph
0900
61°F
NW
7 mph
1200
64°F
NW
11 mph
1500
66°F
NW
10 mph
1800
63°F
NW
12 mph
2100
63°F
NW
11 mph
December 21, sunday
0000
61°F
N
12 mph
0300
63°F
NE
12 mph
Units of measurement: °C / °F