Measurements:
°C
°F
Nagasaki
60°F
S 6 mph
Feels like: 60°F
Precip: 0%
World Resorts Japan Nagasaki Weather April Weather in Nagasaki

Nagasaki Weather: April

Average Day Temperature: 66.6°F
Average Night Temperature: 58.3°F
Sea Water Temperature: 63.7°F
Number of Sunny Days: 13 days
Sunshine Hours: 12.5 - 13.4 hours
Number of Rainy Days: 6 days
Precipitation Totals: 4.5 in

Air Temperature in April, °F

Select Year: 2026 2025 2024

The highest day temperature in April 2026 was 72°F. The lowest night temperature was 47°F. The average values for day and night temperatures during April were 64.9°F и 58.6°F respectivly.

Nagasaki Water Sea Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Nagasaki was 65.5°F. The maximum and minimum values were 63.4°F and 66.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in April, in

Precipitation total in April for Nagasaki is 4.5 in.

Wind Speed in April, mph

The average wind speed in April is 8.7 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nagasaki in April is 7.6 hours.

Best Time to Visit Nagasaki
The most sunny months:
October 18 days
May 14 days
August 13 days
The most warm months:
August 91.8 °F
July 88.3 °F
September 86.6 °F
Warmest sea temperature:
August 86.4 °F
September 83.7 °F
July 82.2 °F
The most cold months:
January 50.4 °F
February 52.0 °F
December 54.1 °F
The most rainy months:
July 12 days
June 11 days
August 10 days
The most windy months:
January 11 mph
February 11 mph
December 11 mph

Nagasaki on the Weather Map

Japan Resorts:
NAME
Atami +58
Fukuoka +56
Hakone +60
Hiroshima +56
Kamakura +62
Kobe +60
Kyoto +56
Nagasaki +60
Nagoya +58
Nara +58
Okinawa +66
Osaka +60
Sapporo +44
Tokyo +62
Yokohama +62
24 Hours Weather Forecast
Nagasaki
Local time: 02:14
27 apr, monday
0300 60°F
S
6 mph
0600 60°F
SW
6 mph
0900 66°F
S
1 mph
1200 70°F
E
7 mph
1500 68°F
E
9 mph
1800 66°F
SE
5 mph
2100 62°F
SE
3 mph
28 apr, tuesday
0000 62°F
E
2 mph