World Resorts Japan Nagasaki Weather

Nagasaki weather in October

Weather in Nagasaki: October

Average day temperature: 74.8°F
Average night temperature: 66.5°F
Sea water temperature: 75.8°F
Number of sunny days: 18 days
Day length: 10.9 - 11.9 hours
Number of rainy days: 4 days
Precipitation totals: 2.8 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 83°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during October were 75.8°F and 68.9°F.

Sea water temperature in Nagasaki in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 81.5°F and 76.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Nagasaki in October is 2.6 in. It makes october one of the most dry months of the year.

Wind speed in October, mph

The average wind speed value in October is 8.7 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 October is: 7.7.

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
+43°F
S 3 mph
Feels like: +41°F
Precip.: 0%
Places in Japan:
Name
°F
+43°F
+48°F
+50°F
+37°F
+43°F
+43°F
+41°F
+39°F
+63°F
+45°F
+30°F
+46°F
+41°F
+43°F
+36°F
24 Hours Forecast
Nagasaki
Local time: 23:45
December 06, saturday
0000
43°F
S
3 mph
0300
43°F
S
2 mph
0600
43°F
SW
2 mph
0900
48°F
W
3 mph
1200
54°F
N
4 mph
1500
54°F
NE
6 mph
1800
54°F
N
2 mph
2100
54°F
N
2 mph
Units of measurement: °C / °F