Which is the hottest month in Nagasaki?

The hottest time of year in Nagasaki is normally August. Expect maximum daytime temperatures to reach 31°C with high heat and humidity.

Which month has the most rain in Nagasaki?

In terms of rainfall, June is usually the wettest month in Nagasaki with 181mm on average. There are normally 20 days in June with some rain.

When is it sunniest in Nagasaki?

The sunniest time of year in Nagasaki is normally January with bright sunshine on average for 59% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Nagasaki?

The sea is usually at its warmest in Nagasaki in August when the water temperature reaches 26°C.

Best time to visit Nagasaki

Q: When is the best time to visit Nagasaki?

The best times to visit Nagasaki, Japan are in May, September and October Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Nagasaki, Japan are in May, September and October based on our default weather conditions. Update your weather preferences to see which months best match.

Nagasaki by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Nagasaki?

The best times to visit Nagasaki, Japan are in May, September and October based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1
Jan
1.5
Feb
1.5
Mar
3
Apr
4
May
4
Jun
4
Jul
4
Aug
4
Sep
4
Oct
1.5
Nov
1.5
Dec

Change criteria

Max Day Temperature (°F)

48
Jan
50
Feb
57
Mar
66
Apr
73
May
79
Jun
84
Jul
88
Aug
82
Sep
73
Oct
63
Nov
54
Dec

Hours of Sunshine (daily)

3
Jan
4
Feb
5
Mar
5
Apr
6
May
5
Jun
6
Jul
7
Aug
6
Sep
6
Oct
5
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Japan (Nagasaki) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)