Skip to main content
Population Review

Climate normals · 1970–2000

Nagasaki Climate

Nagasaki is a city in Japan (27) with a population of about 409,118. Its average annual temperature is 16.1°C (61°F), with roughly 2112 mm of rain per year.

16.1°C

Avg Temp

2112

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month


Nagasaki Climate

Nagasaki has an average annual temperature of 16.1°C (61°F) and receives about 2112 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.

16.1°C

Avg Temp

2112

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month

0°10°20°30°374mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Nagasaki — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January6° / 43°77 mm
February7° / 44°94 mm
March10° / 49°140 mm
April14° / 58°183 mm
May18° / 65°203 mm
June22° / 71°374 mm
July26° / 78°357 mm
August27° / 80°214 mm
September24° / 74°218 mm
October19° / 65°101 mm
November13° / 56°86 mm
December8° / 47°65 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Nagasaki

The most comfortable months to visit Nagasaki are typically October, November and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 30°C high). The coldest is January (near 3°C low). June is usually the wettest month.

OctoberNovemberMay

Where to stay near Nagasaki

Planning a trip to Nagasaki? Compare hotels and short-term rentals — live availability and prices.

Top-rated places to stay near Nagasaki

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip to Nagasaki?

Get climate tips and the best lodging deals for Nagasaki by email. No spam, unsubscribe anytime.

Other cities in Japan

All Japan city climates →

Frequently Asked Questions

The most comfortable months to visit Nagasaki are typically October, November and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Nagasaki, Japan has an average annual temperature of 16.1°C and about 2112 mm of precipitation per year. The warmest month is August and the coldest is January.

In August, the hottest month, daily highs in Nagasaki average about 30°C (86°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.