Nagasaki, Japan Weather

  1. Nagasaki, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Nagasaki over the next 12 hours
  7. Temperature and possibility of rain in Nagasaki in the coming days
  8. Rainfall in Nagasaki in the coming days
  9. Nagasaki Weather Summary
  10. Weather averages by month
  11. Nagasaki's weather
  12. Frequently asked questions
  13. Comments
Nagasaki, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
28°C
82.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,009 hPa

Feel like: 33 °C

Temperature: 28°C

Cloud: 32%

Humidity: 74%

Wind: SSE - 7 km/h

Visibility: 15.24 km

Weather forecast

Sun
25 Oct
22°C / 24°C
Slight Thunderstorm
Mon
26 Oct
15°C / 24°C
Drizzle Dense Intensity
Tue
27 Oct
13°C / 20°C
Clear Sky
Wed
28 Oct
14°C / 22°C
Moderate Drizzle
Thu
29 Oct
17°C / 22°C
Slight Thunderstorm
Hourly forecast today:
04:00 AM
23° / 28°
23° / 28°
Mainly Clear
74% 36 km/h
05:00 AM
23° / 28°
23° / 28°
Partly Cloudy
77% 32 km/h
06:00 AM
23° / 27°
23° / 27°
Partly Cloudy
78% 31 km/h
07:00 AM
23° / 27°
23° / 27°
Partly Cloudy
79% 33 km/h
08:00 AM
22° / 26°
22° / 26°
Partly Cloudy
80% 29 km/h
09:00 AM
22° / 26°
22° / 26°
Overcast
79% 20 km/h
10:00 AM
23° / 26°
23° / 26°
Partly Cloudy
85% 11 km/h
11:00 AM
23° / 25°
23° / 25°
Partly Cloudy
86% 21 km/h
12:00 PM
22° / 25°
22° / 25°
Drizzle
86% 21 km/h
13:00 PM
22° / 24°
22° / 24°
Drizzle
89% 20 km/h
14:00 PM
22° / 24°
22° / 24°
Drizzle
90% 24 km/h

30 Day Averages and Extremes

  • Average high 21.53°C
  • Average low 15.77°C
  • Hottest day 28°C (23 October 2026)
  • Coldest day 0°C (06 November 2026)
  • Average humidity 70.97%
  • Days with precipitation 23 days
  • Highest precipitation 70 mm (23 October 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 21°C
  • Total Precipitation: 1 mm

Temperature and possibility of rain in Nagasaki over the next 12 hours

Temperature and possibility of rain in Nagasaki in the coming days

Rainfall in Nagasaki in the coming days

Nagasaki Climate Summary

Nagasaki features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 17.96ºC (64.33ºF), which is about 2.77% higher than the national average for Japan. Annually, the city experiences approximately 127.61 millimeters (5.02 inches) of rainfall, spread across 140.16 rainy days, accounting for 38.4% of the year.

Longitude 32.7503334
Latitude 129.8778888
Yearly high temperature 19.42ºC (66.96ºF)
Yearly low temperature 15.6ºC (60.08ºF)
Hottest month August 29.52ºC (85.14ºF)
Coldest month December 8.47ºC (47.25ºF)
Yearly precip 127.61mm (5.02in)
Days with rainfall 140.16 days (38.4%)
Driest month January (70.01%)
Wettest month July (86.33%)

Weather averages by month

Month High / Low (°C) Rain
January 9.87° / 6.63° 9.09 days
February 10.87° / 7.11° 9.27 days
March 13.79° / 9.46° 9.27 days
April 17.6° / 13.08° 10.36 days
May 21.57° / 17.12° 9.18 days
June 24.03° / 20.5° 17.09 days
July 27.35° / 23.97° 19.18 days
August 29.52° / 25.73° 16.91 days
September 26.7° / 22.86° 14.36 days
October 22.47° / 18.42° 6.91 days
November 17.44° / 13.82° 8.36 days
December 11.87° / 8.47° 10.18 days

Nagasaki's weather

Frequently asked questions

1. What is the hottest month in Nagasaki?

August has the highest average monthly temperature (daily mean of 29.52ºC) and December are the coolest (daily mean of 8.47ºC).

2. What should I wear in Nagasaki today?

For today's warm weather in Nagasaki, with temperatures between 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Shorts or lightweight trousers
- Light, breathable socks
- Cotton or linen fabrics

Temperature

Early
23°C / 28°C
Morning
22°C / 26°C
Afternoon
22°C / 24°C
Evening
22°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 438
  • CO 132
  • NH3 0
  • NO2 1
  • O3 66
  • PM10 8
  • PM25 5
  • SO2 2
  • CH4 1,384

Sunrise / Sunset

21:32
08:36