Best year time to visit Nagasaki

General weather information about Nagasaki

Average annual temperature is 15.3 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -5.8 °C

Number of sunny days: 153 days

Number of rainy days: 209 days

Number of snow days: 3 days

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* Weather data for Nagasaki Japan is based on climate observations for 2026 year

Nagasaki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.014.223.122.827.828.634.131.531.628.424.318.7
Average daytime temperature (°C)8.69.814.817.720.624.729.229.928.021.316.912.4
Average temperature (°C)4.55.910.413.816.820.925.125.724.116.212.37.1
Average night temperature (°C)0.62.16.410.213.318.121.822.721.012.08.82.7
Absolute minimum temperature (°C)-5.5-2.70.23.37.414.018.220.716.47.32.0-5.8

Nagasaki monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)7.06.87.78.68.67.09.810.69.48.77.57.4
Precipitation (mm)3988171196225414862041811429586
Sunny days161114111291368151820
Rainy days141517191921182522161211
Snow days120000000000

Nagasaki - weather forecast by months

Nagasaki weather in januaryNagasaki weather in februaryNagasaki weather in marchNagasaki weather in aprilNagasaki weather in mayNagasaki weather in juneNagasaki weather in julyNagasaki weather in augustNagasaki weather in septemberNagasaki weather in octoberNagasaki weather in novemberNagasaki weather in december

Best time to visit Nagasaki:

The best time to visit Nagasaki during the most sunny months:

  • August — 10.6(h)

The largest precipitation sum in Nagasaki is at

  • May — 225(mm)
  • June — 414(mm)
  • August — 204(mm)

    • Weather forecast in the closest to Nagasaki admin centers

    Weather forecast in the closest towns to Nagasaki

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    Frequently asked questions

    When is the best time to visit Nagasaki?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Nagasaki.
    What is the weather like in Nagasaki?
    See average temperature, rainfall and daylight hours for Nagasaki by month in the table above.
    How many sunny days does Nagasaki have?
    The monthly weather statistics above show sunshine and rainfall patterns for Nagasaki throughout the year.