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What’s the climate like in Nagasaki?

The current climate in Nagasaki features temperatures ranging from a high of 32°C to a low of 10°C throughout the year. The average yearly temperature is around 21°C. At night, temperatures in the colder months average around 1°C and in the warmer months around 25°C.

The highest temperature recorded in Nagasaki in recent years was 38°C in August 2021. The lowest daytime temperature recorded was 0°C in January 2016.

On average, Nagasaki gets 1320 mm of precipitation each year. Of this, about 4,1 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

The typhoon season in Nagasaki runs from June to November.

Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.

Best time to visit Nagasaki?

The best time to visit Nagasaki for sunny weather is April, May, October and November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Nagasaki. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Nagasaki

The climate table of Nagasaki shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 10 11 15 20 24 27 31 32 28 23 18 12
Temp. min (°C) 1 2 5 10 14 20 24 25 22 15 9 4
Precipitation
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Precipitation (mm) 43 39 86 115 101 180 228 138 196 92 49 53
Snow (cm) 2,6 0,6 0,1 0 0 0 0 0 0 0 0 0,8
UV Index 4 5 7 7 8 7 7 7 6 6 5 4

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 21°C
  • Highest temperature: 32°C in August
  • Lowest temperature: 10°C in January
  • Precipitation*: 1320 mm per year, averaging 110 mm per month
  • Snowfall: 4,1 cm per year
  • Driest months: 39 mm in February, 43 mm in January and 49 mm in November
  • Wettest months: 228 mm in July, 196 mm in September and 180 mm in June

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Nagasaki

This graph shows the average maximum temperatures per month in Nagasaki, Japan. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Nagasaki, Japan,

Average Precipitation per Month in Nagasaki

This graph shows how much rainfall Nagasaki, Japan, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Precipitation per Month in Nagasaki, Japan,

Average Snowfall per Month in Nagasaki

This graph shows how much snow Nagasaki, Japan, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Nagasaki, Japan,

Average UV Index per Month in Nagasaki

This graph shows the average UV index per month in Nagasaki, Japan. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Nagasaki, Japan,

Yearly Temperature in Nagasaki

This graph shows the average yearly temperature in Nagasaki, Japan. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Nagasaki, Japan,

Total Yearly Precipitation in Nagasaki

This chart shows the total yearly precipitation in Nagasaki, Japan, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Nagasaki, Japan,

Total Yearly Snowfall in Nagasaki

This chart shows the total yearly snowfall in Nagasaki, Japan, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Nagasaki, Japan,

Weather experiences in Nagasaki

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Average Weather in Nagasaki by Month

Click on a month below to see detailed weather info for Nagasaki. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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