Best time to go to Karatsu Average weather of Karatsu, Japan

When is the best time to go to Karatsu?

When is the best time to go to Karatsu? Here's some information to help you in your decision:

The best months for good weather in Karatsu are April, May, June, August, September, October and November
On average, the warmest months are July and August
January is the coldest month of the year
July is the rainiest month
The best months for swimming are August and September

Annual weather in Karatsu

To get all the information about the climate and weather in Karatsu for a specific month, scroll down below the table and choose a month from the tabs.

Month			Our opinion
January	45°F/50°F	2.2in	bad weather
February	45°F/52°F	3.1in	bad weather
March	50°F/58°F	3.2in	tolerable weather
April	56°F/65°F	3.4in	good weather
May	63°F/72°F	3.9in	good weather
June	70°F/77°F	7.9in	good weather
July	76°F/83°F	9.9in	tolerable weather
August	79°F/86°F	7.4in	good weather
September	74°F/81°F	5.1in	good weather
October	67°F/72°F	2.9in	perfect weather
November	58°F/63°F	3in	good weather
December	49°F/54°F	2.9in	bad weather

Weather detail month by month in Karatsu

Weather and climate in Karatsu

Karatsu enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Karatsu is 68°F (ranging from 50°F in january to 86°F in august). Annual rainfall is 54.7in, with a minimum of 2.2in in january and a maximum of 9.9in in july.

Between the months of january and february the climate is bad. By early evening, the temperature averages 49°F.
In the month of march the climate is not good, but still OK. By early evening, the temperature averages 54°F and it rains about 3.2in each month.
From april to may the climate is good. The record temperature this month is 83°F and it rains about 19% of the time in may.
Between june and july the climate is okay. The record temperature this month is 95°F and you can expect to have 9.9in of rainfall/month during this period.
Between august and november the climate is beautiful. The temperature rises to 63°F and it rains about 3in each month.
In december the climate is unfavorable. At lunchtime, it's 52°F in average and it rains about 10% of the time in december.

Charts: temperature and rainfall in Karatsu

In the charts below, you can see the following seasonal norms for the city of Karatsu: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

Peak visitor numbers and tourist seasons in Karatsu

Find out when Karatsu has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Karatsu

Very low season in Karatsu
The months with the lowest number of tourists are: January and February.
Low season in Karatsu
The months with low numbers of tourists are: March, May, June and July.
High season in Karatsu
The number of visitors to Karatsu is high in: April, August and September.
Peak season in Karatsu
The largest number of tourists visiting Karatsu is during: October, November and December.

Figure: Visitor index for Karatsu month by month

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Best time for low prices in Karatsu

Average prices of hotels in Karatsu month by month

Generally, June is the month with the lowest hotel prices in Karatsu. So this is a great time to save on your holiday! In contrast, December is statistically the most expensive month of the year for hotels.