Best year time to visit Karatsu

General weather information about Karatsu

Average annual temperature is 17.2 °C

Absolute maximum temperature: 37.4 °C

Absolute minimum temperature: -3.5 °C

Number of sunny days: 134 days

Number of rainy days: 226 days

Number of snow days: 5 days

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

Karatsu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.916.624.125.229.230.034.137.432.225.626.922.7
Average daytime temperature (°C)9.711.716.519.122.926.331.032.529.022.317.812.7
Average temperature (°C)6.78.211.915.118.822.627.128.225.418.313.89.3
Average night temperature (°C)3.64.88.211.515.619.524.325.022.714.710.76.4
Absolute minimum temperature (°C)-3.5-0.60.16.38.414.822.121.818.69.54.61.4

Karatsu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.26.47.78.18.17.88.810.89.08.87.35.4
Precipitation (mm)105124109173236229239179128279388
Sunny days1211171714932521158
Rainy days161714131721282925101521
Snow days300000000002

Karatsu - weather forecast by months

Karatsu weather in januaryKaratsu weather in februaryKaratsu weather in marchKaratsu weather in aprilKaratsu weather in mayKaratsu weather in juneKaratsu weather in julyKaratsu weather in augustKaratsu weather in septemberKaratsu weather in octoberKaratsu weather in novemberKaratsu weather in december

Best time to visit Karatsu:

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

  • August — 10.8(h)

The largest precipitation sum in Karatsu is at

  • May — 236(mm)
  • June — 229(mm)
  • July — 239(mm)

    • Weather forecast in the closest to Karatsu admin centers

    Weather forecast in the closest towns to Karatsu

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    Frequently asked questions

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