Karatsu Weather in August

With daytime temperatures of 31°C (88°F) and nighttime lows of 26°C (79°F), August in Karatsu brings very high temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Karatsu in August

As part of the rainy season, Karatsu sees around 16 days of rain in August, with an average of 173 mm (6.8 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Karatsu in August

Expect highs of 31°C (88°F) in Karatsu in August, with nights dropping to around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.

Sunshine in Karatsu in August

There are approximately 203 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

If you prefer enjoying temperate temperatures and rain-free days, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Japan, check out our Karatsu's climate page.

Karatsu Temperature in August

Min Temperature 26°C (79°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 53%  

Precipitation 173 mm (6.8 in)  

Rainy days 16 days  

Humidity 72% *  

Sunshine 203 hours *  

Percentage Sunshine *  

* Data from: Fukuoka, Japan (44 KM, 27 Miles).

What to Wear in Karatsu in August

Warm but pleasant conditions in Karatsu in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Karatsu in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Karatsu's climate page.

More climate data for Karatsu

Temperature Rainfall Sunshine Humidity

See the full Karatsu climate overview or explore weather in Japan.