Isahaya Weather in June

Isahaya in June sees high daytime temperatures of 26°C (79°F) and nighttime lows of 21°C (70°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Isahaya in June

As part of the rainy season, Isahaya sees around 19 days of rain in June, with an average of 443 mm (17 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Isahaya in June

Isahaya in June gets highs of 26°C (79°F) during the day and drops to 21°C (70°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights are mild at around 21°C (70°F), which is comfortable for most people.

Sunshine in Isahaya in June

The month experiences a moderate amount of sunlight, with 126 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Isahaya in June

Wind speeds average 2 m/s (4 knots) during June. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in June

At 21°C (70°F), the water is pleasant for swimming. Most people find this range ideal — cool enough to be refreshing, warm enough to stay in comfortably.

June in Isahaya has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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

Isahaya Temperature in June

Min Temperature 21°C (70°F)  

Max Temperature 26°C (79°F)  

Water Temperature 21°C (70°F) *  

Chance of Rain 63%  

Precipitation 443 mm (17 in)  

Rainy days 19 days  

Humidity 80% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 126 hours *  

Percentage Sunshine 34% *  

* Data from: Nagasaki, Japan (23 KM, 14 Miles).

What to Wear in Isahaya in June

Warm but pleasant conditions in Isahaya in June. 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. With water temperatures around 21°C (70°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Isahaya in June

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

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 Isahaya's climate page.

More climate data for Isahaya

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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