The climate in Shimabara during June can be summarized as warm, humid and very wet.
June is in the summer in Shimabara and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
|Daytime temperature||26.9°C 80.4°F|
|Nightly temperature||18.9°C 66°F|
|Average temperature||22.9°C 73.2°F|
|Daily sunshine||4.9 hrs|
|Avg rainfall||388 mm 15.3 ins|
|Rainy days||19 days|
|Sea temperature||23.3°C 74°F|
|Windspeed||7.3kph 5 mph|
On average June is the 2nd wettest month of the year in Shimabara with around 388mm 15.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Shimabara in June 2022.
|Hottest month:||August||31.6°C 88.9°F|
|Driest month:||December||58mm 2.3ins|
|Coldest month:||January||9.3°C 48.7°F|
|Wettest month:||July||395mm 15.6ins|