Hachimantai Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Hachimantai, Iwate, Japan. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Across the seasons, sunshine hours in Hachimantai vary. From a high of 197 hours in May, to a low of 125 hours in December, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 1866 hours.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. May sees up to 6.6 hours of daily sunshine, perfect for a sunny trip. December, the least sunny month, still offers a generous 4.2 hours of sun despite this cloudier / rainier time of the year.

Hachimantai enjoys an average of 1866 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

July, Hachimantai’s wettest month, receives 160 mm (6.3 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month January you can expect a temperature of 0°C (32°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Hachimantai Precipitation page.