Iwanai Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Iwanai, Hokkaido, Japan. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Iwanai varies. It peaks at 199 hours in May and drops to 87 hours in December. The total annual amount of sun is 1749 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.9 hours of sunlight per day.

Iwanai enjoys an average of 1749 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

August, Iwanai’s wettest month, receives 171 mm (6.7 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month April you can expect a temperature of 9°C (48°F).

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