Achi Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Achi, Nagano Prefecture, Japan. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Across the seasons, sunshine hours in Achi vary. From a high of 203 hours in August, to a low of 149 hours in June, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2084 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 6.8 hours daily sunshine in August, it dips to 5.0 hours in June.

Average percent of sunshine

On average the sun shines 54% of the time during the day in January, the highest percentage of any month. June has the lowest percentage at 34%.

Achi enjoys an average of 2084 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

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

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

July, Achi’s wettest month, receives 203 mm (8 in) of rainfall and has a maximum daytime temperature of 27°C (81°F). During the driest month December you can expect a temperature of 7°C (45°F).

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