Nagano Weather & Best Months to Visit: A Seasonal Guide

Nagano Weather & Best Months to Visit: A Seasonal Guide

Nagano Weather & Best Months to Visit: A Seasonal Guide


Nagano, located in the central part of Honshu Island in Japan, experiences a diverse climate throughout the year.

Spring (March to May)

Spring in Nagano is a beautiful time when cherry blossoms paint the city in shades of pink. The weather gradually warms up, with temperatures ranging from 9 to 17 degrees Celsius (48 to 63 degrees Fahrenheit). The month of April is usually the best time to witness the full bloom of cherry blossoms. However, it is important to pack a light jacket as evenings can still be chilly.

Summer (June to August)

Summer in Nagano is warm and humid, with temperatures ranging from 20 to 30 degrees Celsius (68 to 86 degrees Fahrenheit). July and August are the hottest months, with occasional rainfall and high humidity. It is a great time to explore the city's outdoor attractions such as the beautiful lakes, hiking trails, and water sports activities. Don't forget to pack sunscreen and light clothing to stay comfortable.

Autumn (September to November)

Autumn in Nagano is known for its stunning foliage as the leaves turn vibrant shades of red, orange, and yellow. The weather starts to cool down, with temperatures ranging from 12 to 25 degrees Celsius (54 to 77 degrees Fahrenheit). October is considered the best month to witness the autumn colors. It is a great time to visit the countryside and enjoy scenic drives, mountain hikes, and hot springs.

Winter (December to February)

Winter in Nagano can be quite cold, with temperatures dropping below freezing point. The region is known for its heavy snowfall, making it a popular destination for winter sports enthusiasts. The temperatures during this time range from -6 to 6 degrees Celsius (21 to 43 degrees Fahrenheit). December to February is the best time to enjoy skiing, snowboarding, and other winter activities. Don't forget to pack warm clothing, gloves, and snow boots.

Monthly Weather Overview

Month Season Humidity Temperature (Celsius) Sun (hours) Rain (mm)
March Spring 59% 9-17 180 59
April Spring 62% 13-21 194 71
May Spring 66% 17-24 206 89
June Summer 75% 20-26 172 136
July Summer 82% 23-29 172 144
August Summer 81% 23-30 190 137
September Autumn 76% 20-26 182 114
October Autumn 70% 14-21 185 86
November Autumn 65% 9-15 169 93
December Winter 64% -1-4 151 57
January Winter 67% -5-2 158 52
February Winter 63% -4-4 160 51

Source: Nagano Weather Bureau


Nagano offers a variety of weather conditions throughout the year, each with its own unique charm. Whether you prefer cherry blossoms in spring, outdoor adventures in summer, colorful foliage in autumn, or winter sports in the snow, there is something for everyone in Nagano. Plan your visit according to your preferred weather and activities to make the most of your trip to this picturesque part of Japan.