Kiso Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kiso.
Climate overview of Kiso
Kiso, Japan, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 1°C (34°F).
Rain/snowfall is high, totalling around 2273 mm (89 in) per year. July is the wettest month and January the driest. The city also experiences a distinct rainy season from March to October, with warm summers and very cold winters.
Kiso Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kiso - and find the best time to visit.
Monthly Temperature in Kiso
Visitors to Kiso can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in August, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in August to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kiso
Kiso is known for its substantial rain/snowfall, with annual precipitation reaching 2273 mm (89 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 310 mm (12 in) of precipitation, recorded across 23 rainy days. In contrast, the driest month January brings less snowfall, with 115 mm (4.5 in) over 21 snowy days. For more details, please visit our Kiso Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Kiso
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August
- Warmest weather: July and August
- Seasonal pattern: A distinct rainy season from March to October, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Kiso
What is the best time to visit Kiso?
August typically offers the most optimal weather in Kiso. In contrast, January, February, March, April, June, July, October, November and December tend to have less optimal conditions. Kiso has a distinct rainy season from March to October, with warm summers and very cold winters.
What temperatures can I expect in Kiso?
Daytime highs range from 1°C (34°F) in January to 27°C (81°F) in August. Nighttime lows range from -10°C (14°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Kiso get?
Annual rainfall is around 2273 mm (89 in). July is the wettest month with 310 mm (12 in), while January is the driest with 115 mm (4.5 in).
Kiso 3-Day Forecast
Kiso on the map
Kiso is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Walk the 88 temple circuit
We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.
The famous bamboo forests of Arashiyama
The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.
10 reasons why you should visit Japan in winter
Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.