Nasu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nasu.
Climate overview of Nasu
The climate in Nasu, Tochigi, Japan, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in August to 5°C (41°F) in January.
Rain/snowfall is high, totalling around 1754 mm (69 in) per year. July is the wettest month and December the driest. The city also experiences a distinct rainy season from June to October, with warm summers and cold winters. Sunshine peaks in March, when the city sees around 6.5 hours of sunshine per day.
Nasu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nasu - and find the best time to visit.
Monthly Temperature in Nasu
In Nasu, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in August, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 20°C (68°F) in August to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nasu
Nasu experiences significant rain/snowfall throughout the year, averaging 1754 mm (69 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 242 mm (9.5 in) of precipitation, recorded across 23 rainy days. In contrast, the driest month December brings less rainfall, with 74 mm (2.9 in) over 20 rainy days. For more details, please visit our Nasu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nasu
Seasonal changes in sunshine hours are quite dramatic in Nasu. While March receives considerable daily sunshine with up to 6.5 hours, September marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Nasu by Month
The relative humidity is high throughout the year in Nasu.
The city experiences its highest humidity in July, reaching 87%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Nasu
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Most sunshine: March and May
- Seasonal pattern: A distinct rainy season from June to October, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Nasu
What is the best time to visit Nasu?
May typically offers the most optimal weather in Nasu. In contrast, January, February, March and December tend to have less optimal conditions. Nasu has a distinct rainy season from June to October, with warm summers and cold winters.
What temperatures can I expect in Nasu?
Daytime highs range from 5°C (41°F) in January to 29°C (84°F) in August. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Nasu get?
Annual rainfall is around 1754 mm (69 in). July is the wettest month with 242 mm (9.5 in), while December is the driest with 74 mm (2.9 in).
How sunny is Nasu?
Nasu receives around 1,824 hours of sunshine per year. March is the sunniest month with 195 hours, while September is the cloudiest with just 98 hours.
Nasu 3-Day Forecast
Nasu on the map
Nasu is highlighted - select any city to see its climate.
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