Ashikaga Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ashikaga.
Climate overview of Ashikaga
The climate in Ashikaga, Tochigi, Japan, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 8°C (46°F) in January.
The city has a wet climate, receiving around 1700 mm (67 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from June to October, with very warm summers and cold winters. September is the wettest month. Sunshine peaks in March, when the city sees around 6.5 hours of sunshine per day.
Ashikaga Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ashikaga - and find the best time to visit.
Monthly Temperature in Ashikaga
In Ashikaga, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 22°C (72°F) in August to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ashikaga
Ashikaga experiences significant rain/snowfall throughout the year, averaging 1700 mm (67 in) of precipitation annually. The seasons in Ashikaga bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 237 mm (9.3 in) of precipitation. This rainfall is distributed across 20 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 53 mm (2.1 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ashikaga 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 Ashikaga
In Ashikaga, summer days are longer and more sunny, with daily sunshine hours peaking at 6.5 hours in March. As the darker season arrives, the brightness of the sun becomes less. September sees a soft sun for only 3.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Ashikaga by Month
The relative humidity is high throughout the year in Ashikaga.
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 Ashikaga
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
- Fewest rainy days: January and December
- Seasonal pattern: A distinct rainy season from June to October, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Ashikaga
What is the best time to visit Ashikaga?
May typically offers the most optimal weather in Ashikaga. In contrast, January, February, March and August tend to have less optimal conditions. Ashikaga has a distinct rainy season from June to October, with very warm summers and cold winters.
What temperatures can I expect in Ashikaga?
Daytime highs range from 8°C (46°F) in January to 31°C (88°F) in August. Nighttime lows range from -1°C (30°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Ashikaga get?
Annual rainfall is around 1700 mm (67 in). September is the wettest month with 237 mm (9.3 in), while December is the driest with 53 mm (2.1 in).
How sunny is Ashikaga?
Ashikaga 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.
Ashikaga 3-Day Forecast
Ashikaga on the map
Ashikaga is highlighted - select any city to see its climate.
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