Itoigawa Climate by Month
Itoigawa experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It is also known for its large amounts of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The climate in Itoigawa is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 28°C in August to a chilly 4°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to -1°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Itoigawa has a notably wet climate with abundant precipitation, recording 2801 mm of rain/snowfall per year. Itoigawa offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between January (309 mm) and May (147 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Itoigawa serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 6.6 hours of sunshine daily, and embrace the darker days in January, offering only 2.2 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Itoigawa in Japan
During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.The average rainfall figures in Itoigawa are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose August which is the sunniest month of the year.
Other facts from our historical weather data:
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 4°C.
January tops the wettest month list with 309 mm of rainfall.
May is the driest month with 147 mm of precipitation.
August is the sunniest month with an average of 198 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
