When is the best time to go to Jōetsu
The chart above shows the best time of year to visit Jōetsu, Japan. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Jōetsu
Jōetsu weather by month
Please note our recommendations for when to visit Jōetsu are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 345mm | 2.9hrs | 10.9hrs |
January in Jōetsu is generally very wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Jōetsu for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Jōetsu and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -3°C (28°F) is normal.
On average January is the driest month of the year in Jōetsu with around 345mm 13.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 28 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.9 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 213mm | 3.7hrs | 11.7hrs |
February in Jōetsu is generally very wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Jōetsu for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Jōetsu and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (42°F), whilst at night -2°C (28°F) is normal.
On average February is the 2nd driest month of the year in Jōetsu with around 213mm 8.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.7 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 154mm | 5.1hrs | 12.8hrs |
The weather in March in Jōetsu is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Jōetsu for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Jōetsu and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night -1°C (31°F) is normal.
On average March is the 3rd driest month of the year in Jōetsu with around 154mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 25 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 89mm | 6.4hrs | 14hrs |
Jōetsu's weather in April is typically mild and a little damp in nature.
It is perhaps a good month to visit Jōetsu, with some very good weather at this time of year.
April is in the spring in Jōetsu and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 5°C (42°F) is normal.
On average April is the 4th driest month of the year in Jōetsu with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 96mm | 7.1hrs | 15hrs |
May is a a little damp month in Jōetsu and the temperature is generally mild.
It is perhaps the perfect month to visit Jōetsu, with some surprisingly good weather at this time of year.
May is in the spring in Jōetsu and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 22°C (71°F), whilst at night 11°C (51°F) is normal.
On average May is the 5th driest month of the year in Jōetsu with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 149mm | 5.5hrs | 10.9hrs |
The climate in Jōetsu during June can be summarized as warm, humid and wet.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it a good time to visit Jōetsu.
June is in the summer in Jōetsu and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 16°C (61°F) is normal.
On average June is the 6th driest month of the year in Jōetsu with around 149mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 203mm | 5.6hrs | 11.7hrs |
July in Jōetsu is generally very wet with the temperature being hot.
It is perhaps a good month to visit Jōetsu, with some extremely good weather at this time of year.
July is in the summer in Jōetsu and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 21°C (69°F) is normal.
On average July is the 6th wettest month of the year in Jōetsu with around 203mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 164mm | 6.7hrs | 12.8hrs |
The weather in August in Jōetsu is characteristically hot, humid and wet.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Jōetsu.
August is in the summer in Jōetsu and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 22°C (71°F) is normal.
On average August is the 5th wettest month of the year in Jōetsu with around 164mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 211mm | 4.7hrs | 14hrs |
Jōetsu's weather in September is typically warm, humid and very wet in nature.
It is perhaps a good month to visit Jōetsu, with some inordinately good weather at this time of year.
September is in the fall / autumn in Jōetsu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 17°C (63°F) is normal.
On average September is the 4th wettest month of the year in Jōetsu with around 211mm 8.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.7 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 188mm | 4.9hrs | 15hrs |
October is a wet month in Jōetsu and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Jōetsu.
October is in the fall / autumn in Jōetsu and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 11°C (51°F) is normal.
On average October is the 3rd wettest month of the year in Jōetsu with around 188mm 7.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 260mm | 4.1hrs | 10.9hrs |
November is a very wet month in Jōetsu and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Jōetsu for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Jōetsu and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 5°C (41°F) is normal.
On average November is the 2nd wettest month of the year in Jōetsu with around 260mm 10.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.1 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 335mm | 3.4hrs | 11.7hrs |
December in Jōetsu is generally very wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Jōetsu for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Jōetsu and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night 0°C (33°F) is normal.
On average December is the wettest month of the year in Jōetsu with around 335mm 13.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 27 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.4 hours of sunshine per day.
Other monthly averages
Jōetsu weather stats
| Hottest month: | August | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | April | 89mm 3.5ins |
| Sunniest month: | May | 7.1hrs |
| Coldest month: | January | 4.9°C 40.8°F |
| Wettest month: | January | 345mm 13.6ins |
| Warmest sea: | August | 25.2°C 77.4°F |
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