When is the best time to go to Isawa
The chart above shows the best time of year to visit Isawa, 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 Isawa
Isawa weather by month
Please note our recommendations for when to visit Isawa 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 |
|---|---|---|---|
| 7°C | 34mm | 6.8hrs | 11hrs |
The climate in Isawa during January can be summarized as cool and reasonably dry.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Isawa.
January is in the winter in Isawa and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night -5°C (23°F) is normal.
On average January is the driest month of the year in Isawa with around 34mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 51mm | 6.5hrs | 11.8hrs |
February in Isawa is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Isawa and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -4°C (26°F) is normal.
On average February is the 2nd driest month of the year in Isawa with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 85mm | 6.5hrs | 12.8hrs |
The weather in March in Isawa is characteristically cool and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Isawa and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 0°C (32°F) is normal.
On average March is the 3rd driest month of the year in Isawa with around 85mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 103mm | 6.2hrs | 13.9hrs |
Isawa's weather in April is typically mild and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often not a good and not conducive to spending time outdoors.
April is in the spring in Isawa and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 6°C (44°F) is normal.
On average April is the 4th driest month of the year in Isawa with around 103mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 109mm | 6.6hrs | 14.9hrs |
May is a damp month in Isawa and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Isawa.
May is in the spring in Isawa and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 11°C (52°F) is normal.
On average May is the 5th driest month of the year in Isawa with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 178mm | 4.7hrs | 11hrs |
June in Isawa is generally wet with the temperature being warm.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often not a good and not conducive to spending time outdoors.
June is in the summer in Isawa and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 16°C (60°F) is normal.
On average June is the 6th driest month of the year in Isawa with around 178mm 7 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 4.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 151mm | 5hrs | 11.8hrs |
July in Isawa is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often not a good and not conducive to spending time outdoors.
July is in the summer in Isawa and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.
On average July is the 6th wettest month of the year in Isawa with around 151mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 182mm | 6.2hrs | 12.8hrs |
The weather in August in Isawa is characteristically hot, humid and wet.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Isawa.
August is in the summer in Isawa and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (69°F) is normal.
On average August is the 5th wettest month of the year in Isawa with around 182mm 7.2 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 6.2 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 178mm | 4.5hrs | 13.9hrs |
Isawa's weather in September is typically warm, humid and wet in nature.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Isawa.
September is in the fall / autumn in Isawa 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 (62°F) is normal.
On average September is the 4th wettest month of the year in Isawa with around 178mm 7 inches of rain making it a wet 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 4.5 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 116mm | 5hrs | 14.9hrs |
October is a damp month in Isawa and the temperature is generally mild.
Based on weather alone, this is probably a time of year to avoid going to Isawa for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
October is in the fall / autumn in Isawa and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (50°F) is normal.
On average October is the 3rd wettest month of the year in Isawa with around 116mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 59mm | 5.8hrs | 11hrs |
The climate in Isawa during November can be summarized as cool and reasonably dry.
It is perhaps a good month to visit Isawa, with some particularly good weather at this time of year.
November is in the fall / autumn in Isawa and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 4°C (39°F) is normal.
On average November is the 2nd wettest month of the year in Isawa with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 28mm | 6.6hrs | 11.8hrs |
December in Isawa is generally dry with the temperature being cool.
It is perhaps the perfect month to visit Isawa, with some very good weather at this time of year.
December is in the winter in Isawa and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 10°C (50°F), whilst at night -2°C (28°F) is normal.
On average December is the wettest month of the year in Isawa with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
Other monthly averages
Isawa weather stats
| Hottest month: | August | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | December | 28mm 1.1ins |
| Sunniest month: | January | 6.8hrs |
| Coldest month: | January | 7.1°C 44.8°F |
| Wettest month: | August | 182mm 7.2ins |
| Warmest sea: | August | 26.8°C 80.2°F |
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