When is the best time to go to Isahaya
The chart above shows the best time of year to visit Isahaya, 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 Isahaya
Isahaya weather by month
Please note our recommendations for when to visit Isahaya 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 | 83mm | 3.5hrs | 11.2hrs |
Isahaya's weather in January is typically cool and a little damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Isahaya for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Isahaya and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night 1°C (33°F) is normal.
On average January is the driest month of the year in Isahaya with around 83mm 3.3 inches of rain making it a a little damp 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 3.5 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 97mm | 4.1hrs | 11.9hrs |
February in Isahaya is generally a little damp with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Isahaya for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Isahaya and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 2°C (35°F) is normal.
On average February is the 2nd driest month of the year in Isahaya with around 97mm 3.8 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 4.1 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 154mm | 5.3hrs | 12.7hrs |
The weather in March in Isahaya is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Isahaya for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Isahaya and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (40°F) is normal.
On average March is the 3rd driest month of the year in Isahaya with around 154mm 6.1 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 5.3 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 196mm | 5.7hrs | 13.8hrs |
Isahaya's weather in April is typically mild and wet in nature.
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 Isahaya.
April is in the spring in Isahaya and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 9°C (49°F) is normal.
On average April is the 4th driest month of the year in Isahaya with around 196mm 7.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 227mm | 6.1hrs | 14.7hrs |
May is a very wet month in Isahaya and the temperature is generally warm.
It is perhaps a good month to visit Isahaya, with some particularly good weather at this time of year.
May is in the spring in Isahaya and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 14°C (57°F) is normal.
On average May is the 5th driest month of the year in Isahaya with around 227mm 8.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 392mm | 4.9hrs | 11.2hrs |
Isahaya's weather in June is typically warm, humid and very 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 Isahaya.
June is in the summer in Isahaya and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 18°C (64°F) is normal.
On average June is the 6th driest month of the year in Isahaya with around 392mm 15.4 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 4.9 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 427mm | 5.7hrs | 11.9hrs |
July in Isahaya is generally very wet with the temperature being hot.
It is perhaps a good month to visit Isahaya, with some surprisingly good weather at this time of year.
July is in the summer in Isahaya and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (83°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Isahaya with around 427mm 16.8 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 5.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 215mm | 6.9hrs | 12.7hrs |
The weather in August in Isahaya is characteristically hot, humid and very wet.
It is perhaps the perfect month to visit Isahaya, with some particularly good weather at this time of year.
August is in the summer in Isahaya and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.
On average August is the 5th wettest month of the year in Isahaya with around 215mm 8.5 inches of rain making it a very 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 6.9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 212mm | 5.7hrs | 13.8hrs |
Isahaya's weather in September is typically warm, humid and very wet in nature.
It is perhaps the perfect month to visit Isahaya, with some extremely good weather at this time of year.
September is in the fall / autumn in Isahaya and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
On average September is the 4th wettest month of the year in Isahaya with around 212mm 8.4 inches of rain making it a very 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 5.7 hours of sunshine per day.
Isahaya weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 111mm | 6hrs | 14.7hrs |
October is a damp month in Isahaya and the temperature is generally mild.
It is perhaps the perfect month to visit Isahaya, with some particularly good weather at this time of year.
October is in the fall / autumn in Isahaya and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 13°C (55°F) is normal.
On average October is the 3rd wettest month of the year in Isahaya with around 111mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 87mm | 4.9hrs | 11.2hrs |
The climate in Isahaya during November can be summarized as mild and a little damp.
It is perhaps the perfect month to visit Isahaya, with some inordinately good weather at this time of year.
November is in the fall / autumn in Isahaya and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 8°C (46°F) is normal.
On average November is the 2nd wettest month of the year in Isahaya with around 87mm 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 4.9 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 64mm | 3.8hrs | 11.9hrs |
December in Isahaya is generally reasonably dry with the temperature being cool.
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 Isahaya.
December is in the winter in Isahaya and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 3°C (37°F) is normal.
On average December is the wettest month of the year in Isahaya with around 64mm 2.5 inches of rain making it a reasonably dry 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 3.8 hours of sunshine per day.
Other monthly averages
Isahaya weather stats
| Hottest month: | August | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | December | 64mm 2.5ins |
| Sunniest month: | October | 6hrs |
| Coldest month: | January | 7.8°C 46°F |
| Wettest month: | July | 427mm 16.8ins |
| Warmest sea: | August | 28.3°C 82.9°F |
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