When is the best time to go to Innoshima
The chart above shows the best time of year to visit Innoshima, 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 Innoshima
Innoshima weather by month
Please note our recommendations for when to visit Innoshima 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 | Sea temp |
|---|---|---|---|---|
| 7°C | 40mm | 4.8hrs | 11.1hrs | 16°C |
Cool and reasonably dry weather often prevails in Innoshima during the month of January
Based on weather alone, this is probably a time of year to avoid going to Innoshima for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Innoshima 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 (31°F) is normal.
On average January is the driest month of the year in Innoshima with around 40mm 1.6 inches of rain making it a reasonably dry 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 4.8 hours of sunshine per day.
Innoshima weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 8°C | 52mm | 5hrs | 11.8hrs | 15°C |
February in Innoshima is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Innoshima for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Innoshima and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 9°C (47°F), whilst at night -0°C (31°F) is normal.
On average February is the 2nd driest month of the year in Innoshima with around 52mm 2.1 inches of rain making it a reasonably dry 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 hours of sunshine per day.
Innoshima weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 82mm | 5.9hrs | 12.7hrs | 15°C |
The weather in March in Innoshima is characteristically cool and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Innoshima for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Innoshima and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 2°C (36°F) is normal.
On average March is the 3rd driest month of the year in Innoshima with around 82mm 3.2 inches of rain making it a a little damp 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 5.9 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 125mm | 6.4hrs | 13.9hrs | 16°C |
Innoshima's weather in April is typically mild and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Innoshima for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
April is in the spring in Innoshima and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 8°C (46°F) is normal.
On average April is the 4th driest month of the year in Innoshima with around 125mm 4.9 inches of rain making it a wet 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 6.4 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 20°C | 127mm | 6.9hrs | 14.8hrs | 19°C |
May is a wet month in Innoshima and the temperature is generally mild.
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 Innoshima.
May is in the spring in Innoshima and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (55°F) is normal.
On average May is the 5th driest month of the year in Innoshima with around 127mm 5 inches of rain making it a wet 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 6.9 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 23°C | 216mm | 5.7hrs | 11.1hrs | 22°C |
The climate in Innoshima during June can be summarized as warm, humid and very wet.
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 Innoshima.
June is in the summer in Innoshima and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 18°C (64°F) is normal.
On average June is the 6th driest month of the year in Innoshima with around 216mm 8.5 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 5.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 184mm | 6.5hrs | 11.8hrs | 25°C |
July in Innoshima is generally wet with the temperature being hot.
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 Innoshima.
July is in the summer in Innoshima and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Innoshima with around 184mm 7.2 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 6.5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 106mm | 7.5hrs | 12.7hrs | 27°C |
The weather in August in Innoshima is characteristically hot, humid and damp.
Based on weather alone, this is probably a time of year to avoid going to Innoshima for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Innoshima and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
On average August is the 5th wettest month of the year in Innoshima with around 106mm 4.2 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 7.5 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 24°C | 174mm | 5.6hrs | 13.9hrs | 26°C |
Innoshima's weather in September is typically warm, humid and wet in nature.
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 Innoshima.
September is in the fall / autumn in Innoshima and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (66°F) is normal.
On average September is the 4th wettest month of the year in Innoshima with around 174mm 6.8 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 5.6 hours of sunshine per day.
Innoshima weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 97mm | 5.9hrs | 14.8hrs | 23°C |
October is a a little damp month in Innoshima and the temperature is generally mild.
It is perhaps the perfect month to visit Innoshima, with some particularly good weather at this time of year.
October is in the fall / autumn in Innoshima and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 12°C (54°F) is normal.
On average October is the 3rd wettest month of the year in Innoshima with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
Innoshima weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 63mm | 5.3hrs | 11.1hrs | 21°C |
The weather in November in Innoshima is characteristically mild and reasonably dry.
It is perhaps a good month to visit Innoshima, with some extremely good weather at this time of year.
November is in the fall / autumn in Innoshima and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 6°C (44°F) is normal.
On average November is the 2nd wettest month of the year in Innoshima with around 63mm 2.5 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 5.3 hours of sunshine per day.
Innoshima weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 30mm | 4.9hrs | 11.8hrs | 18°C |
December in Innoshima is generally dry with the temperature being cool.
It is perhaps the perfect month to visit Innoshima, with some surprisingly good weather at this time of year.
December is in the winter in Innoshima and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 2°C (35°F) is normal.
On average December is the wettest month of the year in Innoshima with around 30mm 1.2 inches of rain making it a dry 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 4.9 hours of sunshine per day.
Other monthly averages
Innoshima weather stats
| Hottest month: | August | 31°C 87.8°F |
|---|---|---|
| Driest month: | December | 30mm 1.2ins |
| Sunniest month: | August | 7.5hrs |
| Coldest month: | January | 7.8°C 46°F |
| Wettest month: | June | 216mm 8.5ins |
| Warmest sea: | August | 27.3°C 81.1°F |
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