When is the best time to go to Iwakuni
The chart above shows the best time of year to visit Iwakuni, 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 Iwakuni
Iwakuni weather by month
Please note our recommendations for when to visit Iwakuni 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 | 57mm | 4.3hrs | 11.1hrs |
The climate in Iwakuni 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 Iwakuni.
January is in the winter in Iwakuni and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night 1°C (33°F) is normal.
On average January is the driest month of the year in Iwakuni with around 57mm 2.2 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 4.3 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 72mm | 4.7hrs | 11.8hrs |
February in Iwakuni is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Iwakuni for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Iwakuni and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night 1°C (34°F) is normal.
On average February is the 2nd driest month of the year in Iwakuni with around 72mm 2.9 inches of rain making it a reasonably dry 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 4.7 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 117mm | 5.7hrs | 12.7hrs |
The weather in March in Iwakuni is characteristically cool and damp.
Based on weather alone, this is probably a time of year to avoid going to Iwakuni for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Iwakuni and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 3°C (38°F) is normal.
On average March is the 3rd driest month of the year in Iwakuni with around 117mm 4.6 inches of rain making it a 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 5.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 171mm | 6.2hrs | 13.8hrs |
Iwakuni's weather in April is typically mild and wet in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Iwakuni.
April is in the spring in Iwakuni and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (48°F) is normal.
On average April is the 4th driest month of the year in Iwakuni with around 171mm 6.7 inches of rain making it a wet 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 | 163mm | 6.7hrs | 14.8hrs |
May is a wet month in Iwakuni and the temperature is generally mild.
It is perhaps a good month to visit Iwakuni, with some surprisingly good weather at this time of year.
May is in the spring in Iwakuni and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (56°F) is normal.
On average May is the 5th driest month of the year in Iwakuni with around 163mm 6.4 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 6.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 280mm | 5.4hrs | 11.1hrs |
The weather in June in Iwakuni is characteristically warm, humid and very 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 Iwakuni.
June is in the summer in Iwakuni 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 Iwakuni with around 280mm 11 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 5.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 241mm | 6.3hrs | 11.8hrs |
July in Iwakuni is generally very wet with the temperature being hot.
It is perhaps the perfect month to visit Iwakuni, with some inordinately good weather at this time of year.
July is in the summer in Iwakuni and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Iwakuni with around 241mm 9.5 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 6.3 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 137mm | 7.2hrs | 12.7hrs |
The weather in August in Iwakuni is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Iwakuni for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Iwakuni and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (74°F) is normal.
On average August is the 5th wettest month of the year in Iwakuni with around 137mm 5.4 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 7.2 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 182mm | 5.6hrs | 13.8hrs |
Iwakuni's weather in September is typically warm, humid and wet in nature.
It is perhaps the perfect month to visit Iwakuni, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Iwakuni 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 (67°F) is normal.
On average September is the 4th wettest month of the year in Iwakuni with around 182mm 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 5.6 hours of sunshine per day.
Iwakuni weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 104mm | 6hrs | 14.8hrs |
October is a damp month in Iwakuni and the temperature is generally mild.
It is perhaps the perfect month to visit Iwakuni, with some surprisingly good weather at this time of year.
October is in the fall / autumn in Iwakuni 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 Iwakuni with around 104mm 4.1 inches of rain making it a 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 6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 73mm | 5.1hrs | 11.1hrs |
November in Iwakuni is generally reasonably dry with the temperature being mild.
It is perhaps the perfect month to visit Iwakuni, with some surprisingly good weather at this time of year.
November is in the fall / autumn in Iwakuni and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (45°F) is normal.
On average November is the 2nd wettest month of the year in Iwakuni with around 73mm 2.9 inches of rain making it a reasonably 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 5.1 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 43mm | 4.4hrs | 11.8hrs |
December in Iwakuni is generally reasonably dry with the temperature being cool.
It is perhaps the perfect month to visit Iwakuni, with some surprisingly good weather at this time of year.
December is in the winter in Iwakuni and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 3°C (37°F) is normal.
On average December is the wettest month of the year in Iwakuni with around 43mm 1.7 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 4.4 hours of sunshine per day.
Other monthly averages
Iwakuni weather stats
| Hottest month: | August | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | December | 43mm 1.7ins |
| Sunniest month: | August | 7.2hrs |
| Coldest month: | January | 8.1°C 46.6°F |
| Wettest month: | June | 280mm 11ins |
| Warmest sea: | August | 27.1°C 80.8°F |
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