When is the best time to go to Yanai
The chart above shows the best time of year to visit Yanai, 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 Yanai
Yanai weather by month
Please note our recommendations for when to visit Yanai 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 |
|---|---|---|---|---|
| 8°C | 59mm | 4.2hrs | 11.1hrs | 18°C |
January is a reasonably dry month in Yanai and the temperature is generally cool.
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 Yanai.
January is in the winter in Yanai and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night 1°C (33°F) is normal.
On average January is the driest month of the year in Yanai with around 59mm 2.3 inches of rain making it a reasonably dry 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 4.2 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 8°C | 74mm | 4.7hrs | 11.8hrs | 17°C |
February in Yanai is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Yanai for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Yanai and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 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 Yanai with around 74mm 2.9 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 4.7 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 116mm | 5.7hrs | 12.7hrs | 17°C |
The weather in March in Yanai is characteristically cool and damp.
Based on weather alone, this is probably a time of year to avoid going to Yanai for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Yanai 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 (38°F) is normal.
On average March is the 3rd driest month of the year in Yanai with around 116mm 4.6 inches of rain making it a 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 5.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 166mm | 6.2hrs | 13.8hrs | 18°C |
Yanai's weather in April is typically mild 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 Yanai.
April is in the spring in Yanai 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 Yanai with around 166mm 6.5 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 | Sea temp |
|---|---|---|---|---|
| 20°C | 162mm | 6.6hrs | 14.8hrs | 20°C |
May is a wet month in Yanai and the temperature is generally mild.
It is perhaps a good month to visit Yanai, with some surprisingly good weather at this time of year.
May is in the spring in Yanai 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 Yanai with around 162mm 6.4 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 6.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 23°C | 278mm | 5.4hrs | 11.1hrs | 23°C |
The weather in June in Yanai is characteristically warm, humid and very wet.
It is perhaps a good month to visit Yanai, with some inordinately good weather at this time of year.
June is in the summer in Yanai 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 Yanai with around 278mm 10.9 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 | Sea temp |
|---|---|---|---|---|
| 26°C | 244mm | 6.3hrs | 11.8hrs | 26°C |
July in Yanai is generally very wet with the temperature being hot.
It is perhaps the perfect month to visit Yanai, with some inordinately good weather at this time of year.
July is in the summer in Yanai and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Yanai with around 244mm 9.6 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 | Sea temp |
|---|---|---|---|---|
| 28°C | 147mm | 7.1hrs | 12.7hrs | 28°C |
The weather in August in Yanai is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Yanai for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Yanai 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 Yanai with around 147mm 5.8 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 7.1 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 24°C | 185mm | 5.6hrs | 13.8hrs | 27°C |
Yanai's weather in September is typically hot, humid and wet in nature.
It is perhaps the perfect month to visit Yanai, with some extremely good weather at this time of year.
September is in the fall / autumn in Yanai 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 Yanai with around 185mm 7.3 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 5.6 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 20°C | 106mm | 5.9hrs | 14.8hrs | 24°C |
October is a damp month in Yanai and the temperature is generally mild.
It is perhaps the perfect month to visit Yanai, with some inordinately good weather at this time of year.
October is in the fall / autumn in Yanai 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 Yanai 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 5.9 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 15°C | 72mm | 5.1hrs | 11.1hrs | 22°C |
November in Yanai is generally reasonably dry with the temperature being mild.
It is perhaps the perfect month to visit Yanai, with some particularly good weather at this time of year.
November is in the fall / autumn in Yanai and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 8°C (46°F) is normal.
On average November is the 2nd wettest month of the year in Yanai with around 72mm 2.8 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 | Sea temp |
|---|---|---|---|---|
| 10°C | 44mm | 4.4hrs | 11.8hrs | 20°C |
December in Yanai is generally reasonably dry with the temperature being cool.
It is perhaps the perfect month to visit Yanai, with some inordinately good weather at this time of year.
December is in the winter in Yanai and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 11°C (53°F), whilst at night 3°C (37°F) is normal.
On average December is the wettest month of the year in Yanai with around 44mm 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
Yanai weather stats
| Hottest month: | August | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | December | 44mm 1.7ins |
| Sunniest month: | August | 7.1hrs |
| Coldest month: | January | 8.4°C 47.1°F |
| Wettest month: | June | 278mm 10.9ins |
| Warmest sea: | August | 27.6°C 81.7°F |
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