When is the best time to go to Ōi
The chart above shows the best time of year to visit Ōi, 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 Ōi
Ōi weather by month
Please note our recommendations for when to visit Ōi 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 |
|---|---|---|---|
| 9°C | 34mm | 6.7hrs | 11hrs |
The weather in January in Ōi is characteristically cool and reasonably dry.
It is perhaps a good month to visit Ōi, with some very good weather at this time of year.
January is in the winter in Ōi and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 10°C (49°F), whilst at night -1°C (30°F) is normal.
On average January is the driest month of the year in Ōi with around 34mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 48mm | 6.2hrs | 11.8hrs |
February in Ōi is generally reasonably dry with the temperature being cool.
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 Ōi.
February is in the winter in Ōi and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 10°C (50°F), whilst at night -0°C (32°F) is normal.
On average February is the 2nd driest month of the year in Ōi with around 48mm 1.9 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 6.2 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 78mm | 6.1hrs | 12.8hrs |
The weather in March in Ōi is characteristically cool and reasonably dry.
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 Ōi.
March is in the spring in Ōi and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 3°C (37°F) is normal.
On average March is the 3rd driest month of the year in Ōi with around 78mm 3.1 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 6.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 105mm | 5.9hrs | 13.9hrs |
Ōi's weather in April is typically mild and damp 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 Ōi.
April is in the spring in Ōi and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 9°C (48°F) is normal.
On average April is the 4th driest month of the year in Ōi with around 105mm 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 5.9 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 126mm | 6.4hrs | 14.9hrs |
May is a wet month in Ōi and the temperature is generally warm.
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 Ōi.
May is in the spring in Ōi and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 13°C (56°F) is normal.
On average May is the 5th driest month of the year in Ōi with around 126mm 5 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 6.4 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 180mm | 4.4hrs | 11hrs |
June is a wet, humid month in Ōi and the temperature is generally warm.
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 Ōi.
June is in the summer in Ōi 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 Ōi with around 180mm 7.1 inches of rain making it a 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 4.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 137mm | 4.7hrs | 11.8hrs |
July in Ōi is generally wet with the temperature being hot.
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 Ōi.
July is in the summer in Ōi 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 (71°F) is normal.
On average July is the 6th wettest month of the year in Ōi with around 137mm 5.4 inches of rain making it a 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 4.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 162mm | 6.1hrs | 12.8hrs |
The weather in August in Ōi is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Ōi for your holidays. The weather is often not a good and not conducive to spending time outdoors.
August is in the summer in Ōi 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 (74°F) is normal.
On average August is the 5th wettest month of the year in Ōi with around 162mm 6.4 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 6.1 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 185mm | 4.1hrs | 13.9hrs |
Ōi's weather in September is typically warm, humid 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 Ōi.
September is in the fall / autumn in Ōi 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 Ōi with around 185mm 7.3 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 4.1 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 144mm | 4.8hrs | 14.9hrs |
October is a wet month in Ōi and the temperature is generally mild.
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 Ōi.
October is in the fall / autumn in Ōi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 13°C (55°F) is normal.
On average October is the 3rd wettest month of the year in Ōi with around 144mm 5.7 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 4.8 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 71mm | 5.4hrs | 11hrs |
November is a reasonably dry month in Ōi and the temperature is generally mild.
It is perhaps the perfect month to visit Ōi, with some very good weather at this time of year.
November is in the fall / autumn in Ōi and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 7°C (44°F) is normal.
On average November is the 2nd wettest month of the year in Ōi with around 71mm 2.8 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 5.4 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 37mm | 6.4hrs | 11.8hrs |
December in Ōi is generally reasonably dry with the temperature being cool.
It is perhaps the perfect month to visit Ōi, with some extremely good weather at this time of year.
December is in the winter in Ōi and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 2°C (35°F) is normal.
On average December is the wettest month of the year in Ōi with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
Other monthly averages
Ōi weather stats
| Hottest month: | August | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | January | 34mm 1.3ins |
| Sunniest month: | January | 6.7hrs |
| Coldest month: | January | 9.2°C 48.6°F |
| Wettest month: | September | 185mm 7.3ins |
| Warmest sea: | August | 26.3°C 79.3°F |
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