When is the best time to go to Ōmama
The chart above shows the best time of year to visit Ōmama, 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 Ōmama
Ōmama weather by month
Please note our recommendations for when to visit Ōmama 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 | 30mm | 6.7hrs | 10.9hrs |
The climate in Ōmama during January can be summarized as cool and dry.
It is perhaps a good month to visit Ōmama, with some particularly good weather at this time of year.
January is in the winter in Ōmama and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -3°C (26°F) is normal.
On average January is the driest month of the year in Ōmama with around 30mm 1.2 inches of rain making it a 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 6.7 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 41mm | 6.4hrs | 11.7hrs |
February in Ōmama is generally reasonably dry with the temperature being cool.
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 Ōmama.
February is in the winter in Ōmama and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -3°C (27°F) is normal.
On average February is the 2nd driest month of the year in Ōmama with around 41mm 1.6 inches of rain making it a reasonably dry 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 6.4 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 56mm | 6.5hrs | 12.8hrs |
The weather in March in Ōmama is characteristically cool and reasonably dry.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it a good time to visit Ōmama.
March is in the spring in Ōmama and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 0°C (33°F) is normal.
On average March is the 3rd driest month of the year in Ōmama with around 56mm 2.2 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 6.5 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 83mm | 6.2hrs | 14hrs |
Ōmama's weather in April is typically mild and a little damp in nature.
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 Ōmama.
April is in the spring in Ōmama and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 6°C (44°F) is normal.
On average April is the 4th driest month of the year in Ōmama with around 83mm 3.3 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 6.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 103mm | 6.6hrs | 15hrs |
May is a damp month in Ōmama and the temperature is generally mild.
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 Ōmama.
May is in the spring in Ōmama and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 11°C (53°F) is normal.
On average May is the 5th driest month of the year in Ōmama with around 103mm 4.1 inches of rain making it a 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 6.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 173mm | 4.5hrs | 10.9hrs |
Warm, humid and wet weather often prevails in Ōmama during the month of June
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 Ōmama.
June is in the summer in Ōmama and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 16°C (61°F) is normal.
On average June is the 6th driest month of the year in Ōmama with around 173mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 168mm | 4.6hrs | 11.7hrs |
July in Ōmama is generally wet with the temperature being hot.
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 Ōmama.
July is in the summer in Ōmama and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 20°C (68°F) is normal.
On average July is the 6th wettest month of the year in Ōmama with around 168mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 189mm | 5.8hrs | 12.8hrs |
The weather in August in Ōmama is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Ōmama for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Ōmama and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 22°C (71°F) is normal.
On average August is the 5th wettest month of the year in Ōmama with around 189mm 7.4 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 5.8 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 196mm | 4.1hrs | 14hrs |
Ōmama'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 Ōmama.
September is in the fall / autumn in Ōmama and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (78°F), whilst at night 18°C (64°F) is normal.
On average September is the 4th wettest month of the year in Ōmama with around 196mm 7.7 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 4.1 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 110mm | 5hrs | 15hrs |
October is a damp month in Ōmama 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 Ōmama.
October is in the fall / autumn in Ōmama and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 11°C (51°F) is normal.
On average October is the 3rd wettest month of the year in Ōmama with around 110mm 4.3 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 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 56mm | 5.7hrs | 10.9hrs |
The weather in November in Ōmama is characteristically cool and reasonably dry.
It is perhaps a good month to visit Ōmama, with some particularly good weather at this time of year.
November is in the fall / autumn in Ōmama and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 5°C (40°F) is normal.
On average November is the 2nd wettest month of the year in Ōmama with around 56mm 2.2 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 5.7 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 29mm | 6.4hrs | 11.7hrs |
December in Ōmama is generally dry with the temperature being cool.
It is perhaps the perfect month to visit Ōmama, with some surprisingly good weather at this time of year.
December is in the winter in Ōmama and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 10°C (51°F), whilst at night -1°C (31°F) is normal.
On average December is the wettest month of the year in Ōmama with around 29mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 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
Ōmama weather stats
| Hottest month: | August | 30.1°C 86.2°F |
|---|---|---|
| Driest month: | December | 29mm 1.1ins |
| Sunniest month: | January | 6.7hrs |
| Coldest month: | January | 7.5°C 45.5°F |
| Wettest month: | September | 196mm 7.7ins |
| Warmest sea: | August | 26°C 78.8°F |
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