When is the best time to go to Nagasaki
The chart above shows the best time of year to visit Nagasaki, 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 Nagasaki
Nagasaki weather by month
Please note our recommendations for when to visit Nagasaki 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 | 86mm | 3.5hrs | 11.2hrs | 18°C |
Cool and a little damp weather often prevails in Nagasaki during the month of January
Based on weather alone, this is probably a time of year to avoid going to Nagasaki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Nagasaki and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 9°C (49°F), whilst at night 3°C (37°F) is normal.
On average January is the driest month of the year in Nagasaki with around 86mm 3.4 inches of rain making it a a little damp 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 3.5 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 9°C | 94mm | 4.1hrs | 11.9hrs | 17°C |
February in Nagasaki is generally a little damp with the temperature being cool.
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 Nagasaki.
February is in the winter in Nagasaki and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 3°C (37°F) is normal.
On average February is the 2nd driest month of the year in Nagasaki with around 94mm 3.7 inches of rain making it a a little damp 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.
Nagasaki weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 13°C | 142mm | 5.3hrs | 12.7hrs | 18°C |
The weather in March in Nagasaki is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Nagasaki for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Nagasaki and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (42°F) is normal.
On average March is the 3rd driest month of the year in Nagasaki with around 142mm 5.6 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 5.3 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 191mm | 5.7hrs | 13.8hrs | 19°C |
Nagasaki's weather in April is typically mild and wet 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 Nagasaki.
April is in the spring in Nagasaki and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 11°C (51°F) is normal.
On average April is the 4th driest month of the year in Nagasaki with around 191mm 7.5 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 5.7 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 214mm | 6.2hrs | 14.7hrs | 20°C |
May is a very wet month in Nagasaki and the temperature is generally warm.
It is perhaps a good month to visit Nagasaki, with some inordinately good weather at this time of year.
May is in the spring in Nagasaki and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 15°C (59°F) is normal.
On average May is the 5th driest month of the year in Nagasaki with around 214mm 8.4 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 6.2 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 23°C | 362mm | 5hrs | 11.2hrs | 23°C |
The weather in June in Nagasaki is characteristically warm, humid and very wet.
It is perhaps a good month to visit Nagasaki, with some surprisingly good weather at this time of year.
June is in the summer in Nagasaki and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 19°C (66°F) is normal.
On average June is the 6th driest month of the year in Nagasaki with around 362mm 14.3 inches of rain making it a very 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 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 361mm | 6hrs | 11.9hrs | 26°C |
July in Nagasaki is generally very wet with the temperature being hot.
It is perhaps a good month to visit Nagasaki, with some particularly good weather at this time of year.
July is in the summer in Nagasaki and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 24°C (74°F) is normal.
On average July is the 6th wettest month of the year in Nagasaki with around 361mm 14.2 inches of rain making it a very 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 6 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 205mm | 7.3hrs | 12.7hrs | 28°C |
The weather in August in Nagasaki is characteristically hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to Nagasaki for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
August is in the summer in Nagasaki and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.
On average August is the 5th wettest month of the year in Nagasaki with around 205mm 8.1 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 7.3 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 201mm | 5.9hrs | 13.8hrs | 27°C |
Nagasaki's weather in September is typically hot, humid and very wet in nature.
It is perhaps the perfect month to visit Nagasaki, with some particularly good weather at this time of year.
September is in the fall / autumn in Nagasaki and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.
On average September is the 4th wettest month of the year in Nagasaki with around 201mm 7.9 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 5.9 hours of sunshine per day.
Nagasaki weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 103mm | 6.2hrs | 14.7hrs | 25°C |
October is a damp month in Nagasaki and the temperature is generally warm.
It is perhaps the perfect month to visit Nagasaki, with some extremely good weather at this time of year.
October is in the fall / autumn in Nagasaki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 15°C (58°F) is normal.
On average October is the 3rd wettest month of the year in Nagasaki with around 103mm 4.1 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 6.2 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 92mm | 5hrs | 11.2hrs | 23°C |
November in Nagasaki is generally a little damp with the temperature being mild.
It is perhaps the perfect month to visit Nagasaki, with some extremely good weather at this time of year.
November is in the fall / autumn in Nagasaki and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 9°C (49°F) is normal.
On average November is the 2nd wettest month of the year in Nagasaki with around 92mm 3.6 inches of rain making it a a little 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.
Nagasaki weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 71mm | 3.8hrs | 11.9hrs | 20°C |
December in Nagasaki is generally reasonably dry with the temperature being 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 Nagasaki.
December is in the winter in Nagasaki and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 5°C (40°F) is normal.
On average December is the wettest month of the year in Nagasaki with around 71mm 2.8 inches of rain making it a reasonably dry 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 3.8 hours of sunshine per day.
Other monthly averages
Nagasaki weather stats
| Hottest month: | August | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | December | 71mm 2.8ins |
| Sunniest month: | August | 7.3hrs |
| Coldest month: | January | 9.2°C 48.6°F |
| Wettest month: | June | 362mm 14.3ins |
| Warmest sea: | August | 28.1°C 82.6°F |
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