When is the best time to go to Iwatsuki
The chart above shows the best time of year to visit Iwatsuki, 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 Iwatsuki
Iwatsuki weather by month
Please note our recommendations for when to visit Iwatsuki 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 |
|---|---|---|---|
| 8°C | 37mm | 6.6hrs | 11hrs |
January is a reasonably dry month in Iwatsuki and the temperature is generally cool.
It is perhaps a good month to visit Iwatsuki, with some extremely good weather at this time of year.
January is in the winter in Iwatsuki and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 9°C (49°F), whilst at night -1°C (30°F) is normal.
On average January is the driest month of the year in Iwatsuki with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 53mm | 6.1hrs | 11.8hrs |
February in Iwatsuki 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 Iwatsuki.
February is in the winter in Iwatsuki 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 Iwatsuki with around 53mm 2.1 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 6.1 hours of sunshine per day.
Iwatsuki weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 84mm | 6hrs | 12.8hrs |
The weather in March in Iwatsuki is characteristically cool and a little damp.
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 Iwatsuki.
March is in the spring in Iwatsuki 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 Iwatsuki with around 84mm 3.3 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 6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 110mm | 5.8hrs | 13.9hrs |
Iwatsuki's weather in April is typically mild and damp in nature.
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 Iwatsuki.
April is in the spring in Iwatsuki and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (65°F), whilst at night 9°C (48°F) is normal.
On average April is the 4th driest month of the year in Iwatsuki with around 110mm 4.3 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 5.8 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 127mm | 6.3hrs | 14.9hrs |
May is a wet month in Iwatsuki and the temperature is generally warm.
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 Iwatsuki.
May is in the spring in Iwatsuki and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 14°C (56°F) is normal.
On average May is the 5th driest month of the year in Iwatsuki with around 127mm 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 6.3 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 177mm | 4.4hrs | 11hrs |
June in Iwatsuki is generally wet with the temperature being 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 Iwatsuki.
June is in the summer in Iwatsuki and is typically the 6th coldest 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 June is the 6th driest month of the year in Iwatsuki with around 177mm 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 4.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 131mm | 4.7hrs | 11.8hrs |
July in Iwatsuki is generally wet with the temperature being hot.
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 Iwatsuki.
July is in the summer in Iwatsuki 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 Iwatsuki with around 131mm 5.1 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 4.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 150mm | 6.1hrs | 12.8hrs |
The weather in August in Iwatsuki is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Iwatsuki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Iwatsuki 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 Iwatsuki with around 150mm 5.9 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 6.1 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 179mm | 4.1hrs | 13.9hrs |
Iwatsuki'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 a good time to visit Iwatsuki.
September is in the fall / autumn in Iwatsuki and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 19°C (67°F) is normal.
On average September is the 4th wettest month of the year in Iwatsuki with around 179mm 7 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.
Iwatsuki weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 147mm | 4.7hrs | 14.9hrs |
October is a wet month in Iwatsuki 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 Iwatsuki.
October is in the fall / autumn in Iwatsuki 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 Iwatsuki with around 147mm 5.8 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 4.7 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 76mm | 5.3hrs | 11hrs |
The weather in November in Iwatsuki is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit Iwatsuki, with some very good weather at this time of year.
November is in the fall / autumn in Iwatsuki 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 Iwatsuki with around 76mm 3 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 5.3 hours of sunshine per day.
Iwatsuki weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 39mm | 6.3hrs | 11.8hrs |
December in Iwatsuki is generally reasonably dry with the temperature being cool.
It is perhaps the perfect month to visit Iwatsuki, with some inordinately good weather at this time of year.
December is in the winter in Iwatsuki and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 1°C (35°F) is normal.
On average December is the wettest month of the year in Iwatsuki with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
Other monthly averages
Iwatsuki weather stats
| Hottest month: | August | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | January | 37mm 1.5ins |
| Sunniest month: | January | 6.6hrs |
| Coldest month: | January | 9.2°C 48.6°F |
| Wettest month: | September | 179mm 7ins |
| Warmest sea: | August | 26.3°C 79.3°F |
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