When is the best time to go to Dumai
The chart above shows the best time of year to visit Dumai, Indonesia. 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 Dumai
Dumai weather by month
Please note our recommendations for when to visit Dumai 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 |
|---|---|---|---|---|
| 29°C | 156mm | 6.3hrs | 12.8hrs | 28°C |
Hot, humid and wet weather often prevails in Dumai during the month of January
It is perhaps a good month to visit Dumai, with some surprisingly good weather at this time of year.
January is in the winter in Dumai and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (71°F) is normal.
On average January is the driest month of the year in Dumai with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 145mm | 7.2hrs | 12.8hrs | 29°C |
February in Dumai is generally wet with the temperature being hot.
It is perhaps the perfect month to visit Dumai, with some particularly good weather at this time of year.
February is in the winter in Dumai and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 22°C (72°F) is normal.
On average February is the 2nd driest month of the year in Dumai with around 145mm 5.7 inches of rain making it a wet 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 7.2 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 30°C | 186mm | 7.1hrs | 12.8hrs | 29°C |
The weather in March in Dumai is characteristically hot, humid and wet.
It is perhaps a good month to visit Dumai, with some inordinately good weather at this time of year.
March is in the spring in Dumai and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (73°F) is normal.
On average March is the 3rd driest month of the year in Dumai with around 186mm 7.3 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 7.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 213mm | 7.1hrs | 12.9hrs | 30°C |
Dumai's weather in April is typically hot, humid and very 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 Dumai.
April is in the spring in Dumai and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (73°F) is normal.
On average April is the 4th driest month of the year in Dumai with around 213mm 8.4 inches of rain making it a very wet 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 7.1 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 166mm | 7.4hrs | 12.9hrs | 30°C |
May is a wet, humid month in Dumai and the temperature is generally hot.
It is perhaps a good month to visit Dumai, with some surprisingly good weather at this time of year.
May is in the spring in Dumai and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (73°F) is normal.
On average May is the 5th driest month of the year in Dumai 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 7.4 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 165mm | 7.3hrs | 12.8hrs | 30°C |
June is a wet, humid month in Dumai and the temperature is generally hot.
It is perhaps the perfect month to visit Dumai, with some very good weather at this time of year.
June is in the summer in Dumai and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
On average June is the 6th driest month of the year in Dumai with around 165mm 6.5 inches of rain making it a wet 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 7.3 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 156mm | 7.2hrs | 12.8hrs | 30°C |
July in Dumai is generally wet with the temperature being hot.
It is perhaps the perfect month to visit Dumai, with some very good weather at this time of year.
July is in the summer in Dumai and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Dumai with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 181mm | 6.9hrs | 12.8hrs | 29°C |
The weather in August in Dumai is characteristically hot, humid and wet.
It is perhaps a good month to visit Dumai, with some extremely good weather at this time of year.
August is in the summer in Dumai and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (72°F) is normal.
On average August is the 5th wettest month of the year in Dumai with around 181mm 7.1 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 6.9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 218mm | 6.1hrs | 12.9hrs | 29°C |
Dumai's weather in September is typically hot, humid and very 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 Dumai.
September is in the fall / autumn in Dumai and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (72°F) is normal.
On average September is the 4th wettest month of the year in Dumai with around 218mm 8.6 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 6.1 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 233mm | 6.3hrs | 12.9hrs | 29°C |
October is a very wet, humid month in Dumai and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Dumai for your holidays. The weather is often not a good and not conducive to spending time outdoors.
October is in the fall / autumn in Dumai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
On average October is the 3rd wettest month of the year in Dumai with around 233mm 9.2 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 6.3 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 238mm | 6hrs | 12.8hrs | 29°C |
The climate in Dumai during November can be summarized as hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to Dumai for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Dumai and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (73°F) is normal.
On average November is the 2nd wettest month of the year in Dumai with around 238mm 9.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 204mm | 5.9hrs | 12.8hrs | 29°C |
December in Dumai is generally very wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Dumai for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Dumai and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
On average December is the wettest month of the year in Dumai with around 204mm 8 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 5.9 hours of sunshine per day.
Other monthly averages
Dumai weather stats
| Hottest month: | March | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | February | 145mm 5.7ins |
| Sunniest month: | May | 7.4hrs |
| Coldest month: | December | 31.1°C 88°F |
| Wettest month: | November | 238mm 9.4ins |
| Warmest sea: | May | 30.3°C 86.5°F |
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