Dumai in august: average Weather, Temperature and Climate
Weather in Dumai in august 2025
The weather in Dumai in the month of august comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 7
Weather at 6am
77°F
Moderate rain at times
34% of time
25%
16%
13%
Weather at 12pm
92°F
Moderate rain at times
35% of time
29%
15%
15%
Weather at 6pm
83°F
Moderate rain at times
29% of time
28%
25%
13%
Weather at 3am
77°F
48%
15%
15%
12%
Evolution of daily average temperature and precipitation in Dumai in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dumai in august.
The climate of Dumai in august is tolerable
The weather in august in Dumai is wet (with 8.7in of rainfall over 16 days). The weather is worst than the previous month since in july there is an average of 6.8in of precipitation over 12 days.
The climate is very warm in that area this month. The thermometer averaged maximum of 92°F. In the morning the temperature drops to 77°F. Thus, the mean temperature average on this month of august in Dumai is 85°F. Note that these seasonal averages are in contrast with those observed in Dumai in the month of august with a maximum record of 99°F in 2018 and a minimum record of 72°F in 2013. You You can hope to have 86°F or more throughout the month.
On average, in Dumai, the days of august last 12:11. Sunrise is at 06:13 and sunset is at 18:24.
Dumai: another month?
If you can push the dates of your trip to Dumai forward, the month of september has a better weather forecast than august. more information
August: another location on the island of Sumatra?
If you want to go to Sumatra in august, there are destinations with better weather than Dumai:
In august, Palembang, Banda Aceh, Bandar Lampung, Jambi City, Pulau Bangka and Pulau Belitung have good weather.
Seasonal average climate and temperature of Dumai in august
Check below seasonal norms These statistics are set from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 92°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 99°F (2018) | ||||
| Lowest record temperature | 72°F (2013) | ||||
| Number of days at +86°F | 29 day(s) (94%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 85°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 7km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.7in | ||||
| Number of days with rainfall | 16 day(s) (51%) | ||||
| Record daily rainfall | 1.8in (2014) | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.92km | ||||
| Cloud cover | 40% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:13 | ||||
| Time of sunset | 18:24 | ||||
| Length of day | 12:11 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Dumai in august 2024:
74°F to 83°F
74°F to 90°F
74°F to 90°F
74°F to 83°F
74°F to 92°F
72°F to 90°F
72°F to 86°F
74°F to 85°F
76°F to 88°F
74°F to 88°F
74°F to 85°F
74°F to 90°F
74°F to 90°F
74°F to 92°F
74°F to 92°F
74°F to 92°F
74°F to 86°F
74°F to 88°F
74°F to 90°F
74°F to 86°F
74°F to 79°F
74°F to 88°F
72°F to 86°F
72°F to 79°F
74°F to 90°F
74°F to 88°F
74°F to 86°F
72°F to 79°F
74°F to 90°F
74°F to 88°F
76°F to 92°F
Map: other cities on the island of Sumatra in august
Cities near Dumai:
| Pulau Rupat in august | tolerable weather |
| Pekanbaru in august | tolerable weather |
| Tesso Nilo National Park in august | tolerable weather |
| Payakumbuh in august | tolerable weather |
| Padangsidempuan in august | tolerable weather |
| Bukittinggi in august | tolerable weather |
| Kisaran in august | tolerable weather |
| Lac Maninjau in august | tolerable weather |
| Sungaiguntung in august | tolerable weather |
| Pariaman in august | tolerable weather |
| Batam in august | tolerable weather |
| Sibolga in august | tolerable weather |
Click over cities on the map for information about the weather in august.
Dumai
perfect weather
good
tolerable
bad
very bad
Weather data for Dumai in august:
Weather data for Dumai for august are derived from an average of the weather forecast since 2009 in Dumai. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dumai can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Dumai.