Pematangsiantar in august: average Weather, Temperature and Climate
Weather in Pematangsiantar in august 2025
The weather in Pematangsiantar in august comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
bad weather UV index: 7
Weather at 6am
72°F
Clear/Sunny
38% of time
29%
20%
9%
Weather at 12pm
88°F
Partly Cloudy
34% of time
30%
24%
11%
Weather at 6pm
76°F
Heavy rain
48% of time
25%
12%
10%
Weather at 3am
70°F
27%
25%
21%
19%
Evolution of daily average temperature and precipitation in Pematangsiantar in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Pematangsiantar in august.
The climate of Pematangsiantar in august is bad
The weather in august in Pematangsiantar is wet (with 13in of rainfall over 21 days). The weather's not getting better compared to the previous month since in july there is an average of 11.5in of rainfall over 18 days.
The climate enjoyable here the month of august. The thermometer averaged maximum of 88°F. The seasonal minimum is 72°F. Thus, the mean temperature average in august in Pematangsiantar is 79°F. Note that seasonal normals in contrast with those observed in Pematangsiantar in the month of august with a maximum record of 99°F in 2018 and a minimum record of 65°F in 2009. You can expect to have about 20 days with temperatures up to 86°F, or 65 of time.
On average, in Pematangsiantar, the days of august last 12:12. The sun rises at 06:22 and sunset is at 18:34.
August: another location on the island of Sumatra?
If you want to go to Sumatra in august, there are destinations with better weather than Pematangsiantar:
In august, Palembang, Banda Aceh, Bandar Lampung, Jambi City, Pulau Bangka and Pulau Belitung have good weather.
Finally, Medan, Bengkulu, Bukittinggi, Dumai, Gunungsitoli (Pulau Nias) and Padang City have a tolerable climate, but better than Pematangsiantar.
Seasonal average climate and temperature of Pematangsiantar in august
Check below seasonal norms These datas are compiled from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 99°F (2018) | ||||
| Lowest record temperature | 65°F (2009) | ||||
| Number of days at +86°F | 20 day(s) (65%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 7km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 13in | ||||
| Number of days with rainfall | 21 day(s) (67%) | ||||
| Record daily rainfall | 2.3in (2019) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 8.34km | ||||
| Cloud cover | 37% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:22 | ||||
| Time of sunset | 18:34 | ||||
| Length of day | 12:12 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last august?
Here is the day by day recorded weather in Pematangsiantar in august 2024:
67°F to 74°F
68°F to 83°F
68°F to 85°F
67°F to 79°F
68°F to 85°F
68°F to 81°F
67°F to 83°F
68°F to 83°F
67°F to 83°F
68°F to 79°F
67°F to 79°F
67°F to 81°F
67°F to 86°F
68°F to 85°F
68°F to 83°F
68°F to 85°F
68°F to 81°F
68°F to 81°F
68°F to 83°F
68°F to 76°F
68°F to 76°F
70°F to 77°F
67°F to 77°F
67°F to 72°F
67°F to 83°F
68°F to 77°F
67°F to 81°F
68°F to 81°F
67°F to 90°F
68°F to 85°F
70°F to 81°F
Map: other cities on the island of Sumatra in august
Cities near Pematangsiantar:
| Parapat in august | bad weather |
| Tebingtinggi in august | tolerable weather |
| Samosir in august | bad weather |
| Lake Toba (Danau Toba) in august | very bad weather |
| Kisaran in august | tolerable weather |
| Berastagi in august | very bad weather |
| Medan in august | tolerable weather |
| Bukit Lawang in august | tolerable weather |
| Sibolga in august | tolerable weather |
| Padangsidempuan in august | tolerable weather |
| Langsa in august | tolerable weather |
| Tapaktuan in august | very bad weather |
Click over cities on the map for information about the weather in august.
Pematangsiantar
perfect weather
good
tolerable
bad
very bad
Weather data for Pematangsiantar in august:
Weather data for Pematangsiantar for august are derived from an average of the weather forecast since 2009 in Pematangsiantar. There is a margin of error and these forecasts are to be considered as general information only. The weather in Pematangsiantar 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 Pematangsiantar.