Pematangsiantar Climate by Month
Pematangsiantar, North Sumatra, Indonesia
Hot all year, with rain spread through the year.
The climate in Pematangsiantar is hot all year, with rain spread through the year. March is the warmest month, with highs around 88°F (31°C); November is the coolest at 85°F (29°C), and nights dip to 69°F (20°C). About 122 in (3109 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 82% relative humidity.
- Warmest month
- 88°F(31°C)
- Average high, March
- Coldest nights
- 69°F(20°C)
- Average low, February
- Rain per year
- 122 in(3109 mm)
- No clear rainy season
- Humidity
- 82%
- Sunniest: March
Best and worst months in Pematangsiantar
Best for weatherThe most comfortable weather comes in February, July and August, with highs around 87°F (30°C) and about 8.3 in (211 mm) of rain a month.
Least pleasantOctober is the least pleasant month: it's the wettest, with 14 in (353 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Pematangsiantar weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 86°F(30°C) | 69°F(21°C) | 10 in(262 mm) | 84% | 3.8 |
| FebFebruaryBest | 87°F(30°C) | 69°F(20°C) | 8.0 in(202 mm) | 80% | 4.5 |
| MarMarch | 88°F(31°C) | 69°F(21°C) | 9.4 in(238 mm) | 81% | 4.7 |
| AprApril | 87°F(31°C) | 70°F(21°C) | 9.9 in(252 mm) | 81% | 4.5 |
| MayMay | 88°F(31°C) | 70°F(21°C) | 11 in(275 mm) | 80% | 4.4 |
| JunJune | 87°F(31°C) | 70°F(21°C) | 8.9 in(226 mm) | 81% | 4.3 |
| JulJulyBest | 87°F(31°C) | 69°F(21°C) | 7.8 in(199 mm) | 79% | 4.3 |
| AugAugustBest | 86°F(30°C) | 69°F(21°C) | 9.1 in(231 mm) | 81% | 4.3 |
| SepSeptember | 86°F(30°C) | 69°F(21°C) | 12 in(305 mm) | 81% | 4.3 |
| OctOctober | 85°F(30°C) | 69°F(21°C) | 14 in(353 mm) | 85% | 3.9 |
| NovNovember | 85°F(29°C) | 69°F(21°C) | 11 in(278 mm) | 85% | 3.6 |
| DecDecember | 85°F(29°C) | 69°F(21°C) | 11 in(288 mm) | 85% | 3.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Pematangsiantar →- 🇮🇩PadangsidempuanNorth Sumatra, Indonesia · Pop. 244k99%matchSame nighttime lowsSame daytime highsPematangsiantar vs Padangsidempuan →
- 🇮🇩BinjaiNorth Sumatra, Indonesia · Pop. 279k99%matchSame humiditySimilar rainfallPematangsiantar vs Binjai →
- 🇮🇩RantauprapatNorth Sumatra, Indonesia · Pop. 103k99%matchSame humiditySame sunshinePematangsiantar vs Rantauprapat →
- 🇮🇩SubulussalamAceh, Indonesia · Pop. 106k98%matchSame humiditySimilar rainfallPematangsiantar vs Subulussalam →
- 🇮🇩BengkayangWest Kalimantan, Indonesia · Pop. 33k98%matchSame daytime highsSimilar rainfallPematangsiantar vs Bengkayang →