Dumai Climate by Month
Dumai, Riau, Indonesia
Hot all year, with rain spread through the year.
Dumai is hot all year, with rain spread through the year. June is the warmest month, with highs around 90°F (32°C); November is the coolest at 88°F (31°C), and nights dip to 74°F (23°C). About 122 in (3102 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 81% relative humidity.
- Warmest month
- 90°F(32°C)
- Average high, June
- Coldest nights
- 74°F(23°C)
- Average low, July
- Rain per year
- 122 in(3102 mm)
- No clear rainy season
- Humidity
- 81%
- Sunniest: March
Best and worst months in Dumai
Best for weatherFebruary, July and August are the best time for weather in Dumai: highs near 89°F (32°C) and about 7.5 in (192 mm) of rain a month.
Least pleasantOctober and November are the least pleasant; November is the wettest, with 15 in (375 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 February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Dumai weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 88°F(31°C) | 74°F(23°C) | 11 in(273 mm) | 83% | 4.1 |
| FebFebruaryBest | 90°F(32°C) | 74°F(23°C) | 6.9 in(175 mm) | 78% | 4.7 |
| MarMarch | 90°F(32°C) | 74°F(23°C) | 9.4 in(239 mm) | 80% | 4.8 |
| AprApril | 90°F(32°C) | 74°F(24°C) | 11 in(277 mm) | 82% | 4.7 |
| MayMay | 90°F(32°C) | 75°F(24°C) | 8.7 in(220 mm) | 82% | 4.5 |
| JunJune | 90°F(32°C) | 74°F(24°C) | 8.4 in(214 mm) | 79% | 4.2 |
| JulJulyBest | 89°F(32°C) | 74°F(23°C) | 7.6 in(194 mm) | 79% | 4.2 |
| AugAugustBest | 89°F(32°C) | 74°F(23°C) | 8.1 in(206 mm) | 79% | 4.3 |
| SepSeptember | 89°F(31°C) | 74°F(23°C) | 10 in(266 mm) | 80% | 4.1 |
| OctOctober | 88°F(31°C) | 74°F(23°C) | 13 in(330 mm) | 83% | 4.0 |
| NovNovember | 88°F(31°C) | 74°F(23°C) | 15 in(375 mm) | 83% | 3.4 |
| DecDecember | 88°F(31°C) | 74°F(24°C) | 13 in(333 mm) | 83% | 3.5 |
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 Dumai →- 🇲🇾Kampung Baru SubangSelangor, Malaysia · Pop. 834k99%matchSame daytime highsSame nighttime lowsDumai vs Kampung Baru Subang →
- 🇲🇾Kuala Kubu BaharuSelangor, Malaysia · Pop. 194k99%matchSame daytime highsSame nighttime lowsDumai vs Kuala Kubu Baharu →
- 🇮🇩RantauprapatNorth Sumatra, Indonesia · Pop. 103k99%matchSame daytime highsSame nighttime lowsDumai vs Rantauprapat →
- 🇲🇾Teluk IntanPerak, Malaysia · Pop. 233k99%matchSame daytime highsSame nighttime lowsDumai vs Teluk Intan →
- 🇮🇩PekanbaruRiau, Indonesia · Pop. 1.2M99%matchSame nighttime lowsSame daytime highsDumai vs Pekanbaru →