Town in North Sumatra, Indonesia
Bukit Lawang weather by month and the best time to visit
When to go to Bukit Lawang
Mar–Aug is the drier stretch for trekking. Rain falls year-round and heavy Oct–Jan rain brings flash floods and leech-heavy trails; orangutan sightings are possible all year.
Bukit Lawang weather by month
Average daily high, rainfall and conditions.
- Jan28°142 mm
- Feb29°102 mm
- Mar29°137 mm
- Apr30°140 mm
- May29°207 mm
- Jun29°145 mm
- Jul28°176 mm
- Aug29°201 mm
- Sep28°268 mm
- Oct28°318 mm
- Nov28°238 mm
- Dec28°257 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 28°C83°F | 22°C72°F | 142 mm | 90% | Pleasant |
| February | 29°C84°F | 22°C72°F | 102 mm | 88% | Pleasant |
| March | 29°C85°F | 22°C72°F | 137 mm | 88% | Pleasant |
| April | 30°C85°F | 23°C73°F | 140 mm | 89% | Pleasant |
| May | 29°C85°F | 23°C74°F | 207 mm | 90% | Rainy |
| June | 29°C83°F | 23°C73°F | 145 mm | 90% | Pleasant |
| July | 28°C83°F | 22°C72°F | 176 mm | 90% | Rainy |
| August | 29°C83°F | 22°C72°F | 201 mm | 89% | Rainy |
| September | 28°C83°F | 22°C72°F | 268 mm | 90% | Rainy |
| October | 28°C83°F | 22°C72°F | 318 mm | 90% | Very wet |
| November | 28°C83°F | 22°C72°F | 238 mm | 91% | Rainy |
| December | 28°C82°F | 22°C72°F | 257 mm | 91% | Rainy |
Best months across Indonesia
| Place | Best months | Warmest month |
|---|---|---|
| Bali | May–Sep | Nov (31°C) |
| Ubud | May–Sep | Nov (30°C) |
| Canggu | May–Sep | Nov (31°C) |
| Jakarta | Jun–Sep | Oct (30°C) |
| Seminyak | May–Sep | Nov (31°C) |
| Uluwatu | May–Sep | Apr (28°C) |
| Yogyakarta | May–Sep | Oct (30°C) |
| Gili Islands | May–Oct | Oct (32°C) |
| Nusa Penida | May–Sep | Oct (30°C) |
| Kuta | May–Sep | Nov (31°C) |
| Lombok | May–Sep | Oct (32°C) |
| Labuan Bajo | Apr–Oct | Oct (32°C) |
| Nusa Dua | May–Sep | Apr (29°C) |
| Sanur | May–Sep | Nov (31°C) |
| Raja Ampat | Oct–Apr | Nov (29°C) |
| Mount Bromo | May–Sep | Oct (27°C) |
| Bandung | May–Sep | Oct (28°C) |
| Nusa Lembongan | May–Oct | Oct (30°C) |
| Lake Toba | May–Sep | Apr (26°C) |
| Kuta Lombok | May–Oct | Nov (30°C) |
| Amed | May–Oct | Oct (30°C) |
| Batam | May–Sep | May (30°C) |
| Bintan | May–Sep | May (29°C) |
| Malang | May–Sep | Oct (32°C) |
| Bukit Lawang | Mar–Aug | Apr (30°C) |
| Medan | Feb–Mar, Jun–Aug | May (30°C) |
| Surabaya | May–Oct | Oct (36°C) |
| Manado | May–Oct | Oct (30°C) |
| Tana Toraja | Jun–Sep | Oct (26°C) |
| Jimbaran | May–Sep | Apr (28°C) |
Quick answers
What is the best month to visit Bukit Lawang?
Mar–Aug. Mar–Aug is the drier stretch for trekking. Rain falls year-round and heavy Oct–Jan rain brings flash floods and leech-heavy trails; orangutan sightings are possible all year.
When is the rainy season in Bukit Lawang?
Rain peaks in October with about 318 mm. Months with 150 mm or more: May, Jul–Dec.
What is the hottest month in Bukit Lawang?
April, with average highs of 30°C (85°F).
How cold does Bukit Lawang get?
The coolest nights are in January, averaging 22°C (72°F).
More about Bukit Lawang
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 2.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.