




Batam
Batam is a major city in Riau, Indonesia, close to the sea. It has a population of about 1,196,396 (2020). The climate is classified as tropical rainforest (Köppen Af), with .
Best: Jan–Mar. Warmth, sunshine and dry days, month by month.
Batam at a glance
The months with the highest weather score
Average high in May
Average low in January
275 mm of rain
113 mm of rain
May
How Batam has grown
People living in the built-up area (186 km² today), every five years since 1975; 2030 is the projection.
+1526%87k in 1975 → 1.41M in 2025Weather in Batam
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Partly cloudy · wind 11 km/h · humidity 76%
When to go to Batam
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 46 | 49 | 47 | 44 | 43 | 45 | 46 | 45 | 44 | 42 | 40 | 42 |
| High | 27° | 27° | 28° | 28° | 29° | 29° | 28° | 28° | 28° | 28° | 28° | 27° |
| Low | 25° | 26° | 26° | 26° | 27° | 27° | 26° | 26° | 26° | 26° | 26° | 26° |
| Rain (mm) | 262 | 113 | 198 | 201 | 214 | 170 | 184 | 179 | 195 | 202 | 275 | 350 |
| Wet days | 22 | 14 | 21 | 27 | 28 | 24 | 26 | 25 | 24 | 28 | 30 | 28 |
| Sea | 28° | 28° | 29° | 30° | 30° | 30° | 29° | 29° | 29° | 29° | 29° | 28° |
What's on in Batam
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Batam
Outdoors around Batam
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Batam
Wildlife in October
The birds and mammals of Indonesia seen most this month, compared with the rest of their year.
The sky over Batam
Tropical storms · Batam
Universities and research institutes
Batam from above
Postal codes
Getting to Batam
Places near Batam
Places with a climate like Batam
Matched month by month on temperature, rain and sunshine.