Climate averages 1991–2020
Batam weather
in October.
A hot, very wet month: the joint 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Batam: daytime highs average 28.0°C and nights cool to about 25.6°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 190 mm of rain on roughly 24 days, which makes October a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average October day.
The nearest other city in this atlas is Ulu Bedok (23 km away). In October its highs average 28.6°C, 0.6°C warmer than Batam, with 190 mm of rain.
Among the 200 cities listed in Indonesia, Batam ranks joint 172nd of 200 for the warmest October highs and 119th of 200 for the driest October (rainfall, lowest first). The mean October high of those 200 cities is 30.1°C; Batam is 2.0°C cooler than that mean.
From October to November, average highs fall by 0.4°C to 27.6°C, and monthly rainfall rises from 190 mm to 290 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Batam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.2°C25.1°C | 25.1°C | 199 | 19.1 | 12.112 h |
| February | 27.7°C25.4°C | 25.4°C | 98 | 13.0 | 12.112 h |
| March | 28.2°C25.6°C | 25.6°C | 145 | 19.8 | 12.112 h |
| April | 28.5°C25.9°C | 25.9°C | 182 | 25.2 | 12.112 h |
| May | 28.5°C26.2°C | 26.2°C | 210 | 26.4 | 12.212 h |
| June | 28.5°C26.4°C | 26.4°C | 193 | 22.8 | 12.212 h |
| July | 28.1°C26.2°C | 26.2°C | 187 | 22.9 | 12.212 h |
| August | 28.0°C26.1°C | 26.1°C | 164 | 22.3 | 12.212 h |
| September | 28.1°C26.0°C | 26.0°C | 148 | 19.9 | 12.112 h |
| October, selected | 28.0°C25.6°C | 25.6°C | 190 | 23.8 | 12.112 h |
| November | 27.6°C25.3°C | 25.3°C | 290 | 27.8 | 12.112 h |
| December | 27.3°C25.2°C | 25.2°C | 298 | 24.8 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Ulu Bedok in OctoberSingapore · 23 kmHigh 28.6°C · Low 25.1°C · 190 mm rain
- Singapore in OctoberSingapore · 25 kmHigh 28.3°C · Low 25.4°C · 201 mm rain
- Pasir Gudang in OctoberMalaysia · 37 kmHigh 29.0°C · Low 24.5°C · 241 mm rain
- Jurong Town in OctoberSingapore · 39 kmHigh 28.6°C · Low 24.9°C · 201 mm rain
- Woodlands in OctoberSingapore · 41 kmHigh 28.6°C · Low 24.9°C · 242 mm rain
- Johor Bahru in OctoberMalaysia · 46 kmHigh 29.0°C · Low 24.3°C · 242 mm rain
- Iskandar Puteri in OctoberMalaysia · 52 kmHigh 28.6°C · Low 24.9°C · 205 mm rain
- Tanjung Pinang in OctoberIndonesia · 55 kmHigh 28.3°C · Low 25.5°C · 201 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Batam) is explained once on the Batam year overview and on the Sources, method and limits page.