Climate averages 1991–2020
Batam weather
in January.
A warm, very wet month: the coolest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Batam: daytime highs average 27.2°C and nights cool to about 25.1°C. By daytime temperature it is the coolest month of the year.
Expect about 199 mm of rain on roughly 19 days, which makes January a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average January day.
The nearest other city in this atlas is Ulu Bedok (23 km away). In January its highs average 27.9°C, 0.7°C warmer than Batam, with 199 mm of rain.
Among the 200 cities listed in Indonesia, Batam ranks joint 167th of 200 for the warmest January highs and 13th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Batam is 1.0°C cooler than that mean.
From January to February, average highs rise by 0.5°C to 27.7°C, and monthly rainfall falls from 199 mm to 98 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Ulu Bedok in JanuarySingapore · 23 kmHigh 27.9°C · Low 24.3°C · 199 mm rain
- Singapore in JanuarySingapore · 25 kmHigh 27.7°C · Low 24.7°C · 161 mm rain
- Pasir Gudang in JanuaryMalaysia · 37 kmHigh 28.1°C · Low 23.9°C · 220 mm rain
- Jurong Town in JanuarySingapore · 39 kmHigh 28.0°C · Low 24.1°C · 161 mm rain
- Woodlands in JanuarySingapore · 41 kmHigh 28.0°C · Low 24.2°C · 201 mm rain
- Johor Bahru in JanuaryMalaysia · 46 kmHigh 28.3°C · Low 23.6°C · 201 mm rain
- Iskandar Puteri in JanuaryMalaysia · 52 kmHigh 28.1°C · Low 24.1°C · 176 mm rain
- Tanjung Pinang in JanuaryIndonesia · 55 kmHigh 27.2°C · Low 25.1°C · 217 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.