Climate averages 1991–2020
Batam weather
in April.
A hot, very wet month: one of the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Batam: daytime highs average 28.5°C and nights cool to about 25.9°C. By daytime temperature it is one of the warmest months of the year.
Expect about 182 mm of rain on roughly 25 days, which makes April a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average April day.
The nearest other city in this atlas is Ulu Bedok (23 km away). In April its highs average 29.1°C, 0.7°C warmer than Batam, with 182 mm of rain.
Among the 200 cities listed in Indonesia, Batam ranks joint 149th of 200 for the warmest April highs and 30th of 200 for the driest April (rainfall, lowest first). The mean April high of those 200 cities is 29.0°C; Batam is 0.5°C cooler than that mean.
From April to May, average highs rise by 0.1°C to 28.5°C, and monthly rainfall rises from 182 mm to 210 mm.
The annual picture
April 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, selected | 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
April in nearby cities
- Ulu Bedok in AprilSingapore · 23 kmHigh 29.1°C · Low 25.4°C · 182 mm rain
- Singapore in AprilSingapore · 25 kmHigh 28.8°C · Low 25.6°C · 191 mm rain
- Pasir Gudang in AprilMalaysia · 37 kmHigh 29.5°C · Low 24.7°C · 233 mm rain
- Jurong Town in AprilSingapore · 39 kmHigh 29.2°C · Low 25.1°C · 191 mm rain
- Woodlands in AprilSingapore · 41 kmHigh 29.2°C · Low 25.1°C · 242 mm rain
- Johor Bahru in AprilMalaysia · 46 kmHigh 29.6°C · Low 24.6°C · 242 mm rain
- Iskandar Puteri in AprilMalaysia · 52 kmHigh 29.2°C · Low 25.1°C · 220 mm rain
- Tanjung Pinang in AprilIndonesia · 55 kmHigh 28.7°C · Low 25.8°C · 193 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.