Batam weather in December
December is one of the least pleasant months in Batam: highs of 28°C (83°F) and about 302 mm (11.9 in) of rain on average. Nights average 26°C (79°F) and cloud cover 88% (NASA POWER, 2001–2025 averages). The sea averages 29°C (85°F). It is the wettest month of the year and the 2nd coolest. Compared with November, it is about as warm and about as wet; January brings highs of 28°C (83°F) and 236 mm (9.3 in) of rain.
Is December a good time to visit Batam?
least pleasant month Weather score 32/100.
December is one of the least pleasant months for weather in Batam. For better conditions, consider Feb, Jun, Aug.
Does it rain a lot in Batam in December?
Yes, it is one of the rainy months: about 302 mm (11.9 in) falls in an average December. It is the wettest month of the year.
How warm is Batam in December?
Days average 28°C (83°F) and nights 26°C (79°F).
Batam weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 28°C (83°F) | 25°C (78°F) | 236 mm | 79% | 28°C (83°F) | fair |
| February | 29°C (84°F) | 25°C (78°F) | 108 mm | 72% | 29°C (83°F) | best |
| March | 29°C (85°F) | 26°C (79°F) | 177 mm | 69% | 29°C (85°F) | fair |
| April | 30°C (85°F) | 27°C (81°F) | 203 mm | 71% | 31°C (87°F) | fair |
| May | 30°C (86°F) | 28°C (82°F) | 202 mm | 72% | 31°C (88°F) | fair |
| June | 29°C (85°F) | 28°C (82°F) | 164 mm | 74% | 31°C (88°F) | best |
| July | 29°C (84°F) | 27°C (81°F) | 168 mm | 75% | 30°C (87°F) | fair |
| August | 29°C (84°F) | 27°C (80°F) | 166 mm | 74% | 30°C (86°F) | best |
| September | 29°C (84°F) | 27°C (80°F) | 165 mm | 79% | 30°C (86°F) | fair |
| October | 29°C (84°F) | 27°C (80°F) | 206 mm | 82% | 30°C (86°F) | fair |
| November | 29°C (83°F) | 27°C (80°F) | 294 mm | 85% | 31°C (87°F) | least pleasant |
| December | 28°C (83°F) | 26°C (79°F) | 302 mm | 88% | 29°C (85°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months