Riau Islands · Indonesia
Batam in December
In December, Batam averages a daytime high of 31 °C and a night-time low of 24 °C, with about 381 mm of rain over the month. Batam has no month that is both mild and dry by the measure used here.
- Average high
- 31 °C
- Average low
- 24 °C
- Rain in the month
- 381 mm
- Daylight on 15 Dec
- 12 h
- Comfortable month
- No
- Places to stay
- 138
When to go
How December compares with the rest of the year in Batam
December is tied for the coolest month in Batam by average daytime high; across the year the highs run from 31 °C to 32 °C and the lows from 23 °C to 25 °C. By day, December is 1 °C cooler than November, and January is about the same as December.
December brings 381 mm of rain, more than the monthly average of 217 mm (2601 mm a year); it is the wettest month.
On 15 December the sun is up for about 12 h, against 12 h at the shortest and 12 h 10 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 31 °C | 23 °C | 264 mm | |
| February | 31 °C | 24 °C | 142 mm | |
| March | 32 °C | 24 °C | 208 mm | |
| April | 32 °C | 24 °C | 203 mm | |
| May | 32 °C | 25 °C | 199 mm | |
| June | 32 °C | 25 °C | 175 mm | |
| July | 32 °C | 24 °C | 191 mm | |
| August | 32 °C | 24 °C | 183 mm | |
| September | 32 °C | 24 °C | 173 mm | |
| October | 32 °C | 24 °C | 206 mm | |
| November | 32 °C | 24 °C | 276 mm | |
| December | 31 °C | 24 °C | 381 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is December a good time to visit Batam?
Not by the measure used here: the average high of 31 °C is above 29 °C and about 381 mm of rain is 80 mm or more. No month in Batam meets it.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Indonesia in December
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Batam
This guide lists 138 places to stay in Batam, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 2; 1–3 km, 18; 3–10 km, 102; 10 km or more, 16.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.