Temperature
Warm by day, warm at night.
81°Ftypical December high
December climate
December in Batam
Indonesia · Southeast Asia
Humid air is the main limitation.
Wet but workable
Daytime high
81°F
Lows around 78°F
Rain
Rain most days
Sun
7.5 h/day
Air feel
Very humid
Sea temp
83°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 26 wet days, more than in most months.
84%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
7.7 hDecember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
81%December Heat feel
Humid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 84° and nights feel near 82°.
WarmHotNight hours
Clear sky
Overcast skies this month.
9%December Clear sky
Clear skyCloud
Wind pattern
December's typical breeze keeps the air from feeling as stagnant.
11 mphDecember Breezy
Sea temperature
83°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 80°F through the day and night.
Avg temp Typical range
Morning80°F
Feels 83°F
Rain56%
Cloud90%
Humid airVery high
Sun intensityModerate
Midday80°F
Feels 84°F
Rain51%
Cloud89%
Humid airVery high
Sun intensityStrong
Late afternoon80°F
Feels 84°F
Rain46%
Cloud87%
Humid airVery high
Sun intensityModerate
Early evening80°F
Feels 84°F
Rain49%
Cloud90%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 81 | 78 | 9.1 | 19 | 8.4 | 83 | 82 |
| Feb | 81 | 78 | 4.3 | 14 | 9.3 | 82 | 82 |
| Mar | 82 | 79 | 6.8 | 21 | 9.3 | 82 | 83 |
| Apr | 83 | 79 | 8.3 | 26 | 9.3 | 81 | 85 |
| May | 84 | 80 | 8.8 | 27 | 9.1 | 81 | 86 |
| Jun | 84 | 80 | 8.0 | 23 | 8.8 | 80 | 86 |
| Jul | 83 | 80 | 7.1 | 22 | 8.8 | 80 | 85 |
| Aug | 83 | 79 | 7.2 | 23 | 8.7 | 80 | 85 |
| Sep | 83 | 80 | 6.3 | 21 | 8.5 | 80 | 85 |
| Oct | 83 | 79 | 8.7 | 25 | 8.5 | 81 | 85 |
| Nov | 82 | 79 | 12.9 | 28 | 7.8 | 82 | 85 |
| Dec | 81 | 78 | 12.5 | 26 | 7.7 | 83 | 83 |
Similar climates
Similar
Similar travel styleCebu CityPhilippinesSimilar travel stylePenangMalaysiaSimilar travel styleColomboSri LankaSimilar travel styleAccraGhana
Want a side-by-side climate view? Compare Batam with Cebu City.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 27, 2026
Data & methodology