Malinau weather in December

In December, Malinau sees average daytime highs of 31°C and overnight lows near 22°C, with 308 mm of rain across 29.3 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Malinau's 12th-clearest and 9th-windiest month. For the whole year in context, see Malinau's year-round climate.

Daytime high: 31°; 10th warmest
Overnight low: 22°; 10th coldest
Rainfall: 308 mm; 29.3 wet days
Daylight: 11 h 48 min; 6:16 AM – 6:03 PM
Cloud cover: 88%; 12th clearest
Wind: 3 km/h; 9th windiest
Solar energy: 4.45 kWh/m²
Travel score: 2.5; out of 10

Malinau is capital of Malinau Regency, North Kalimantan Province, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Malinau year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Malinau reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	30	30
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	31	22
18	31	22
19	31	22
20	31	22
21	31	22
22	31	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	30	22
31	30	22

How December really feels in Malinau

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Malinau weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 22°	250	27.4	11.8	2.8
Feb	31° / 22°	220	24.7	11.9	2.7
Mar	31° / 22°	275	28.9	12	2.5
Apr	31° / 23°	282	28.5	12.1	2.4
May	31° / 23°	315	29.7	12.2	2.3
Jun	31° / 22°	267	27.6	12.2	2.5
Jul	31° / 22°	266	27.8	12.2	2.6
Aug	31° / 22°	274	28.1	12.1	2.5
Sep	31° / 22°	284	28.2	12	2.4
Oct	31° / 22°	304	29	11.9	2.4
Nov	31° / 22°	288	28.7	11.8	2.3
Dec	31° / 22°	308	29.3	11.8	2.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 90%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	11	11	11	11	11	11	11	11	12	12	12	12	11	11	11	11	10	10	9	9	8	8	8	7	6	6	6	6	8	8	8
Cloudier (%)	89	89	89	89	89	89	89	89	88	88	88	88	89	89	89	89	90	90	91	91	92	92	92	93	94	94	94	94	92	92	92

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	11	89
16	11	89
17	10	90
18	10	90
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	6	94
26	6	94
27	6	94
28	6	94
29	8	92
30	8	92
31	8	92

Chance of precipitation in December

Any precipitation

Malinau gets around 308 mm of rain over 29.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 96% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	95	95	95	95	95	95	94	94	94	94	94	95	95	95	95	95	96	96	96	96	96	96	95	95	95	94	94	93	93	92	92

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	94
8	94
9	94
10	94
11	94
12	95
13	95
14	95
15	95
16	95
17	96
18	96
19	96
20	96
21	96
22	96
23	95
24	95
25	95
26	94
27	94
28	93
29	93
30	92
31	92

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	2	2	2
Oppressive (%)	83	83	83	83	83	84	84	84	85	85	85	86	86	86	87	87	87	88	88	88	88	88	89	88	88	88	89	89	88	89	89
Miserable (%)	17	17	17	17	17	16	16	16	15	15	15	14	14	14	13	13	13	12	12	12	12	12	11	11	11	11	10	10	10	9	9

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	83	17
2	0	83	17
3	0	83	17
4	0	83	17
5	0	83	17
6	0	84	16
7	0	84	16
8	0	84	16
9	0	85	15
10	0	85	15
11	0	85	15
12	0	86	14
13	0	86	14
14	0	86	14
15	0	87	13
16	0	87	13
17	0	87	13
18	0	88	12
19	0	88	12
20	0	88	12
21	0	88	12
22	0	88	12
23	0	89	11
24	1	88	11
25	1	88	11
26	1	88	11
27	1	89	10
28	1	89	10
29	2	88	10
30	2	89	9
31	2	89	9

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm
31	3	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 min at the start of December to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:09 AM to 6:23 AM, and sunset from 5:57 PM to 6:11 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8
Sunrise (AM)	6:09	6:09	6:10	6:10	6:11	6:11	6:12	6:12	6:13	6:13	6:14	6:14	6:14	6:15	6:15	6:16	6:16	6:17	6:17	6:18	6:18	6:19	6:19	6:20	6:20	6:21	6:21	6:21	6:22	6:22	6:23
Sunset (PM)	5:57	5:58	5:58	5:59	5:59	5:59	6:00	6:00	6:00	6:01	6:01	6:02	6:02	6:03	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	6:09	5:57
2	11.8	6:09	5:58
3	11.8	6:10	5:58
4	11.8	6:10	5:59
5	11.8	6:11	5:59
6	11.8	6:11	5:59
7	11.8	6:12	6:00
8	11.8	6:12	6:00
9	11.8	6:13	6:00
10	11.8	6:13	6:01
11	11.8	6:14	6:01
12	11.8	6:14	6:02
13	11.8	6:14	6:02
14	11.8	6:15	6:03
15	11.8	6:15	6:03
16	11.8	6:16	6:03
17	11.8	6:16	6:04
18	11.8	6:17	6:04
19	11.8	6:17	6:05
20	11.8	6:18	6:05
21	11.8	6:18	6:06
22	11.8	6:19	6:06
23	11.8	6:19	6:07
24	11.8	6:20	6:07
25	11.8	6:20	6:08
26	11.8	6:21	6:08
27	11.8	6:21	6:09
28	11.8	6:21	6:09
29	11.8	6:22	6:10
30	11.8	6:22	6:10
31	11.8	6:23	6:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.45 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 5.34 kWh/m² in September across the year — December's 4.45 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.5	Bright
7	4.5	Bright
8	4.5	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.5	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.5	Bright
22	4.4	Bright
23	4.4	Bright
24	4.4	Bright
25	4.4	Bright
26	4.4	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright
31	4.5	Bright

Planning a trip in December

Hazard calendar for Malinau

In seasonPeak

In December, Malinau sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Malinau sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Malinau?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5

Sightseeing

4th-best month of the year

3.6

Beach & pool

10th-best month of the year

December is a weaker month for outdoor sightseeing in Malinau.

What to pack for Malinau in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Malinau sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Malinau in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Malinau peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 12 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	15	14	12	11	13	13	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	14	Extreme
Jun	12	Extreme
Jul	11	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Malinau?

Malinau sits at 3.6°N, 116.6°E, 5 m above sea level, in Indonesia. The nearest listed city is Tarakan, 112 km away.

Topography around Malinau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Malinau.

Within 3 km, the terrain around Malinau has only modest variations in elevation — a maximum elevation change of 91 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 555 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,829 m.

The land around Malinau is covered by trees (64%) within 3 km, trees (95%) within 16 km, and trees (96%) within 80 km.

3 km

91 m

trees 64%

16 km

555 m

trees 95%

80 km

1,829 m

trees 96%

treesgrasslandcroplandartificial surfaceswatermangroves

← November Malinau year-round climate January →Best places to visit in December

December weather nearby: Tarakan 112 km · Tanjung Selor 117 km · Nunukan 129 km · Tawau 158 km · Bandar Nabawan 163 km · Lawas 195 km · Keningau 201 km · Sipitang 204 km

Indonesia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $5,060; 2025
Happiness: 5.6 / 10; World Happiness, 2025
Safe drinking water: 30%; of population, 2024
Homicide rate: 0.3; per 100k, 2022
Road deaths: 11.3; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 471
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Malinau (3.5886°, 116.6239°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	31	22
18	31	22
19	31	22
20	31	22
21	31	22
22	31	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	11	89
16	11	89
17	10	90
18	10	90
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	6	94
26	6	94
27	6	94
28	6	94
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	94
8	94
9	94
10	94
11	94
12	95
13	95
14	95
15	95
16	95
17	96
18	96
19	96
20	96
21	96
22	96
23	95
24	95
25	95
26	94
27	94
28	93
29	93
30	92
31	92

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	83	17
2	0	83	17
3	0	83	17
4	0	83	17
5	0	83	17
6	0	84	16
7	0	84	16
8	0	84	16
9	0	85	15
10	0	85	15
11	0	85	15
12	0	86	14
13	0	86	14
14	0	86	14
15	0	87	13
16	0	87	13
17	0	87	13
18	0	88	12
19	0	88	12
20	0	88	12
21	0	88	12
22	0	88	12
23	0	89	11
24	1	88	11
25	1	88	11
26	1	88	11
27	1	89	10
28	1	89	10
29	2	88	10
30	2	89	9
31	2	89	9

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	31	22
18	31	22
19	31	22
20	31	22
21	31	22
22	31	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	11	89
16	11	89
17	10	90
18	10	90
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	6	94
26	6	94
27	6	94
28	6	94
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	94
8	94
9	94
10	94
11	94
12	95
13	95
14	95
15	95
16	95
17	96
18	96
19	96
20	96
21	96
22	96
23	95
24	95
25	95
26	94
27	94
28	93
29	93
30	92
31	92

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	83	17
2	0	83	17
3	0	83	17
4	0	83	17
5	0	83	17
6	0	84	16
7	0	84	16
8	0	84	16
9	0	85	15
10	0	85	15
11	0	85	15
12	0	86	14
13	0	86	14
14	0	86	14
15	0	87	13
16	0	87	13
17	0	87	13
18	0	88	12
19	0	88	12
20	0	88	12
21	0	88	12
22	0	88	12
23	0	89	11
24	1	88	11
25	1	88	11
26	1	88	11
27	1	89	10
28	1	89	10
29	2	88	10
30	2	89	9
31	2	89	9

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	31	22
18	31	22
19	31	22
20	31	22
21	31	22
22	31	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	12	88
10	12	88
11	12	88
12	12	88
13	11	89
14	11	89
15	11	89
16	11	89
17	10	90
18	10	90
19	9	91
20	9	91
21	8	92
22	8	92
23	8	92
24	7	93
25	6	94
26	6	94
27	6	94
28	6	94
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	94
8	94
9	94
10	94
11	94
12	95
13	95
14	95
15	95
16	95
17	96
18	96
19	96
20	96
21	96
22	96
23	95
24	95
25	95
26	94
27	94
28	93
29	93
30	92
31	92

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	83	17
2	0	83	17
3	0	83	17
4	0	83	17
5	0	83	17
6	0	84	16
7	0	84	16
8	0	84	16
9	0	85	15
10	0	85	15
11	0	85	15
12	0	86	14
13	0	86	14
14	0	86	14
15	0	87	13
16	0	87	13
17	0	87	13
18	0	88	12
19	0	88	12
20	0	88	12
21	0	88	12
22	0	88	12
23	0	89	11
24	1	88	11
25	1	88	11
26	1	88	11
27	1	89	10
28	1	89	10
29	2	88	10
30	2	89	9
31	2	89	9