Kota Sambas weather in December

In December, Kota Sambas sees average daytime highs of 30°C and overnight lows near 23°C, with 404 mm of rain across 28.4 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of December to 11 h 54 min by month's end. Set against the rest of the year, December is Kota Sambas's 12th-clearest and 4th-windiest month. For the whole year in context, see Kota Sambas's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
8th coldest
Rainfall
404 mm
28.4 wet days
Daylight
11 h 54 min
5:41 AM – 5:37 PM
Cloud cover
93%
12th clearest
Wind
5 km/h
4th windiest
Solar energy
4.03 kWh/m²
Travel score
2.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Kota Sambas reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Kota Sambas

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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Kota Sambas weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°31526.711.93.0
Feb30° / 23°21522.5123.1
Mar31° / 23°22924.5122.9
Apr31° / 24°25626.9122.5
May32° / 24°23825.612.12.6
Jun31° / 24°18620.412.13.1
Jul31° / 23°17219.312.13.2
Aug32° / 23°16919.9123.1
Sep31° / 23°21322.6122.9
Oct31° / 23°31928.4122.6
Nov30° / 23°38929.311.92.5
Dec30° / 23°40428.411.92.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6397
7397
8397
9298
10298
11298
12298
13298
14298
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28298
29298
30397
31397

Chance of precipitation in December

Any precipitation

Kota Sambas gets around 404 mm of rain over 28.4 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
394
494
593
692
792
892
991
1091
1191
1291
1391
1491
1591
1692
1792
1892
1992
2092
2192
2293
2392
2492
2592
2692
2792
2892
2992
3092
3191

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12872
22971
33070
43169
53169
63268
73268
83367
93367
103466
113466
123565
133664
143763
153862
163961
174060
184060
194159
204258
214357
224456
234555
244654
254654
264753
274753
284753
294753
304753
314852

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 54 min at the start of December to 11 h 54 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 5:35 AM to 5:48 AM, and sunset from 5:30 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:355:30
211.95:355:31
311.95:365:31
411.95:365:31
511.95:365:32
611.95:375:32
711.95:375:33
811.95:385:33
911.95:385:34
1011.95:395:34
1111.95:395:34
1211.95:395:35
1311.95:405:35
1411.95:405:36
1511.95:415:36
1611.95:415:37
1711.95:425:37
1811.95:425:38
1911.95:435:38
2011.95:435:38
2111.95:445:39
2211.95:445:39
2311.95:455:40
2411.95:455:40
2511.95:465:41
2611.95:465:41
2711.95:465:42
2811.95:475:42
2911.95:475:43
3011.95:485:43
3111.95:485:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.03 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 5.22 kWh/m² in August across the year — December's 4.03 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
314.1Bright
Planning a trip in December

Is December a good time to visit Kota Sambas?

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

2.8
Sightseeing
8th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Kota Sambas.

What to pack for Kota Sambas in December

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

In December, Kota Sambas sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Kota Sambas in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in June at about 30°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Kota Sambas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kota Sambas peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 15Jul 13UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Kota Sambas in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Kota Sambas is worst in September — around 39 µg/m³ PM2.5 (poor), about 4.1× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 938 µg/m³Jan 129 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr13Moderate
May15Moderate
Jun13Moderate
Jul18Moderate
Aug38Poor
Sep39Poor
Oct21Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Kota Sambas?

Kota Sambas sits at 1.4°N, 109.3°E, 15 m above sea level, in Indonesia. The nearest listed city is Pemangkat, 43 km away.

Topography around Kota Sambas

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

Within 3 km, the terrain around Kota Sambas has only modest variations in elevation — a maximum elevation change of 23 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Kota Sambas is covered by trees (71%) within 3 km, trees (88%) within 16 km, and trees (62%) and water (33%) within 80 km.

3 km
23 m
16 km
121 m
80 km
1,559 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Pemangkat 43 km · Bengkayang 61 km · Singkawang 61 km · Lundu 70 km · Sungai Raya 86 km · Bau 95 km · Kuching 117 km · Siburan 122 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
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Kota Sambas (1.3626°, 109.3009°, elevation 15 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).