Bima weather in December

In December, Bima sees average daytime highs of 30°C and overnight lows near 25°C, with 359 mm of rain across 27.4 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 3rd-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 5% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Bima's 10th-clearest and 9th-windiest month. For the whole year in context, see Bima's year-round climate.

Daytime high
30°
4th warmest
Overnight low
25°
11th coldest
Rainfall
359 mm
27.4 wet days
Daylight
12 h 30 min
5:47 AM – 6:16 PM
Cloud cover
86%
10th clearest
Wind
6 km/h
9th windiest
Solar energy
5.77 kWh/m²
Travel score
2.9
out of 10

Bima is city in West Nusa Tenggara Province, Indonesia.

Density
743/km²
people per km²
Founded
2002

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

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 Bima reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How December really feels in Bima

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.

Bima weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°39928.712.42.9
Feb29° / 24°35926.112.32.9
Mar30° / 24°3142612.13.2
Apr30° / 24°17419.111.83.9
May30° / 24°588.511.65.3
Jun29° / 23°295.711.55.9
Jul29° / 22°19311.66.4
Aug30° / 22°41.311.76.3
Sep31° / 23°131.8125.6
Oct32° / 24°396.312.24.6
Nov32° / 25°15815.912.43.6
Dec30° / 25°35927.412.52.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22080
31981
41882
51783
61684
71684
81585
91387
101387
111387
121387
131288
141189
151189
161189
171189
181189
191189
201189
211189
221189
231090
241090
25991
26991
27991
28991
29991
30991
311090

Chance of precipitation in December

Any precipitation

Bima gets around 359 mm of rain over 27.4 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
180
282
383
484
585
686
787
887
988
1088
1189
1289
1389
1489
1589
1689
1789
1889
1989
2089
2189
2288
2388
2488
2588
2688
2788
2888
2988
3088
3189

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15446
25248
35149
44951
54852
64753
74654
84555
94555
104456
114456
124456
134555
144555
154654
164654
174654
184654
194654
204753
214753
224753
234753
244753
254753
264753
274753
284753
294753
304753
314753

Wind in December

Winds average 6 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
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 5:41 AM to 5:54 AM, and sunset from 6:09 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:416:09
212.55:416:09
312.55:426:10
412.55:426:10
512.55:426:11
612.55:436:11
712.55:436:11
812.55:436:12
912.55:446:12
1012.55:446:13
1112.55:446:13
1212.55:456:14
1312.55:456:14
1412.55:466:15
1512.55:466:15
1612.55:476:16
1712.55:476:16
1812.55:476:17
1912.55:486:17
2012.55:486:18
2112.55:496:18
2212.55:496:19
2312.55:506:19
2412.55:506:20
2512.55:516:20
2612.55:516:21
2712.55:526:21
2812.55:526:22
2912.55:536:22
3012.55:536:22
3112.55:546:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.77 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.21 kWh/m² in October across the year — December's 5.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Bima

In seasonPeak

In December, Bima sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Bima sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Bima's monsoon runs December–March, when most of the year's rain falls.

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

Is December a good time to visit Bima?

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

2.9
Sightseeing
10th-best month of the year
4.1
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bima.

What to pack for Bima in December

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

In December, Bima sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Bima 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 39 km away) is warmest in November at about 30°C and coldest in August 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
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug28Warm
Sep28Warm
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Bima in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bima peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Bima 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 Bima is worst in October — around 27 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (February, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateOct 1726 µg/m³Feb 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb9Good
Mar9Good
Apr12Good
May14Moderate
Jun13Moderate
Jul12Good
Aug14Moderate
Sep21Moderate
Oct27Moderate
Nov21Moderate
Dec12Moderate
Location & terrain

Where is Bima?

Bima sits at 8.5°S, 118.7°E, 15 m above sea level, in Indonesia. The nearest listed city is Dompu, 30 km away.

Topography around Bima

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

Within 3 km, the terrain around Bima has significant variations in elevation — a maximum elevation change of 347 m around an average of 31 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,078 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,274 m.

The land around Bima is covered by water (31%), trees (25%) and artificial surfaces (22%) within 3 km, trees (36%) and grassland (30%) within 16 km, and water (67%) within 80 km.

3 km
347 m
16 km
1,078 m
80 km
2,274 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Dompu 30 km · Tambolaka 121 km · Labuan Bajo 128 km · Sumbawa Besar 144 km · Ruteng 192 km · Taliwang 208 km · Waingapu 215 km · Selong 242 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 Bima (-8.4601°, 118.7267°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).