Selong weather in December

In December, Selong sees average daytime highs of 30°C and overnight lows near 25°C, with 313 mm of rain across 27.6 wet days and about 12.5 hours of daylight. It is the 3rd-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 4% 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 Selong's 10th-clearest and 8th-windiest month. For the whole year in context, see Selong's year-round climate.

Daytime high: 30°; 3rd warmest
Overnight low: 25°; 12th coldest
Rainfall: 313 mm; 27.6 wet days
Daylight: 12 h 30 min; 5:55 AM – 6:25 PM
Cloud cover: 86%; 10th clearest
Wind: 7 km/h; 8th windiest
Solar energy: 5.65 kWh/m²
Travel score: 2.8; out of 10

← November Selong 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 30°C through the month.

A typical December day in Selong reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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)	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25

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

How December really feels in Selong

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.

Selong weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 25°	375	28.2	12.4	2.8
Feb	30° / 24°	342	25.5	12.3	2.8
Mar	30° / 24°	305	25.9	12.1	3.0
Apr	30° / 24°	161	18.9	11.8	3.8
May	30° / 24°	52	9.4	11.6	5.1
Jun	30° / 23°	24	5.3	11.5	5.9
Jul	29° / 22°	15	3.8	11.5	6.5
Aug	29° / 22°	8	2.8	11.7	6.6
Sep	29° / 23°	18	5.3	11.9	6.0
Oct	30° / 24°	51	11.2	12.2	4.9
Nov	31° / 25°	158	20.1	12.4	3.6
Dec	30° / 25°	313	27.6	12.5	2.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 88%.

	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 (%)	21	19	19	18	17	16	16	16	14	13	13	12	12	12	11	10	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10
Cloudier (%)	79	81	81	82	83	84	84	84	86	87	87	88	88	88	89	90	91	91	91	91	91	91	91	91	91	91	91	91	90	90	90

	Clearer (%)	Cloudier (%)
1	21	79
2	19	81
3	19	81
4	18	82
5	17	83
6	16	84
7	16	84
8	16	84
9	14	86
10	13	87
11	13	87
12	12	88
13	12	88
14	12	88
15	11	89
16	10	90
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	9	91
24	9	91
25	9	91
26	9	91
27	9	91
28	9	91
29	10	90
30	10	90
31	10	90

Chance of precipitation in December

Any precipitation

Selong gets around 313 mm of rain over 27.6 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 89% and peaks near 91% 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 (%)	83	85	86	87	88	89	89	90	90	91	91	91	91	91	90	90	90	89	89	89	88	88	88	88	88	88	89	89	89	90	90

	Rain chance (%)
1	83
2	85
3	86
4	87
5	88
6	89
7	89
8	90
9	90
10	91
11	91
12	91
13	91
14	91
15	90
16	90
17	90
18	89
19	89
20	89
21	88
22	88
23	88
24	88
25	88
26	88
27	89
28	89
29	89
30	90
31	90

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 52% 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
Oppressive (%)	48	47	46	45	44	43	42	42	42	42	42	43	43	44	45	47	48	49	50	51	52	53	53	54	54	54	54	53	53	53	53
Miserable (%)	52	53	54	55	56	57	58	58	58	58	58	57	57	56	55	53	52	51	50	49	48	47	47	46	46	46	46	47	47	47	47

	Oppressive (%)	Miserable (%)
1	48	52
2	47	53
3	46	54
4	45	55
5	44	56
6	43	57
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	45	55
16	47	53
17	48	52
18	49	51
19	50	50
20	51	49
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	54	46
27	54	46
28	53	47
29	53	47
30	53	47
31	53	47

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 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)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
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	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

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 5:50 AM to 6:02 AM, and sunset from 6:18 PM to 6:32 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)	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
Sunrise (AM)	5:50	5:50	5:50	5:50	5:51	5:51	5:51	5:52	5:52	5:53	5:53	5:53	5:54	5:54	5:55	5:55	5:55	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59	6:00	6:00	6:01	6:01	6:02	6:02
Sunset (PM)	6:18	6:18	6:19	6:19	6:20	6:20	6:21	6:21	6:22	6:22	6:23	6:23	6:24	6:24	6:25	6:25	6:26	6:26	6:27	6:27	6:27	6:28	6:28	6:29	6:29	6:30	6:30	6:31	6:31	6:32	6:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	5:50	6:18
2	12.5	5:50	6:18
3	12.5	5:50	6:19
4	12.5	5:50	6:19
5	12.5	5:51	6:20
6	12.5	5:51	6:20
7	12.5	5:51	6:21
8	12.5	5:52	6:21
9	12.5	5:52	6:22
10	12.5	5:53	6:22
11	12.5	5:53	6:23
12	12.5	5:53	6:23
13	12.5	5:54	6:24
14	12.5	5:54	6:24
15	12.5	5:55	6:25
16	12.5	5:55	6:25
17	12.5	5:55	6:26
18	12.5	5:56	6:26
19	12.5	5:56	6:27
20	12.5	5:57	6:27
21	12.5	5:57	6:27
22	12.5	5:58	6:28
23	12.5	5:58	6:28
24	12.5	5:59	6:29
25	12.5	5:59	6:29
26	12.5	6:00	6:30
27	12.5	6:00	6:30
28	12.5	6:01	6:31
29	12.5	6:01	6:31
30	12.5	6:02	6:32
31	12.5	6:02	6:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.65 kWh/m².

For context, solar energy here swings from a low near 5.27 kWh/m² to a high of 6.9 kWh/m² in October across the year — December's 5.65 kWh/m² falls in the middle.

	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)	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7
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	5.9	Bright
2	5.9	Bright
3	5.9	Bright
4	5.8	Bright
5	5.8	Bright
6	5.8	Bright
7	5.8	Bright
8	5.8	Bright
9	5.7	Bright
10	5.7	Bright
11	5.7	Bright
12	5.7	Bright
13	5.7	Bright
14	5.7	Bright
15	5.7	Bright
16	5.7	Bright
17	5.7	Bright
18	5.7	Bright
19	5.7	Bright
20	5.7	Bright
21	5.7	Bright
22	5.7	Bright
23	5.7	Bright
24	5.7	Bright
25	5.7	Bright
26	5.7	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright
31	5.7	Bright

Planning a trip in December

Hazard calendar for Selong

In seasonPeak

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

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

Selong'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 Selong?

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

2.8

Sightseeing

10th-best month of the year

4.0

Beach & pool

10th-best month of the year

December is a weaker month for outdoor sightseeing in Selong.

What to pack for Selong in December

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

In December, Selong sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Selong 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 offshore is warmest in December at about 29°C and coldest in August near 26°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	29	29	29	29	28	28	27	26	27	27	29	29
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Tropical	Tropical

	Sea temperature (°C)	Comfort
Jan	29	Tropical
Feb	29	Tropical
Mar	29	Tropical
Apr	29	Tropical
May	28	Tropical
Jun	28	Warm
Jul	27	Warm
Aug	26	Warm
Sep	27	Warm
Oct	27	Warm
Nov	29	Tropical
Dec	29	Tropical

UV index in Selong 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 Selong peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

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)	14	14	15	13	11	9	10	12	13	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	9	Very high
Jul	10	Very high
Aug	12	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Selong?

Selong sits at 8.7°S, 116.5°E, 156 m above sea level, in Indonesia. The nearest listed city is Praya, 29 km away.

Topography around Selong

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

Within 3 km, the terrain around Selong has only modest variations in elevation — a maximum elevation change of 141 m around an average of 144 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 741 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,756 m.

The land around Selong is covered by trees (66%) and artificial surfaces (23%) within 3 km, trees (42%), water (25%) and cropland (22%) within 16 km, and water (59%) and trees (31%) within 80 km.

3 km

141 m

trees 66%

16 km

741 m

trees 42%

80 km

3,756 m

water 59%

treesgrasslandcroplandartificial surfaceswater

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

December weather nearby: Praya 29 km · Taliwang 37 km · Lombok 46 km · Gili Trawangan 64 km · Sumbawa Besar 99 km · Amlapura 103 km · Amlapura city 104 km · Bedugul 106 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 Selong (-8.6503°, 116.5318°, elevation 156 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. 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	30	25
2	30	25
3	30	25
4	30	25
5	30	25
6	30	25
7	30	25
8	30	25
9	30	25
10	30	25
11	30	25
12	30	25
13	30	25
14	30	25
15	30	25
16	30	25
17	30	25
18	30	25
19	30	25
20	30	25
21	30	25
22	30	25
23	30	25
24	30	25
25	30	25
26	30	25
27	30	25
28	30	25
29	30	25
30	30	25
31	30	25

	Clearer (%)	Cloudier (%)
1	21	79
2	19	81
3	19	81
4	18	82
5	17	83
6	16	84
7	16	84
8	16	84
9	14	86
10	13	87
11	13	87
12	12	88
13	12	88
14	12	88
15	11	89
16	10	90
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	9	91
24	9	91
25	9	91
26	9	91
27	9	91
28	9	91
29	10	90
30	10	90
31	10	90

	Rain chance (%)
1	83
2	85
3	86
4	87
5	88
6	89
7	89
8	90
9	90
10	91
11	91
12	91
13	91
14	91
15	90
16	90
17	90
18	89
19	89
20	89
21	88
22	88
23	88
24	88
25	88
26	88
27	89
28	89
29	89
30	90
31	90

	Oppressive (%)	Miserable (%)
1	48	52
2	47	53
3	46	54
4	45	55
5	44	56
6	43	57
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	45	55
16	47	53
17	48	52
18	49	51
19	50	50
20	51	49
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	54	46
27	54	46
28	53	47
29	53	47
30	53	47
31	53	47

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

	Clearer (%)	Cloudier (%)
1	21	79
2	19	81
3	19	81
4	18	82
5	17	83
6	16	84
7	16	84
8	16	84
9	14	86
10	13	87
11	13	87
12	12	88
13	12	88
14	12	88
15	11	89
16	10	90
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	9	91
24	9	91
25	9	91
26	9	91
27	9	91
28	9	91
29	10	90
30	10	90
31	10	90

	Rain chance (%)
1	83
2	85
3	86
4	87
5	88
6	89
7	89
8	90
9	90
10	91
11	91
12	91
13	91
14	91
15	90
16	90
17	90
18	89
19	89
20	89
21	88
22	88
23	88
24	88
25	88
26	88
27	89
28	89
29	89
30	90
31	90

	Oppressive (%)	Miserable (%)
1	48	52
2	47	53
3	46	54
4	45	55
5	44	56
6	43	57
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	45	55
16	47	53
17	48	52
18	49	51
19	50	50
20	51	49
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	54	46
27	54	46
28	53	47
29	53	47
30	53	47
31	53	47

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

	Clearer (%)	Cloudier (%)
1	21	79
2	19	81
3	19	81
4	18	82
5	17	83
6	16	84
7	16	84
8	16	84
9	14	86
10	13	87
11	13	87
12	12	88
13	12	88
14	12	88
15	11	89
16	10	90
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	9	91
24	9	91
25	9	91
26	9	91
27	9	91
28	9	91
29	10	90
30	10	90
31	10	90

	Rain chance (%)
1	83
2	85
3	86
4	87
5	88
6	89
7	89
8	90
9	90
10	91
11	91
12	91
13	91
14	91
15	90
16	90
17	90
18	89
19	89
20	89
21	88
22	88
23	88
24	88
25	88
26	88
27	89
28	89
29	89
30	90
31	90

	Oppressive (%)	Miserable (%)
1	48	52
2	47	53
3	46	54
4	45	55
5	44	56
6	43	57
7	42	58
8	42	58
9	42	58
10	42	58
11	42	58
12	43	57
13	43	57
14	44	56
15	45	55
16	47	53
17	48	52
18	49	51
19	50	50
20	51	49
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	54	46
27	54	46
28	53	47
29	53	47
30	53	47
31	53	47