Koungou weather in December

In December, Koungou sees average daytime highs of 27°C and overnight lows near 26°C, with 109 mm of rain across 16.5 wet days and about 12.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 42 min by month's end. Set against the rest of the year, December is Koungou's 9th-clearest and 10th-windiest month. For the whole year in context, see Koungou's year-round climate.

Daytime high: 27°; 5th warmest
Overnight low: 26°; 7th coldest
Rainfall: 109 mm; 16.5 wet days
Daylight: 12 h 42 min; 5:33 AM – 6:18 PM
Cloud cover: 54%; 9th clearest
Wind: 12 km/h; 10th windiest
Solar energy: 6.59 kWh/m²
Travel score: 5.6; out of 10

← November Koungou 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 27°C through the month.

A typical December day in Koungou reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°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)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Avg low (°C)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26

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

Koungou weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 26°	238	21.7	12.7	4.5
Feb	28° / 26°	196	19.8	12.4	4.5
Mar	28° / 26°	169	20	12.1	4.7
Apr	28° / 27°	69	13	11.7	6.0
May	27° / 26°	21	5.8	11.4	7.6
Jun	26° / 25°	12	2.9	11.3	8.4
Jul	25° / 24°	10	2.5	11.3	8.7
Aug	25° / 24°	10	2.1	11.6	8.9
Sep	25° / 24°	12	3.6	11.9	8.5
Oct	26° / 25°	20	5.4	12.3	8.0
Nov	27° / 26°	40	9	12.6	7.1
Dec	27° / 26°	109	16.5	12.7	5.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

	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 (%)	73	73	72	71	70	69	69	67	66	64	64	63	61	61	60	59	58	57	55	53	52	51	50	48	46	44	42	41	39	36	35
Cloudier (%)	27	27	28	29	30	31	31	33	34	36	36	37	39	39	40	41	42	43	45	47	48	49	50	52	54	56	58	59	61	64	65

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	72	28
4	71	29
5	70	30
6	69	31
7	69	31
8	67	33
9	66	34
10	64	36
11	64	36
12	63	37
13	61	39
14	61	39
15	60	40
16	59	41
17	58	42
18	57	43
19	55	45
20	53	47
21	52	48
22	51	49
23	50	50
24	48	52
25	46	54
26	44	56
27	42	58
28	41	59
29	39	61
30	36	64
31	35	65

Chance of precipitation in December

Any precipitation

Koungou gets around 109 mm of rain over 16.5 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 53% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

	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 (%)	41	42	42	43	43	44	45	45	46	47	48	49	50	51	52	53	55	56	57	58	59	60	61	61	62	63	64	64	65	66	66

	Rain chance (%)
1	41
2	42
3	42
4	43
5	43
6	44
7	45
8	45
9	46
10	47
11	48
12	49
13	50
14	51
15	52
16	53
17	55
18	56
19	57
20	58
21	59
22	60
23	61
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	66

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 88% 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 (%)	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Oppressive (%)	95	95	95	94	94	94	95	94	94	94	93	93	92	92	91	91	90	89	88	87	86	85	84	83	81	80	79	78	77	76	75
Miserable (%)	4	4	4	5	5	5	5	6	6	6	7	7	8	8	9	9	10	11	12	13	14	15	16	17	19	20	21	22	23	24	25

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	95	4
2	1	95	4
3	1	95	4
4	1	94	5
5	1	94	5
6	1	94	5
7	0	95	5
8	0	94	6
9	0	94	6
10	0	94	6
11	0	93	7
12	0	93	7
13	0	92	8
14	0	92	8
15	0	91	9
16	0	91	9
17	0	90	10
18	0	89	11
19	0	88	12
20	0	87	13
21	0	86	14
22	0	85	15
23	0	84	16
24	0	83	17
25	0	81	19
26	0	80	20
27	0	79	21
28	0	78	22
29	0	77	23
30	0	76	24
31	0	75	25

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 14 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	14	14	14	14
Feels	light breeze	light breeze	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 42 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 5:28 AM to 5:40 AM, and sunset from 6:10 PM to 6:25 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)	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7
Sunrise (AM)	5:28	5:28	5:29	5:29	5:29	5:29	5:30	5:30	5:30	5:31	5:31	5:31	5:32	5:32	5:33	5:33	5:33	5:34	5:34	5:35	5:35	5:36	5:36	5:37	5:37	5:38	5:38	5:39	5:39	5:40	5:40
Sunset (PM)	6:10	6:10	6:11	6:11	6:12	6:12	6:13	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	6:22	6:22	6:22	6:23	6:23	6:24	6:24	6:25

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:28	6:10
2	12.7	5:28	6:10
3	12.7	5:29	6:11
4	12.7	5:29	6:11
5	12.7	5:29	6:12
6	12.7	5:29	6:12
7	12.7	5:30	6:13
8	12.7	5:30	6:14
9	12.7	5:30	6:14
10	12.7	5:31	6:15
11	12.7	5:31	6:15
12	12.7	5:31	6:16
13	12.7	5:32	6:16
14	12.7	5:32	6:17
15	12.7	5:33	6:17
16	12.7	5:33	6:18
17	12.7	5:33	6:18
18	12.7	5:34	6:19
19	12.7	5:34	6:19
20	12.7	5:35	6:20
21	12.7	5:35	6:20
22	12.7	5:36	6:21
23	12.7	5:36	6:21
24	12.7	5:37	6:22
25	12.7	5:37	6:22
26	12.7	5:38	6:22
27	12.7	5:38	6:23
28	12.7	5:39	6:23
29	12.7	5:39	6:24
30	12.7	5:40	6:24
31	12.7	5:40	6:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.59 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 6.97 kWh/m² in November across the year — December's 6.59 kWh/m² sits near the top of that range.

	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)	6.9	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.7	6.7	6.7	6.7	6.7	6.6	6.6	6.6	6.6	6.5	6.5	6.5	6.5	6.4	6.4	6.4	6.3	6.3	6.3	6.3	6.2	6.2	6.2
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.9	Intense
2	6.8	Intense
3	6.8	Intense
4	6.8	Intense
5	6.8	Intense
6	6.8	Intense
7	6.8	Intense
8	6.8	Intense
9	6.7	Intense
10	6.7	Intense
11	6.7	Intense
12	6.7	Intense
13	6.7	Intense
14	6.6	Intense
15	6.6	Intense
16	6.6	Intense
17	6.6	Intense
18	6.5	Intense
19	6.5	Intense
20	6.5	Intense
21	6.5	Intense
22	6.4	Intense
23	6.4	Intense
24	6.4	Intense
25	6.3	Intense
26	6.3	Intense
27	6.3	Intense
28	6.3	Intense
29	6.2	Intense
30	6.2	Intense
31	6.2	Intense

Planning a trip in December

Hazard calendar for Koungou

In seasonPeak

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

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

Koungou'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 Koungou?

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

5.6

Sightseeing

9th-best month of the year

5.8

Beach & pool

9th-best month of the year

December is a reasonable time to visit Koungou for sightseeing.

What to pack for Koungou in December

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

In December, Koungou sees daytime highs around 27°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Koungou 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 15 km away) is warmest in March at about 30°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	30	29	29	27	26	26	26	27	28	29
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Tropical

	Sea temperature (°C)	Comfort
Jan	29	Tropical
Feb	29	Tropical
Mar	30	Tropical
Apr	29	Tropical
May	29	Tropical
Jun	27	Warm
Jul	26	Warm
Aug	26	Warm
Sep	26	Warm
Oct	27	Warm
Nov	28	Warm
Dec	29	Tropical

UV index in Koungou in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Koungou peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (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)	15	15	14	12	10	8	9	11	12	13	12	14
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	14	Extreme
Apr	12	Extreme
May	10	Very high
Jun	8	Very high
Jul	9	Very high
Aug	11	Extreme
Sep	12	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	14	Extreme

Location & terrain

Where is Koungou?

Koungou sits at 12.7°S, 45.2°E, 40 m above sea level, in Mayotte. The nearest listed city is Kaouéni, 5.0 km away.

Topography around Koungou

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

Within 3 km, the terrain around Koungou has significant variations in elevation — a maximum elevation change of 391 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 562 m; within 80 km, large variations in elevation — a maximum elevation change of 616 m.

The land around Koungou is covered by water (53%) and trees (40%) within 3 km, water (69%) and trees (28%) within 16 km, and water (96%) within 80 km.

3 km

391 m

water 53%

16 km

562 m

water 69%

80 km

616 m

water 96%

treesgrasslandartificial surfaceswatermangroves

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

December weather nearby: Kaouéni 5.0 km · Mamoudzou 6.0 km · Mtsapéré 6.0 km · Dzaoudzi 8.0 km · Labattoir 10 km · Moutsamoudou 108 km · Fomboni 166 km · Moroni 241 km

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Koungou (-12.7336°, 45.2042°, elevation 40 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	27	26
2	27	26
3	27	26
4	27	26
5	27	26
6	27	26
7	27	26
8	27	26
9	27	26
10	27	26
11	27	26
12	27	26
13	27	26
14	27	26
15	27	26
16	28	26
17	28	26
18	28	26
19	28	26
20	28	26
21	28	26
22	28	26
23	28	26
24	28	26
25	28	26
26	28	26
27	28	26
28	28	26
29	28	26
30	28	26
31	28	26

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	72	28
4	71	29
5	70	30
6	69	31
7	69	31
8	67	33
9	66	34
10	64	36
11	64	36
12	63	37
13	61	39
14	61	39
15	60	40
16	59	41
17	58	42
18	57	43
19	55	45
20	53	47
21	52	48
22	51	49
23	50	50
24	48	52
25	46	54
26	44	56
27	42	58
28	41	59
29	39	61
30	36	64
31	35	65

	Rain chance (%)
1	41
2	42
3	42
4	43
5	43
6	44
7	45
8	45
9	46
10	47
11	48
12	49
13	50
14	51
15	52
16	53
17	55
18	56
19	57
20	58
21	59
22	60
23	61
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	66

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	95	4
2	1	95	4
3	1	95	4
4	1	94	5
5	1	94	5
6	1	94	5
7	0	95	5
8	0	94	6
9	0	94	6
10	0	94	6
11	0	93	7
12	0	93	7
13	0	92	8
14	0	92	8
15	0	91	9
16	0	91	9
17	0	90	10
18	0	89	11
19	0	88	12
20	0	87	13
21	0	86	14
22	0	85	15
23	0	84	16
24	0	83	17
25	0	81	19
26	0	80	20
27	0	79	21
28	0	78	22
29	0	77	23
30	0	76	24
31	0	75	25

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

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	72	28
4	71	29
5	70	30
6	69	31
7	69	31
8	67	33
9	66	34
10	64	36
11	64	36
12	63	37
13	61	39
14	61	39
15	60	40
16	59	41
17	58	42
18	57	43
19	55	45
20	53	47
21	52	48
22	51	49
23	50	50
24	48	52
25	46	54
26	44	56
27	42	58
28	41	59
29	39	61
30	36	64
31	35	65

	Rain chance (%)
1	41
2	42
3	42
4	43
5	43
6	44
7	45
8	45
9	46
10	47
11	48
12	49
13	50
14	51
15	52
16	53
17	55
18	56
19	57
20	58
21	59
22	60
23	61
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	66

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	95	4
2	1	95	4
3	1	95	4
4	1	94	5
5	1	94	5
6	1	94	5
7	0	95	5
8	0	94	6
9	0	94	6
10	0	94	6
11	0	93	7
12	0	93	7
13	0	92	8
14	0	92	8
15	0	91	9
16	0	91	9
17	0	90	10
18	0	89	11
19	0	88	12
20	0	87	13
21	0	86	14
22	0	85	15
23	0	84	16
24	0	83	17
25	0	81	19
26	0	80	20
27	0	79	21
28	0	78	22
29	0	77	23
30	0	76	24
31	0	75	25

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

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	72	28
4	71	29
5	70	30
6	69	31
7	69	31
8	67	33
9	66	34
10	64	36
11	64	36
12	63	37
13	61	39
14	61	39
15	60	40
16	59	41
17	58	42
18	57	43
19	55	45
20	53	47
21	52	48
22	51	49
23	50	50
24	48	52
25	46	54
26	44	56
27	42	58
28	41	59
29	39	61
30	36	64
31	35	65

	Rain chance (%)
1	41
2	42
3	42
4	43
5	43
6	44
7	45
8	45
9	46
10	47
11	48
12	49
13	50
14	51
15	52
16	53
17	55
18	56
19	57
20	58
21	59
22	60
23	61
24	61
25	62
26	63
27	64
28	64
29	65
30	66
31	66

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	95	4
2	1	95	4
3	1	95	4
4	1	94	5
5	1	94	5
6	1	94	5
7	0	95	5
8	0	94	6
9	0	94	6
10	0	94	6
11	0	93	7
12	0	93	7
13	0	92	8
14	0	92	8
15	0	91	9
16	0	91	9
17	0	90	10
18	0	89	11
19	0	88	12
20	0	87	13
21	0	86	14
22	0	85	15
23	0	84	16
24	0	83	17
25	0	81	19
26	0	80	20
27	0	79	21
28	0	78	22
29	0	77	23
30	0	76	24
31	0	75	25