Mongo weather in December

In December, Mongo sees average daytime highs of 33°C and overnight lows near 17°C, with 0 mm of rain across 0 wet days and about 11.3 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 70% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Mongo's 1st-clearest and 5th-windiest month. For the whole year in context, see Mongo's year-round climate.

Daytime high: 33°; 8th warmest
Overnight low: 17°; 2nd coldest
Rainfall: 0 mm; 0 wet days
Daylight: 11 h 18 min; 6:03 AM – 5:20 PM
Cloud cover: 27%; 1st clearest
Wind: 9 km/h; 5th windiest
Solar energy: 5.92 kWh/m²
Travel score: 4.4; out of 10

Mongo is city in Chad.

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

← November Mongo 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

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical December day in Mongo reaches about 33°C in the afternoon and slips back to 17°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, December runs about 2°C cooler than 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)	35	34	34	34	34	34	34	34	34	34	34	34	34	33	33	33	33	33	33	33	33	33	33	33	33	33	33	32	32	32	32
Avg low (°C)	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16

	Avg high (°C)	Avg low (°C)
1	35	18
2	34	18
3	34	18
4	34	18
5	34	18
6	34	18
7	34	17
8	34	17
9	34	17
10	34	17
11	34	17
12	34	17
13	34	17
14	33	17
15	33	17
16	33	16
17	33	16
18	33	16
19	33	16
20	33	16
21	33	16
22	33	16
23	33	16
24	33	16
25	33	16
26	33	16
27	33	16
28	32	16
29	32	16
30	32	16
31	32	16

How December really feels in Mongo

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.

Mongo weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 16°	0	0	11.4	4.8
Feb	35° / 18°	0	0	11.6	3.0
Mar	38° / 22°	0	0.1	11.9	1.1
Apr	40° / 25°	6	2.3	12.3	0.2
May	39° / 27°	30	8.3	12.6	0.7
Jun	36° / 26°	62	13	12.7	1.8
Jul	32° / 24°	176	23.3	12.6	2.7
Aug	30° / 23°	289	26.9	12.4	3.0
Sep	32° / 23°	140	18.3	12.1	3.2
Oct	35° / 23°	25	5.4	11.7	3.0
Nov	35° / 20°	1	0.2	11.4	3.1
Dec	33° / 17°	0	0	11.3	4.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 18%.

	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 (%)	78	79	79	79	80	80	81	82	82	82	82	83	84	84	84	84	84	84	84	84	83	83	83	83	83	83	83	83	82	82	82
Cloudier (%)	22	21	21	21	20	20	19	18	18	18	18	17	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	18	18	18

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	79	21
5	80	20
6	80	20
7	81	19
8	82	18
9	82	18
10	82	18
11	82	18
12	83	17
13	84	16
14	84	16
15	84	16
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	83	17
28	83	17
29	82	18
30	82	18
31	82	18

Chance of precipitation in December

Any precipitation

Mongo gets around 0 mm of rain over 0 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 0% and peaks near 0% 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 (%)	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	0	0	0	0	0	0

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	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	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in December

Winds average 9 km/h in December.

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 18 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 5:55 AM to 6:10 AM, and sunset from 5:15 PM to 5:27 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)	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3
Sunrise (AM)	5:55	5:55	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	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08	6:08	6:08	6:09	6:09	6:10
Sunset (PM)	5:15	5:15	5:16	5:16	5:16	5:16	5:17	5:17	5:17	5:18	5:18	5:18	5:19	5:19	5:20	5:20	5:20	5:21	5:21	5:22	5:22	5:23	5:23	5:24	5:24	5:25	5:25	5:26	5:26	5:27	5:27

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	5:55	5:15
2	11.3	5:55	5:15
3	11.3	5:56	5:16
4	11.3	5:57	5:16
5	11.3	5:57	5:16
6	11.3	5:58	5:16
7	11.3	5:58	5:17
8	11.3	5:59	5:17
9	11.3	5:59	5:17
10	11.3	6:00	5:18
11	11.3	6:00	5:18
12	11.3	6:01	5:18
13	11.3	6:01	5:19
14	11.3	6:02	5:19
15	11.3	6:02	5:20
16	11.3	6:03	5:20
17	11.3	6:03	5:20
18	11.3	6:04	5:21
19	11.3	6:04	5:21
20	11.3	6:05	5:22
21	11.3	6:05	5:22
22	11.3	6:06	5:23
23	11.3	6:06	5:23
24	11.3	6:07	5:24
25	11.3	6:07	5:24
26	11.3	6:08	5:25
27	11.3	6:08	5:25
28	11.3	6:08	5:26
29	11.3	6:09	5:26
30	11.3	6:09	5:27
31	11.3	6:10	5:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.92 kWh/m².

For context, solar energy here swings from a low near 5.11 kWh/m² to a high of 7.1 kWh/m² in March across the year — December's 5.92 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)	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9
Level	Intense	Intense	Intense	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	6.0	Intense
2	6.0	Intense
3	6.0	Intense
4	6.0	Bright
5	6.0	Bright
6	6.0	Bright
7	6.0	Bright
8	6.0	Bright
9	5.9	Bright
10	5.9	Bright
11	5.9	Bright
12	5.9	Bright
13	5.9	Bright
14	5.9	Bright
15	5.9	Bright
16	5.9	Bright
17	5.9	Bright
18	5.9	Bright
19	5.9	Bright
20	5.9	Bright
21	5.9	Bright
22	5.9	Bright
23	5.9	Bright
24	5.9	Bright
25	5.9	Bright
26	5.9	Bright
27	5.9	Bright
28	5.9	Bright
29	5.9	Bright
30	5.9	Bright
31	5.9	Bright

Planning a trip in December

Hazard calendar for Mongo

In seasonPeak

None of Mongo's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mongo's monsoon runs July–September, when most of the year's rain falls.

Mongo sees seasonal dust haze (March–July), heaviest in March.

Monsoon

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Mongo?

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

4.4

Sightseeing

2nd-best month of the year

8.0

Beach & pool

2nd-best month of the year

December is a reasonable time to visit Mongo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mongo in December

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

In December, Mongo sees daytime highs around 33°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Mongo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

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

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

Air quality in Mongo 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 Mongo is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (August, 19 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	35	44	66	43	25	25	20	19	21	28	23	27
Level	Poor	Poor	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	35	Poor
Feb	44	Poor
Mar	66	Unhealthy
Apr	43	Poor
May	25	Moderate
Jun	25	Moderate
Jul	20	Moderate
Aug	19	Moderate
Sep	21	Moderate
Oct	28	Moderate
Nov	23	Moderate
Dec	27	Moderate

Location & terrain

Where is Mongo?

Mongo sits at 12.2°N, 18.7°E, 429 m above sea level, in Chad. The nearest listed city is Bitkine, 56 km away.

Topography around Mongo

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

Within 3 km, the terrain around Mongo has significant variations in elevation — a maximum elevation change of 361 m around an average of 451 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 828 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,219 m.

The land around Mongo is covered by grassland (63%) within 3 km, grassland (81%) within 16 km, and grassland (65%) and shrubs (31%) within 80 km.

3 km

361 m

grassland 63%

16 km

828 m

grassland 81%

80 km

1,219 m

grassland 65%

treesshrubsgrasslandcroplandartificial surfaces

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

December weather nearby: Bitkine 56 km · Mangalmé 102 km · Ati 120 km · Umm Hājar 165 km · Bokoro 178 km · Am Timan 215 km · Bousso 287 km · Moussoro 288 km

Chad travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / D / E / F; 220 V · 50 Hz
Prices: ≈ 35% of US; price level, 2025
GDP per capita: $1,022; 2025
Happiness: 4.4 / 10; World Happiness, 2025
Safe drinking water: 6%; of population, 2024
Road deaths: 32.4; per 100k/yr, 2019
Income group: Low; World Bank
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 Mongo (12.1851°, 18.6884°, elevation 429 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. 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).

	Avg high (°C)	Avg low (°C)
1	35	18
2	34	18
3	34	18
4	34	18
5	34	18
6	34	18
7	34	17
8	34	17
9	34	17
10	34	17
11	34	17
12	34	17
13	34	17
14	33	17
15	33	17
16	33	16
17	33	16
18	33	16
19	33	16
20	33	16
21	33	16
22	33	16
23	33	16
24	33	16
25	33	16
26	33	16
27	33	16
28	32	16
29	32	16
30	32	16
31	32	16

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	79	21
5	80	20
6	80	20
7	81	19
8	82	18
9	82	18
10	82	18
11	82	18
12	83	17
13	84	16
14	84	16
15	84	16
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	83	17
28	83	17
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	35	18
2	34	18
3	34	18
4	34	18
5	34	18
6	34	18
7	34	17
8	34	17
9	34	17
10	34	17
11	34	17
12	34	17
13	34	17
14	33	17
15	33	17
16	33	16
17	33	16
18	33	16
19	33	16
20	33	16
21	33	16
22	33	16
23	33	16
24	33	16
25	33	16
26	33	16
27	33	16
28	32	16
29	32	16
30	32	16
31	32	16

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	79	21
5	80	20
6	80	20
7	81	19
8	82	18
9	82	18
10	82	18
11	82	18
12	83	17
13	84	16
14	84	16
15	84	16
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	83	17
28	83	17
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	35	18
2	34	18
3	34	18
4	34	18
5	34	18
6	34	18
7	34	17
8	34	17
9	34	17
10	34	17
11	34	17
12	34	17
13	34	17
14	33	17
15	33	17
16	33	16
17	33	16
18	33	16
19	33	16
20	33	16
21	33	16
22	33	16
23	33	16
24	33	16
25	33	16
26	33	16
27	33	16
28	32	16
29	32	16
30	32	16
31	32	16

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	79	21
5	80	20
6	80	20
7	81	19
8	82	18
9	82	18
10	82	18
11	82	18
12	83	17
13	84	16
14	84	16
15	84	16
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	83	17
28	83	17
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0