Kosti weather in December

In December, Kosti sees average daytime highs of 34°C and overnight lows near 20°C, with 0 mm of rain across 0 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 81% 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 12 min by month's end. Set against the rest of the year, December is Kosti's 2nd-clearest and 4th-windiest month. For the whole year in context, see Kosti's year-round climate.

Daytime high
34°
10th warmest
Overnight low
20°
2nd coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 12 min
7:09 AM – 6:22 PM
Cloud cover
17%
2nd clearest
Wind
14 km/h
4th windiest
Solar energy
5.75 kWh/m²
Travel score
4.2
out of 10

Kosti is major city in Sudan.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 33°C by the end.

A typical December day in Kosti reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13522
23521
33521
43521
53521
63521
73521
83421
93421
103421
113421
123421
133420
143420
153420
163420
173420
183420
193420
203420
213320
223320
233320
243320
253320
263320
273320
283320
293319
303319
313319

How December really feels in Kosti

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.

Kosti weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°0011.34.7
Feb35° / 21°0011.63.1
Mar38° / 24°0011.91.0
Apr41° / 26°20.512.30.0
May40° / 28°154.112.60.1
Jun38° / 27°236.312.81.1
Jul35° / 25°6812.412.72.5
Aug33° / 24°7313.412.43.2
Sep35° / 25°399.612.12.6
Oct37° / 25°175.511.71.7
Nov37° / 23°00.111.42.3
Dec34° / 20°0011.24.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5919
6919
7919
8919
9919
10919
11919
12919
13919
14919
15919
16919
17919
18919
19919
20919
21919
22919
23919
24919
259010
269010
279010
289010
299010
308911
318911

Chance of precipitation in December

Any precipitation

Kosti 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.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

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.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:01 AM to 7:15 AM, and sunset from 6:17 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:016:17
211.37:016:18
311.37:026:18
411.37:026:18
511.37:036:18
611.37:036:19
711.37:046:19
811.27:046:19
911.27:056:20
1011.27:066:20
1111.27:066:20
1211.27:076:21
1311.27:076:21
1411.27:086:22
1511.27:086:22
1611.27:096:22
1711.27:096:23
1811.27:106:23
1911.27:106:24
2011.27:116:24
2111.27:116:25
2211.27:126:25
2311.27:126:26
2411.27:136:26
2511.27:136:26
2611.27:136:27
2711.27:146:27
2811.27:146:28
2911.27:156:28
3011.27:156:29
3111.27:156:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.75 kWh/m².

For context, solar energy here swings from a low near 5.55 kWh/m² to a high of 7.43 kWh/m² in April across the year — December's 5.75 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Kosti

In seasonPeak

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

Kosti sees seasonal dust haze (April–August), heaviest in April.

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

Is December a good time to visit Kosti?

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

4.2
Sightseeing
2nd-best month of the year
7.9
Beach & pool
2nd-best month of the year

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

What to pack for Kosti in December

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

In December, Kosti sees daytime highs around 34°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Kosti in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kosti peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 18UV 13Dec 12UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May10Extreme
Jun11Extreme
Jul9Very high
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Kosti 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 Kosti is worst in March — around 46 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1745 µg/m³Aug 1418 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb41Poor
Mar46Poor
Apr41Poor
May28Moderate
Jun23Moderate
Jul19Moderate
Aug18Moderate
Sep21Moderate
Oct24Moderate
Nov25Moderate
Dec32Moderate
Location & terrain

Where is Kosti?

Kosti sits at 13.2°N, 32.7°E, 387 m above sea level, in Sudan. The nearest listed city is Rabak, 9.0 km away.

SennarKinānaMaiurnoUmm Shawkah

Topography around Kosti

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

Within 3 km, the terrain around Kosti has only modest variations in elevation — a maximum elevation change of 15 m around an average of 383 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 35 m; within 80 km, significant variations in elevation — a maximum elevation change of 295 m.

The land around Kosti is covered by artificial surfaces (53%) within 3 km, grassland (48%) and cropland (32%) within 16 km, and cropland (59%) and grassland (36%) within 80 km.

3 km
15 m
16 km
35 m
80 km
295 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Rabak 9.0 km · Al Jazeera Aba 18 km · Tandaltī 88 km · Ad Douiem 101 km · Sennar 108 km · Kināna 112 km · Maiurno 112 km · Umm Shawkah 121 km

Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / F / G
230 V · 50 Hz
Prices
≈ 215% of US
price level, 2025
GDP per capita
$1,165
2025
Happiness
4.1 / 10
World Happiness, 2017
Homicide rate
5.1
per 100k, 2008
Road deaths
26.8
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 421

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 Kosti (13.1629°, 32.6635°, elevation 387 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).