Yende Millimou weather in December

In December, Yende Millimou sees average daytime highs of 31°C and overnight lows near 19°C, with 8 mm of rain across 1.9 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Yende Millimou's 3rd-clearest and 10th-windiest month. For the whole year in context, see Yende Millimou's year-round climate.

Daytime high
31°
5th warmest
Overnight low
19°
1st coldest
Rainfall
8 mm
1.9 wet days
Daylight
11 h 30 min
6:52 AM – 6:21 PM
Cloud cover
41%
3rd clearest
Wind
5 km/h
10th windiest
Solar energy
5.35 kWh/m²
Travel score
5.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Yende Millimou reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and about 2°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73120
83120
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263219
273219
283219
293219
303219
313219

How December really feels in Yende Millimou

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yende Millimou weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°91.811.54.7
Feb34° / 21°162.911.73.6
Mar34° / 23°589.811.93.2
Apr32° / 23°9616.112.23.3
May30° / 22°18523.212.43.2
Jun29° / 22°24026.412.53.3
Jul27° / 21°25727.512.53.7
Aug27° / 21°2932812.33.6
Sep28° / 21°31527.812.13.3
Oct29° / 21°27528.311.83.2
Nov30° / 20°911211.64.8
Dec31° / 19°81.911.55.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26337
36337
46436
56535
66535
76535
86634
96634
106733
116832
126832
136931
146931
157030
167129
177228
187228
197426
207426
217426
227624
237624
247624
257822
267822
277822
287822
297822
307822
317723

Chance of precipitation in December

Any precipitation

Yende Millimou gets around 8 mm of rain over 1.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
313
412
511
610
710
89
99
108
118
127
137
147
156
166
176
185
195
205
214
224
234
243
253
263
273
283
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
167135321
277145319
388155217
499155116
51010164914
61210174813
71311184711
81412194610
9151219449
10171220438
11181321427
12191321416
13201322396
14211322385
15231323375
16241323364
17251324344
18261324334
19281324324
20301224303
21311224293
22331224273
23351224263
24371224243
25401223232
26421223212
27441223202
28451222182
29471321172
30491321161
31501321151

Wind in December

Winds average 5 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
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 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 6:45 AM to 6:59 AM, and sunset from 6:16 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:456:16
211.56:456:16
311.56:466:17
411.56:466:17
511.56:476:17
611.56:476:18
711.56:486:18
811.56:486:18
911.56:496:19
1011.56:496:19
1111.56:506:19
1211.56:506:20
1311.56:516:20
1411.56:516:21
1511.56:526:21
1611.56:526:21
1711.56:536:22
1811.56:536:22
1911.56:546:23
2011.56:546:23
2111.56:556:24
2211.56:556:24
2311.56:566:25
2411.56:566:25
2511.56:576:26
2611.56:576:26
2711.56:576:27
2811.56:586:27
2911.56:586:28
3011.56:596:28
3111.56:596:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 5.96 kWh/m² in February across the year — December's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Yende Millimou

In seasonPeak

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

Yende Millimou's monsoon runs May–October, when most of the year's rain falls.

Yende Millimou sees seasonal dust haze (February–April), heaviest in April.

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

Is December a good time to visit Yende Millimou?

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

5.5
Sightseeing
1st-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for Yende Millimou in December

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

In December, Yende Millimou sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Yende Millimou 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 Yende Millimou peaks around August 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 23UV 13Dec 14UV 8
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Yende Millimou 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 Yende Millimou is worst in January — around 145 µg/m³ PM2.5 (unhealthy), about 16.6× the cleanest month (August, 9 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateJan 24144 µg/m³Aug 179 µg/m³
PM2.5 (µg/m³)Level
Jan145Unhealthy
Feb142Unhealthy
Mar138Unhealthy
Apr82Unhealthy
May25Moderate
Jun17Moderate
Jul11Good
Aug9Good
Sep10Good
Oct18Moderate
Nov23Moderate
Dec50Poor
Location & terrain

Where is Yende Millimou?

Yende Millimou sits at 8.9°N, 10.2°W, 468 m above sea level, in Guinea. The nearest listed city is Kissidougou, 34 km away.

Foya KamaraVoinjamaAlbadériaMacentaKoiduDouako

Topography around Yende Millimou

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

Within 3 km, the terrain around Yende Millimou has significant variations in elevation — a maximum elevation change of 321 m around an average of 513 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 481 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,471 m.

The land around Yende Millimou is covered by trees (69%) and grassland (29%) within 3 km, trees (63%) and grassland (37%) within 16 km, and trees (74%) and grassland (21%) within 80 km.

3 km
321 m
16 km
481 m
80 km
1,471 m
treesshrubsgrasslandartificial surfaces
December weather nearby: Kissidougou 34 km · Gueckedou 36 km · Foya Kamara 59 km · Voinjama 70 km · Albadéria 74 km · Macenta 86 km · Koidu 92 km · Douako 94 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 0%

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 Yende Millimou (8.8872°, -10.1722°, elevation 468 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).