Nkayi weather in January

In January, Nkayi sees average daytime highs of 31°C and overnight lows near 23°C, with 135 mm of rain across 22.6 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 4th-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 2% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Nkayi's 8th-clearest and 10th-windiest month. For the whole year in context, see Nkayi's year-round climate.

Daytime high
31°
5th warmest
Overnight low
23°
9th coldest
Rainfall
135 mm
22.6 wet days
Daylight
12 h 12 min
6:10 AM – 6:23 PM
Cloud cover
82%
8th clearest
Wind
4 km/h
10th windiest
Solar energy
4.69 kWh/m²
Travel score
3.2
out of 10

Nkayi is city in Bouenza department, Republic of Congo.

Density
6,867/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Nkayi reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Nkayi

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nkayi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°13522.612.23.2
Feb31° / 23°11818.812.13.1
Mar32° / 23°12520.8123.0
Apr31° / 23°15021.511.93.0
May31° / 23°6913.911.84.2
Jun28° / 21°30.611.86.7
Jul28° / 19°10.211.87.3
Aug28° / 20°30.711.96.8
Sep29° / 21°113.2125.6
Oct31° / 23°8315.212.13.8
Nov31° / 23°15824.312.23.0
Dec30° / 23°17525.112.23.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41387
51387
61387
71387
81387
91387
101288
111288
121288
131189
141189
151189
161189
171189
181090
191090
201090
211090
221090
231090
241090
251090
261090
271090
281090
291090
301090
311090

Chance of precipitation in January

Any precipitation

Nkayi gets around 135 mm of rain over 22.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
377
476
576
676
776
875
975
1075
1174
1274
1374
1474
1573
1673
1773
1873
1972
2072
2171
2271
2370
2470
2569
2669
2768
2868
2967
3067
3167

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
32971
42971
52971
62971
72971
82962
92962
102962
112962
122962
132962
142962
152962
162962
172962
183952
193952
203952
213952
223952
233943
243943
253943
263943
273943
283943
293943
303934
313934

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 6:03 AM to 6:15 AM, and sunset from 6:17 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:036:17
212.26:036:18
312.26:046:18
412.26:046:18
512.26:056:19
612.26:056:19
712.26:066:20
812.26:066:20
912.26:076:20
1012.26:076:21
1112.26:076:21
1212.26:086:21
1312.26:086:22
1412.26:096:22
1512.26:096:22
1612.26:106:23
1712.26:106:23
1812.26:106:23
1912.26:116:24
2012.26:116:24
2112.26:126:24
2212.26:126:24
2312.26:126:24
2412.26:136:25
2512.26:136:25
2612.26:136:25
2712.26:146:25
2812.26:146:25
2912.26:146:25
3012.26:146:26
3112.26:156:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.69 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 5 kWh/m² in March across the year — January's 4.69 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Nkayi

In seasonPeak

In January, Nkayi sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Nkayi's rainy season runs October–April, when most of the year's rain falls.

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

Is January a good time to visit Nkayi?

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

3.2
Sightseeing
7th-best month of the year
4.6
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Nkayi.

What to pack for Nkayi in January

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

In January, Nkayi sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Nkayi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Nkayi peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 16UV 15Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun6High
Jul7High
Aug7High
Sep11Extreme
Oct14Extreme
Nov11Extreme
Dec10Extreme

Air quality in Nkayi in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Nkayi is worst in July — around 68 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (November, 14 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 2167 µg/m³Nov 2014 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar18Moderate
Apr17Moderate
May26Moderate
Jun41Poor
Jul68Unhealthy
Aug61Unhealthy
Sep44Poor
Oct21Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is Nkayi?

Nkayi sits at 4.2°S, 13.3°E, 181 m above sea level, in Republic of the Congo. The nearest listed city is Kayes, 2.0 km away.

SibitiLoutétéDolisieMouyondziBelize

Topography around Nkayi

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

Within 3 km, the terrain around Nkayi has only modest variations in elevation — a maximum elevation change of 80 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, large variations in elevation — a maximum elevation change of 797 m.

The land around Nkayi is covered by grassland (42%) and artificial surfaces (26%) within 3 km, grassland (71%) within 16 km, and grassland (53%) and trees (45%) within 80 km.

3 km
80 m
16 km
311 m
80 km
797 m
treesshrubsgrasslandartificial surfaceswater
January weather nearby: Kayes 2.0 km · Loudima 25 km · Bouansa 53 km · Sibiti 56 km · Loutété 64 km · Dolisie 69 km · Mouyondzi 74 km · Belize 77 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Nkayi (-4.184°, 13.2859°, elevation 181 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).