Ilaro weather in December

In December, Ilaro sees average daytime highs of 33°C and overnight lows near 23°C, with 19 mm of rain across 5.5 wet days and about 11.6 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 36 min by month's end. Set against the rest of the year, December is Ilaro's 1st-clearest and 10th-windiest month. For the whole year in context, see Ilaro's year-round climate.

Daytime high
33°
4th warmest
Overnight low
23°
7th coldest
Rainfall
19 mm
5.5 wet days
Daylight
11 h 36 min
6:56 AM – 6:32 PM
Cloud cover
41%
1st clearest
Wind
6 km/h
10th windiest
Solar energy
5.05 kWh/m²
Travel score
4.1
out of 10

Ilaro is town in Ogun State, Nigeria.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Ilaro reaches about 33°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63324
73324
83323
93323
103323
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How December really feels in Ilaro

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.

Ilaro weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°216.111.63.7
Feb34° / 25°338.511.83.0
Mar33° / 25°7417.1122.7
Apr32° / 25°10819.812.12.8
May31° / 24°17326.412.32.7
Jun30° / 23°18626.912.43.0
Jul29° / 23°16325.312.43.5
Aug28° / 23°1372312.23.8
Sep29° / 23°17025.6123.2
Oct30° / 23°15226.211.83.0
Nov32° / 24°5314.111.73.6
Dec33° / 23°195.511.64.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46634
56733
66733
76931
87030
97129
107228
117426
127525
137723
147723
157822
167921
178020
188119
198119
208218
218218
228218
238218
248119
258119
268020
278020
287822
297822
307723
317723

Chance of precipitation in December

Any precipitation

Ilaro gets around 19 mm of rain over 5.5 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 18% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
330
429
528
627
726
825
923
1022
1121
1220
1318
1417
1516
1615
1714
1813
1912
2011
2111
2210
2310
2410
2511
2611
2711
2811
2911
3011
3112

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101245934
201355833
301355932
401356031
501465930
602465929
702466028
812475828
913575727
1013575826
1113585825
1223585824
1323595724
1423595823
15235105822
16236105821
17336115720
18336125719
19336135718
20336135817
21336145816
22437155615
23437155714
24437165713
25447175612
26548175511
27548175610
28649175410
2974917549
3084917539
31851017519

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 36 min at the start of December to 11 h 36 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 6:49 AM to 7:03 AM, and sunset from 6:27 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:496:27
211.66:496:27
311.66:506:27
411.66:506:27
511.66:516:28
611.66:516:28
711.66:526:29
811.66:526:29
911.66:536:29
1011.66:536:30
1111.66:546:30
1211.66:546:30
1311.66:556:31
1411.66:556:31
1511.66:566:32
1611.66:566:32
1711.66:576:33
1811.66:576:33
1911.66:576:34
2011.66:586:34
2111.66:586:34
2211.66:596:35
2311.66:596:35
2411.67:006:36
2511.67:006:36
2611.67:016:37
2711.67:016:37
2811.67:026:38
2911.67:026:38
3011.67:036:39
3111.67:036:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.05 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.41 kWh/m² in February across the year — December's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Ilaro

In seasonPeak

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

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

Ilaro sees seasonal dust haze (January–April), heaviest in February.

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

Is December a good time to visit Ilaro?

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

4.1
Sightseeing
1st-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Ilaro in December

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

In December, Ilaro sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Ilaro 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 58 km away) is warmest in May at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct28Warm
Nov29Tropical
Dec29Tropical

UV index in Ilaro 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 Ilaro peaks around March 24 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near February 9 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMar 24UV 12Feb 9UV 7
UV index (midday)Level
Jan8Very high
Feb7Very high
Mar13Extreme
Apr12Extreme
May10Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Ilaro 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 Ilaro is worst in January — around 139 µg/m³ PM2.5 (unhealthy), about 3.7× the cleanest month (August, 37 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 14137 µg/m³Aug 1238 µg/m³
PM2.5 (µg/m³)Level
Jan139Unhealthy
Feb117Unhealthy
Mar69Unhealthy
Apr64Unhealthy
May55Poor
Jun48Poor
Jul40Poor
Aug37Poor
Sep47Poor
Oct65Unhealthy
Nov76Unhealthy
Dec127Unhealthy
Location & terrain

Where is Ilaro?

Ilaro sits at 6.9°N, 3.0°E, 73 m above sea level, in Nigeria. The nearest listed city is Ifo, 22 km away.

Topography around Ilaro

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

Within 3 km, the terrain around Ilaro has only modest variations in elevation — a maximum elevation change of 96 m around an average of 73 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 333 m.

The land around Ilaro is covered by artificial surfaces (41%) and trees (38%) within 3 km, trees (57%) within 16 km, and trees (45%) within 80 km.

3 km
96 m
16 km
140 m
80 km
333 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Ifo 22 km · River Atuwara 27 km · Iyesi 31 km · Ijoko 32 km · Ota 33 km · Ado-Odo 34 km · Pobé 40 km · Sakété 43 km

Nigeria travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 13% of US
price level, 2025
GDP per capita
$1,224
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
15.7
per 100k, 2023
Road deaths
20.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 569
Religion
Muslim 54%other Christian 35%Roman Catholic 11%other 1%

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 Ilaro (6.889°, 3.0142°, elevation 73 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. 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. 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).