Iseyin weather in December

In December, Iseyin sees average daytime highs of 33°C and overnight lows near 22°C, with 4 mm of rain across 1 wet days and about 11.5 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 63% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Iseyin's 1st-clearest and 10th-windiest month. For the whole year in context, see Iseyin's year-round climate.

Daytime high
33°
4th warmest
Overnight low
22°
2nd coldest
Rainfall
4 mm
1 wet days
Daylight
11 h 30 min
6:56 AM – 6:28 PM
Cloud cover
35%
1st clearest
Wind
6 km/h
10th windiest
Solar energy
5.48 kWh/m²
Travel score
4.2
out of 10

Iseyin is LGA and town in Oyo 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 Iseyin reaches about 33°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13323
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153422
163422
173422
183421
193421
203421
213421
223421
233421
243421
253321
263321
273321
283321
293321
303321
313321

How December really feels in Iseyin

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.

Iseyin 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
Jan34° / 22°71.711.63.9
Feb35° / 23°163.611.73.0
Mar35° / 24°471011.92.6
Apr33° / 24°7913.812.22.8
May32° / 24°12319.312.43.0
Jun30° / 23°1552312.53.3
Jul29° / 22°17024.612.43.6
Aug28° / 22°17423.812.33.8
Sep29° / 22°16723.7123.4
Oct31° / 23°10217.911.83.6
Nov33° / 23°153.611.64.0
Dec33° / 22°4111.54.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47327
57327
67426
77426
87525
97624
107624
117822
127921
137921
148119
158119
168317
178317
188416
198416
208515
218515
228416
238416
248416
258317
268317
278218
288119
298119
308020
317921

Chance of precipitation in December

Any precipitation

Iseyin gets around 4 mm of rain over 1 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 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
75
85
95
105
114
124
134
143
153
163
172
182
192
202
212
221
231
241
251
261
271
281
292
302
312

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17283053
27393051
38393050
49393049
5103103047
6113103046
7124103045
8134103043
9144103041
10154103140
11165103238
12165103236
13175113334
14186113432
15196113530
16206113527
17217123625
18227123623
19237133621
20248133619
21258143617
22268143616
23288143514
24298153513
25308153413
26318153312
27338153311
28348163111
29358153111
30368153011
31378152911

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 30 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 6:48 AM to 7:03 AM, and sunset from 6:22 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:486:22
211.66:496:23
311.66:496:23
411.66:506:23
511.66:506:24
611.66:516:24
711.66:516:24
811.66:526:25
911.56:526:25
1011.56:536:25
1111.56:536:26
1211.56:546:26
1311.56:546:27
1411.56:556:27
1511.56:556:28
1611.56:566:28
1711.56:566:28
1811.56:576:29
1911.56:576:29
2011.56:586:30
2111.56:586:30
2211.56:596:31
2311.56:596:31
2411.56:596:32
2511.57:006:32
2611.57:006:33
2711.57:016:33
2811.57:016:34
2911.57:026:34
3011.57:026:35
3111.57:036:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.48 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 5.86 kWh/m² in February across the year — December's 5.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Iseyin

In seasonPeak

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

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

Iseyin 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 Iseyin?

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

4.2
Sightseeing
1st-best month of the year
7.7
Beach & pool
1st-best month of the year

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

What to pack for Iseyin in December

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

In December, Iseyin sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Iseyin in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iseyin peaks around April 9 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highExtremeVery highApr 9UV 12Dec 20UV 7
UV index (midday)Level
Jan8Very high
Feb8Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Iseyin 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 Iseyin is worst in January — around 117 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (July, 30 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 23117 µg/m³Jul 2130 µg/m³
PM2.5 (µg/m³)Level
Jan117Unhealthy
Feb116Unhealthy
Mar63Unhealthy
Apr55Poor
May39Poor
Jun33Moderate
Jul30Moderate
Aug31Moderate
Sep37Poor
Oct54Poor
Nov71Unhealthy
Dec102Unhealthy
Location & terrain

Where is Iseyin?

Iseyin sits at 8.0°N, 3.6°E, 313 m above sea level, in Nigeria. The nearest listed city is Oyo, 39 km away.

Ibadan

Topography around Iseyin

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

Within 3 km, the terrain around Iseyin has only modest variations in elevation — a maximum elevation change of 153 m around an average of 311 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, significant variations in elevation — a maximum elevation change of 564 m.

The land around Iseyin is covered by artificial surfaces (53%) and trees (22%) within 3 km, shrubs (32%), cropland (31%) and trees (20%) within 16 km, and trees (45%), shrubs (22%) and cropland (20%) within 80 km.

3 km
153 m
16 km
251 m
80 km
564 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Oyo 39 km · Fiditi 45 km · Orita-Eruwa 49 km · Eruwa 52 km · Igangan 56 km · Igbo-Ora 69 km · Ogbomoso 73 km · Ibadan 74 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 Iseyin (7.9702°, 3.5963°, elevation 313 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).