Onitsha weather in October

In October, Onitsha sees average daytime highs of 31°C and overnight lows near 24°C, with 155 mm of rain across 23.1 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 5th-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 October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Onitsha's 10th-clearest and 12th-windiest month. For the whole year in context, see Onitsha's year-round climate.

Daytime high
31°
8th warmest
Overnight low
24°
6th coldest
Rainfall
155 mm
23.1 wet days
Daylight
11 h 54 min
6:22 AM – 6:14 PM
Cloud cover
83%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
4.04 kWh/m²
Travel score
3.2
out of 10

Onitsha is A City in Anambra state Nigeria.

Density
42,912/km²
people per km²
Founded
1550

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Onitsha reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, October runs about 1°C warmer than September and about 2°C cooler than November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How October really feels in Onitsha

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

Onitsha weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 24°51.111.73.1
Feb36° / 25°132.911.82.5
Mar35° / 25°479.6122.5
Apr33° / 25°9516.112.12.7
May32° / 25°14223.112.32.7
Jun30° / 24°18425.512.33.0
Jul29° / 23°1782612.33.3
Aug29° / 23°17723.212.23.6
Sep30° / 24°20026.8123.0
Oct31° / 24°15523.111.93.2
Nov32° / 24°295.711.74.2
Dec34° / 24°4111.63.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61090
71090
81189
91189
101189
111189
121189
131189
141189
151189
161189
171189
181189
191288
201387
211387
221387
231387
241387
251585
261585
271585
281684
291882
301981
311981

Chance of precipitation in October

Any precipitation

Onitsha gets around 155 mm of rain over 23.1 wet days in October. 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 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
384
484
583
683
782
882
981
1081
1181
1280
1379
1479
1578
1677
1776
1875
1974
2073
2171
2270
2368
2466
2564
2662
2759
2857
2954
3052
3149

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1946
2937
3937
4928
5928
6919
79010
89010
98911
108812
118812
128713
138713
148614
158614
168614
178515
188515
198416
208416
218317
228317
238317
248317
258317
268218
278218
288218
298218
308218
318218

Wind in October

Winds average 6 km/h in October, the calmest month.

Across October, 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 October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 6:23 AM to 6:23 AM, and sunset from 6:20 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:236:20
211.96:236:20
311.96:236:19
411.96:236:19
511.96:236:18
611.96:236:18
711.96:236:17
811.96:236:17
911.96:226:17
1011.96:226:16
1111.96:226:16
1211.96:226:15
1311.96:226:15
1411.96:226:14
1511.96:226:14
1611.96:226:14
1711.96:226:13
1811.96:226:13
1911.86:226:13
2011.86:226:12
2111.86:226:12
2211.86:226:12
2311.86:226:12
2411.86:226:11
2511.86:226:11
2611.86:226:11
2711.86:226:11
2811.86:226:10
2911.86:236:10
3011.86:236:10
3111.86:236:10

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.04 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.5 kWh/m² in January across the year — October's 4.04 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in October

Hazard calendar for Onitsha

In seasonPeak

In October, Onitsha sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Onitsha's monsoon runs April–October, when most of the year's rain falls.

Onitsha sees seasonal dust haze (December–April), heaviest in February.

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

Is October a good time to visit Onitsha?

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

3.2
Sightseeing
5th-best month of the year
4.6
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Onitsha.

What to pack for Onitsha in October

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

In October, Onitsha sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

UV index in Onitsha in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Onitsha peaks around September 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highSep 22UV 12Jan 10UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Onitsha in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Onitsha is worst in January — around 201 µg/m³ PM2.5 (very unhealthy), about 3.5× the cleanest month (August, 58 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyVery unhealthyJan 11201 µg/m³Aug 1058 µg/m³
PM2.5 (µg/m³)Level
Jan201Very unhealthy
Feb171Very unhealthy
Mar100Unhealthy
Apr98Unhealthy
May83Unhealthy
Jun73Unhealthy
Jul59Unhealthy
Aug58Unhealthy
Sep70Unhealthy
Oct92Unhealthy
Nov108Unhealthy
Dec197Very unhealthy
Location & terrain

Where is Onitsha?

Onitsha sits at 6.1°N, 6.8°E, 57 m above sea level, in Nigeria. The nearest listed city is Nkpor, 5.0 km away.

Topography around Onitsha

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

Within 3 km, the terrain around Onitsha has only modest variations in elevation — a maximum elevation change of 131 m around an average of 54 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, significant variations in elevation — a maximum elevation change of 531 m.

The land around Onitsha is covered by artificial surfaces (70%) within 3 km, trees (45%) and artificial surfaces (23%) within 16 km, and trees (66%) and grassland (21%) within 80 km.

3 km
131 m
16 km
222 m
80 km
531 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Nkpor 5.0 km · Asaba 8.0 km · Atani 16 km · Nnewi 21 km · Ozubulu 23 km · Enugu-Ukwu 24 km · Ogwashi-Uku 29 km · Igbo-Ukwu 30 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 Onitsha (6.1498°, 6.7857°, elevation 57 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).