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Onitsha weather & best time to visit

City break

Onitsha at a glance

Best time
Nov – Jan
Warmest month
Feb · 37°
Sunshine a year
1,710 h
Rain a year
1,198 mm
Climate
Tropical
Time zone
UTC+1
Elevation
57 m

Climate in Onitsha

Onitsha has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. February is the warmest month with average highs of 37 °C, while August is the coolest at 30 °C. With around 1,710 hours of sunshine a year, Onitsha is moderately sunny; January is the sunniest month with 6.9 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Onitsha

The best time to visit Onitsha is from November to January. From December to April it can get very hot, with highs of up to 37 °C. The rainy season is from May to October; the wettest month is September with 205 mm.

Onitsha through the seasons

How the weather changes over the seasons, with averages for each.

Onitsha in the dry season

Nov – Apr

36

Poor

  • 33–37 °C by day
  • 5.6 h of sun a day
  • 34 rainy days in all

Onitsha in the rainy season

May – Oct

29

Poor

  • 30–33 °C by day
  • 3.8 h of sun a day
  • 145 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Peak heat

Dec – Apr

Highs of 33 °C or more

Rainy months

May – Oct

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Onitsha for you.

Sunshine
Little rain

Your best months: December – February

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

27

Holiday weather in October

Poor

Best time to visit: November – January

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 26°
  2. Midday, 13:00: about 31°
  3. Afternoon, 16:00: about 30°
  4. Evening, 20:00: about 27°
  5. Night, 23:00: about 25°

06:1918:18

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:06–06:46 · evening 17:50–18:31
Blue hour
Morning 05:58–06:06 · evening 18:31–18:39

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Onitsha compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 31° at the start of the month to 32° at the end.

Early or late October?
October1 Oct31 Oct
Daytime high31°32°
Night-time low23°23°
Daylight12.1 h11.9 h

What is the weather like in Onitsha in October?

In October, Onitsha is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun is scarce, with only about 3.5 hours a day. It is the rainy season: rain falls on about 23 days, totalling 150 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Onitsha.

More details for October

Daylight
12 h 0 min06:19 – 18:18
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
11 km/haverage daily peakAll months
Cloud cover
86 %on averageAll months
Hot days
24 days30 °C or moreAll months
Time zone
UTC+1offset from UTC

How the score comes together

  • Temperatureweight 50 %51 %
  • Sunshineweight 20 %8 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Compare two months in Onitsha

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

November has the better holiday weather in Onitsha: score 48 against 27. In November, days are 2 °C warmer than in October. November has 18 fewer rainy days. The sun shines an hour longer a day in November.

October vs November, Onitsha
MonthOctoberNovember
Holiday weather score2748better
Daytime high31°33°
Night-time low23°23°
Sunshine3.5 h4.6 hbetter
Rainy days235better
Rainfall150 mm26 mmbetter
Muggy days3130better

Based on the climate averages 1996–2025.

Onitsha month by month

The typical weather for every month at a glance.

43January36° · 6.9 h

In January, Onitsha is very hot: daytime highs average 36 °C, and even at night it stays warm at around 23 °C. The sun shines for around 6.9 hours a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Onitsha – and yet one of the best months here.

Onitsha in January
40February37° · 6.1 h

In February, Onitsha is very hot: daytime highs average 37 °C, and even at night it stays warm at around 24 °C. Expect around 6.1 hours of sunshine a day. Rain is rare: about 3 days bring 13 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Onitsha.

Onitsha in February
25March36° · 4.9 h

In March, Onitsha is very hot: daytime highs average 36 °C, and even at night it stays warm at around 25 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 43 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, March is not an ideal month for a holiday in Onitsha.

Onitsha in March
16April34° · 4.5 h

In April, Onitsha is very hot: daytime highs average 34 °C, and even at night it stays warm at around 25 °C. Expect around 4.5 hours of sunshine a day. It rains often – on about 15 days, adding up to 85 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Onitsha.

Onitsha in April
19May33° · 4.5 h

In May, Onitsha is hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. Expect around 4.5 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 133 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Onitsha.

Onitsha in May
29June31° · 4.0 h

In June, Onitsha is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. Expect around 4.0 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 181 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Onitsha.

Onitsha in June
34July30° · 3.8 h

In July, Onitsha is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sun is scarce, with only about 3.8 hours a day. It is the rainy season: rain falls on about 25 days, totalling 174 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Onitsha.

Onitsha in July
34August30° · 3.6 h

In August, Onitsha is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sun is scarce, with only about 3.6 hours a day. It is the rainy season: rain falls on about 23 days, totalling 179 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Onitsha.

Onitsha in August
31September30° · 3.5 h

In September, Onitsha is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sun is scarce, with only about 3.5 hours a day. It is the rainy season: rain falls on about 27 days, totalling 205 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is not an ideal month for a holiday in Onitsha.

Onitsha in September
27October31° · 3.5 h

In October, Onitsha is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun is scarce, with only about 3.5 hours a day. It is the rainy season: rain falls on about 23 days, totalling 150 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Onitsha.

Onitsha in October
48November33° · 4.6 h

In November, Onitsha is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. Expect around 4.6 hours of sunshine a day. Rain falls on about 5 days, adding up to 26 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Onitsha – and yet one of the best months here.

Onitsha in November
44December35° · 6.4 h

In December, Onitsha is very hot: daytime highs average 35 °C, and even at night it stays warm at around 23 °C. Expect around 6.4 hours of sunshine a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Onitsha – and yet one of the best months here.

Onitsha in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Onitsha

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 31 days (dew point 18 °C or more).

The coolest nights are in August (23°), the warmest in March (25°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 342 days a year.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 31°Night 23°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan4336°23°6.9 h15
FebruaryFeb4037°24°6.1 h313
MarchMar2536°25°4.9 h943
AprilApr1634°25°4.5 h1585
MayMay1933°24°4.5 h22133
JuneJun2931°23°4.0 h25181
JulyJul3430°23°3.8 h25174
AugustAug3430°23°3.6 h23179
SeptemberSep3130°23°3.5 h27205
OctoberOct2731°23°3.5 h23150
NovemberNov4833°23°4.6 h526
DecemberDec4435°23°6.4 h14

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

6.15° N, 6.79° E · 57 m · Africa/Lagos

Sunshine

Sunshine hours in Onitsha

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,710 hours
Sunniest month
Jan · 6.9 h a day
Least sunshine
Sep · 3.5 h a day
OctoberSunshine 3.5 hDaylight 12.0 hShare of daylight 29 %
SunshineDaylight

In October, the sun shines for about 3.5 of 12.0 hours of daylight in Onitsha, 29 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Onitsha: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
1,198 mm on 179 days
Wettest month
Sep · 205 mm
Driest month
Dec · 4 mm
OctoberRainy days 23Rainfall 150 mm

In October, Onitsha has about 23 rainy days with 150 mm of rain in total.

Sun protection

UV index in Onitsha

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
13 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in September (UV 14).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 15 min
Light brown skin
about 20 min
Olive skin
about 25 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Onitsha

How breezy and how cloudy Onitsha is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
13 km/h · gentle breeze
Windiest month
Mar · 16 km/h
Calmest month
Oct · 11 km/h
OctoberWind 11 km/hBeaufort 2

In October, the wind in Onitsha typically peaks at 11 km/h during the day: Beaufort 2, light breeze or less.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
76 % · mostly cloudy
Clearest month
Dec · 50 %
Cloudiest month
Aug · 88 %
OctoberCloud cover 86 %Sunshine 3.5 h

In October, cloud covers on average 86 % of the sky over Onitsha: mostly overcast, with about 3.5 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Onitsha

How often the day gets hot in Onitsha (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
309 days
Hottest month
Feb · 37 °C
Hot months
All year

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 24Daytime high 31 °C

In October, Onitsha has about 24 hot days, with an average daytime high of 31 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Onitsha

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Onitsha in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Onitsha has its best school-holiday weather during the Christmas holidays (score 44) and its weakest during the Easter holidays (score 19).

  • Easter holidays

    Mar – Apr

    19

    Poor

    • 35 °C by day
    • 4.6 h of sun a day
    • 13 rainy days a month

    Keep in mind: Peak heat

  • May half-term

    May – Jun

    21

    Poor

    • 32 °C by day
    • 4.4 h of sun a day
    • 23 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    34

    Poor

    • 30 °C by day
    • 3.7 h of sun a day
    • 24 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    27

    Poor

    • 31 °C by day
    • 3.5 h of sun a day
    • 23 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    44

    FairBest holidays

    • 35 °C by day
    • 6.7 h of sun a day
    • 1 rainy day a month

    Keep in mind: Peak heat

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 6 h 35 min
Distance
5,080 km
Time zone
UTC+1
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Compare & alternatives

Compare

Onitsha compared

Put Onitsha side by side with another destination.

Nearby:
Compare with home:

Onitsha vs Enugu

In October the holiday weather in Onitsha and Enugu is about equally good (score 27 vs 28). During the day it is about as warm in Enugu as in Onitsha.

Onitsha vs Enugu, in October
in OctoberOnitshaEnugu
Holiday weather score2728
Daytime high31°31°
Sunshine4 h4 h
Rainy days2325
Best timeNov – JanNov – Feb

Through the year

OctoberOnitsha 31°Enugu 31°
OnitshaEnugu
Go to Enugu
Ranking

Nigeria in October: the best places

In October, Onitsha ranks 15 of 16 destinations in this country.

  1. Jos29°68
  2. 2Zaria32°52
  3. 3Kano35°50
  4. 4Maiduguri35°50
  5. 5Bauchi33°46
  6. 6Kaduna32°44
  7. 7Lagos30°28°43
  8. 8Abuja31°33
  9. 15OnitshaThis page31°27
All destinations: Nigeria

Near Onitsha

Other destinations close by.

Places with a climate like Onitsha

Destinations whose weather through the year is closest to Onitsha's – good alternatives.

  1. 81 % similar28Ile IfeNigeria31°Best time: Dec – Jan
  2. 73 % similar29IbadanNigeria31°Best time: Dec – Jan
  3. 73 % similar32AbeokutaNigeria31°Best time: Dec
  4. 70 % similar30KumasiGhana31°Best time: Dec – Jan

Frequently asked questions about Onitsha

When is the best time to visit Onitsha?

The best time to visit Onitsha is from November to January. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Onitsha?

February is the warmest month, with average highs of 37 °C and nights around 24 °C. August is the coolest month at 30 °C.

When does it rain most in Onitsha?

The rainy season is from May to October; the wettest month is September with 205 mm. The driest month is December with 4 mm.

How many hours of sunshine does Onitsha get?

Onitsha gets around 1,710 hours of sunshine a year. The sunniest month is January with 6.9 hours a day; in September there are 3.5 hours a day.

What time zone is Onitsha in?

Onitsha is on UTC+1 all year.

How long is the flight from London to Onitsha?

A nonstop flight from London to Onitsha takes about 6 h 35 min, for a straight-line distance of about 5,080 km.

Which school holidays are best for Onitsha?

Onitsha has its best school-holiday weather during the Christmas holidays (score 44) and its weakest during the Easter holidays (score 19). Holiday ratings (0–100): Easter holidays 19, May half-term 21, summer holidays 34, October half-term 27, Christmas holidays 44.