The best times to visit Onitsha for ideal weather are

mid-August

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 


Onitsha Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in Onitsha

    Temperature

    Average temperatures in Onitsha vary very little and are too warm to be considered temperate for most. The area is in the bottom 1 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Onitsha, the hottest months are January, February, and then March. See average monthly temperatures below. The warmest time of year is generally mid-January where highs are regularly around 94.2°F (34.6°C) with temperatures rarely dropping below 75.8°F (24.3°C) at night.

    Onitsha Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Onitsha Temperatures (Celsius)

    Key
    High
    Average
    Low

    “Feels-Like” Temperatures

    The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

    Onitsha Perceived Temperature (F)

    Key
    High
    Average
    Low

    Onitsha Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Onitsha Temperatures by Month

    Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

    Show Fahrenheit

    Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
    Jan 92.8 84.7 76.3
    Feb 91.6 84.1 75.8
    Mar 91.3 83.9 76.1
    Apr 89 82.4 75.2
    May 87.7 81.5 75.3
    Jun 85.7 79.5 74.4
    Jul 83.4 78.5 74.1
    Aug 83.1 78.2 73.8
    Sep 84.8 78.8 74.2
    Oct 86.3 79.8 74.3
    Nov 88.3 81.1 74.1
    Dec 90.9 82.9 73.6

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 33.8 29.3 24.6
    Feb 33.1 28.9 24.3
    Mar 32.9 28.8 24.5
    Apr 31.7 28 24
    May 30.9 27.5 24.1
    Jun 29.8 26.4 23.6
    Jul 28.6 25.8 23.4
    Aug 28.4 25.7 23.2
    Sep 29.3 26 23.4
    Oct 30.2 26.6 23.5
    Nov 31.3 27.3 23.4
    Dec 32.7 28.3 23.1

     
    Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

    Chance of Precipitation

    The graph below shows the % chance of rainy and snowy days in Onitsha.

    Key
    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Onitsha (in).

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 1.4 0 0.02
    Feb 7.1 0 0.02
    Mar 10 0 0.04
    Apr 15.7 0 0.1
    May 20 0 0.14
    Jun 30 0 0.19
    Jul 28.6 0 0.15
    Aug 35.7 0 0.16
    Sep 42.9 0 0.2
    Oct 28.6 0 0.17
    Nov 8.6 0 0.1
    Dec 1.4 0 0.01

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 1.4 0 0.05
    Feb 7.1 0 0.05
    Mar 10 0 0.1
    Apr 15.7 0 0.25
    May 20 0 0.36
    Jun 30 0 0.48
    Jul 28.6 0 0.38
    Aug 35.7 0 0.41
    Sep 42.9 0 0.51
    Oct 28.6 0 0.43
    Nov 8.6 0 0.25
    Dec 1.4 0 0.03
    –>

     

    Humidity and Wind

    Onitsha has slightly high to average humidity compared to most tourist destinations. The least humid month is December (61.9% relative humidity), and the most humid month is August (84.8%).

    Wind in Onitsha is usually moderate. The windiest month is February, followed by April and June. February’s average wind speed of around 4 knots (4.6 MPH or 7.4 KPH) is considered “light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid-February where average top sustained speeds reach 9.9 knots, which is considered a gentle breeze.

    Relative Humidity (%)

    The graph below shows the average % humidity by month in Onitsha.

    Key
    Avg. Relative Humidity

    Wind

    The graph below shows wind speed (max and average) in knots.

    Key
    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 3.4 light air 7.3 a gentle breeze
    Feb 4 a light breeze 8.6 a gentle breeze
    Mar 3.4 light air 8.1 a gentle breeze
    Apr 3.8 light air 8.6 a gentle breeze
    May 3.4 light air 7.4 a gentle breeze
    Jun 3.6 light air 7.8 a gentle breeze
    Jul 3.5 light air 8.3 a gentle breeze
    Aug 3.4 light air 7.5 a gentle breeze
    Sep 3.3 light air 7.5 a gentle breeze
    Oct 3.1 light air 7 a gentle breeze
    Nov 2.7 light air 6.5 a gentle breeze
    Dec 2.9 light air 6.2 a light breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 62.2
    Feb 67.8
    Mar 72.3
    Apr 75.9
    May 79.1
    Jun 82.6
    Jul 84.1
    Aug 84.8
    Sep 84.2
    Oct 81.7
    Nov 77.1
    Dec 61.9

     

    Is it Safe to Travel to Onitsha?

    As of 6/27/2017 there are strong travel warnings and regional advisories for Nigeria; avoid non-essential travel and all travel to some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
     

    Overall Onitsha Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel very warm. Highs range from 91.5°F (33.1°C) and 86.3°F (30.2°C) with colder temperatures in the later months. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.

    Summer (June through August)

    The middle-year months have very comfortable weather with high temperatures that are quite warm. June – August is slow/unreported season for tourism in Onitsha, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 90.4°F (32.4°C) and 84.4°F (29.1°C), which will feel very nice given the humidity and wind. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.

    Winter (December through February)

    Weather is somewhat warm this time of year in Onitsha to be enjoyable for warm weather travelers. The average high during this season is between 94.2°F (34.6°C) and 88.4°F (31.3°C). These times of year are slow/unreported with tourists.