The best times to visit Onitsha for ideal weather are

December 17th to January 21st

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

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Weather in Onitsha

Temperature

Average temperatures in Onitsha vary little. Considering humidity, temperatures feel hot for most of the year with a very low chance of rain throughout the year. The area is less temperate than some — in the 30th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Onitsha, the hottest months are February, March, and then January. See average monthly temperatures below. The warmest time of year is generally late February and early March where highs are regularly around 96.6°F (35.9°C) with temperatures rarely dropping below 80.3°F (26.8°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 93.5 85.8 77
Feb 94.8 86.9 78.8
Mar 94.2 86.8 79
Apr 90.6 83.9 76.7
May 88.8 81.3 75.5
Jun 86.4 80.4 74.4
Jul 84.6 79.2 74.2
Aug 83.7 78.9 74.3
Sep 84.4 79.4 74
Oct 86.3 80.7 73.8
Nov 90.7 83.1 74.5
Dec 90.5 81.5 71.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 34.2 29.9 25
Feb 34.9 30.5 26
Mar 34.6 30.4 26.1
Apr 32.6 28.8 24.8
May 31.6 27.4 24.2
Jun 30.2 26.9 23.6
Jul 29.2 26.2 23.4
Aug 28.7 26.1 23.5
Sep 29.1 26.3 23.3
Oct 30.2 27.1 23.2
Nov 32.6 28.4 23.6
Dec 32.5 27.5 21.8


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Onitsha are January, February, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late August with an average of 1 days of significant precipitation the week of August 20th.

When can you find snow in Onitsha? Weather stations report no annual snow. 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.

Chanceof 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 0% 0 0
Feb 0% 0 0
Mar 2% 0 0.6
Apr 3% 0 0.4
May 3% 0 0.2
Jun 11% 0 1.6
Jul 8% 0 1.8
Aug 13% 0 4
Sep 13% 0 1.8
Oct 11% 0 1.6
Nov 0% 0 0
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 2 0 1.5
Apr 3 0 1
May 3 0 0.5
Jun 11 0 4.1
Jul 8 0 4.6
Aug 13 0 10.2
Sep 13 0 4.6
Oct 11 0 4.1
Nov 0 0 0
Dec 0 0 0

 

Humidity and Wind

Onitsha has some very humid months, with other moderately humid months on the other side of the year. The least humid month is December (45.6% relative humidity), and the most humid month is July (79.7%).

Wind in Onitsha is usually calm. The windiest month is March, followed by December and January. March’s average wind speed of around 6.4 knots (7.4 MPH or 11.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid December where average top sustained speeds reach 17.1 knots, which is considered a fresh 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. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6 Light breeze 11.3 Significant breeze
Feb 5 Light breeze 9.6 Gentle breeze
Mar 6.4 Light breeze 10.9 Significant breeze
Apr 5.8 Light breeze 10.1 Gentle breeze
May 4.5 Light breeze 10.1 Significant breeze
Jun 4.9 Light breeze 10.3 Gentle breeze
Jul 5.8 Light breeze 11 Significant breeze
Aug 6 Light breeze 11.1 Significant breeze
Sep 4.6 Light breeze 9 Significant breeze
Oct 4.8 Light breeze 9.1 Gentle breeze
Nov 4.6 Light breeze 10.6 Significant breeze
Dec 6 Light breeze 12.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 48.5%
Feb 50.1%
Mar 57.6%
Apr 68.6%
May 76.8%
Jun 77.5%
Jul 79.7%
Aug 79.4%
Sep 77.7%
Oct 76.2%
Nov 60.5%
Dec 45.6%

 

Is it Safe to Travel to Onitsha?

Our best data indicates this area is somewhat unsafe, especially in some areas. As of Jan 18, 2018 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


 

The Busiest and Least Crowded Months

The busiest month for tourism in Onitsha, Nigeria is June, followed by October and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Onitsha in August. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 29.8 in August means 29.8% of the tourists vs. June.


Overall Onitsha Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 96.1°F (35.6°C) and 87.4°F (30.8°C) with colder temperatures in the later months. Rain is rare with roughly 1 days of significant precipitation per month. Spring is the slowest 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. These months see the most precipitation with 2 to 4 days of precipitation per month. June – August is the second busiest season for tourism in Onitsha, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 92.1°F (33.4°C) and 83.5°F (28.6°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 4 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is perfect this time of year in Onitsha to be enjoyable for warm weather travelers. The average high during this season is between 96.6°F (35.9°C) and 83.4°F (28.6°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.

 

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