Onitsha monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Onitsha

Onitsha average temperature chart (Celsius) Onitsha average temperature chart (Fahrenheit)
Average monthly temperatures in Onitsha (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 32.8 34.1 33.7 32.5 31.3 29.8 28.6 28.7 29.3 30.4 31.7 32.1
°F 91 93.4 92.6 90.5 88.3 85.7 83.6 83.6 84.8 86.6 89.1 89.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Onitsha monthly rainfall chart (mm) Onitsha monthly rainfall chart (inches)
Average monthly rainfall in Onitsha (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 13 31 100 159 228 254 312 239 334 252 58 13
inches 0.5 1.2 3.9 6.2 9 10 12.3 9.4 13.1 9.9 2.3 0.5
Rainy days 2 3 6 9 13 15 17 17 19 14 4 1

Average annual rainfall in Onitsha: 2005.333mm (789.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Onitsha

Onitsha average daily sunshine chart
Average daily sunshine Onitsha
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 5.9 5.4 5.8 5.7 4.7 3.5 3.3 3.7 5.1 6.6 6.6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Onitsha average minimum / maximum temperatures (Celsius) Onitsha average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Onitsha (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21 23 23.7 23.5 23.1 22.6 22.2 22.2 22.1 22.3 22.1 20.8
Max °C 33.1 34.4 33.9 32.7 31.5 30 28.8 28.9 29.5 30.6 32 32.4
Min °F 69.7 73.4 74.7 74.3 73.6 72.7 72 71.9 71.8 72.1 71.7 69.4
Max °F 80.6 83.7 83.8 82.6 81.1 79.3 77.9 77.9 78.4 79.5 80.6 79.9

Sea temperature

The graph below shows the average sea temperature.

Onitsha average sea temperature chart (Celsius) Onitsha average sea temperature chart (Fahrenheit)
Average sea temperature around Onitsha in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.7 28.2 28.6 28.8 28.9 27.9 26.7 26.1 26.6 27.3 28.1 28.1
°F 81.9 82.8 83.5 83.8 83.9 82.3 80.1 79 79.8 81.2 82.6 82.7

Wind speed

The graph below shows the average wind speed.

Onitsha average winspeed by month (km/h) Onitsha average winspeed by month (mph)
Average wind speed in Onitsha (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 9 9 9 8 8 8 9 8 7 6 7
mph 5 5 6 6 5 5 5 6 5 4 4 5

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Onitsha relative humidity averages
Average relative humidity in Onitsha
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 70% 74% 79% 82% 84% 85% 85% 84% 84% 81% 73%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Onitsha weather stats

Onitsha weather statistics
Hottest month: March 33.7°C 92.7°F
Driest month: January 13mm 0.5ins
Sunniest month: December 6.6hrs
Coldest month: July 28.6°C 83.5°F
Wettest month: September 334mm 13.1ins
Warmest sea: May 28.9°C 84°F
Map showing location of Onitsha (6.14543, 6.78845) Onitsha map pin © Google

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