Grand Baie monthly weather averages

Average daytime temperature

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

Grand Baie average temperature chart (Celsius) Grand Baie average temperature chart (Fahrenheit)
Average monthly temperatures in Grand Baie (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.6 29.5 29.4 28.4 26.9 25.3 24.5 24.5 25.5 26.7 28.6 29.3
°F 85.2 85.1 84.9 83.2 80.3 77.5 76.1 76 78 80.1 83.5 84.7

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.

Grand Baie monthly rainfall chart (mm) Grand Baie monthly rainfall chart (inches)
Average monthly rainfall in Grand Baie (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 235 242 191 171 97 83 83 76 54 50 66 163
inches 9.3 9.5 7.5 6.7 3.8 3.3 3.3 3 2.1 2 2.6 6.4
Rainy days 17 17 17 16 14 13 15 15 12 13 12 16

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Grand Baie

Grand Baie average daily sunshine chart
Average daily sunshine Grand Baie
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.5 8 7.7 7.6 7.8 7.6 7.7 7.7 7.6 8.2 8.6 7.9

Day / night temperatures

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

Grand Baie average minimum / maximum temperatures (Celsius) Grand Baie average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grand Baie (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.1 22.3 22.1 21 19 17.2 16.7 16.6 17.1 18.1 19.6 21.2
Max °C 29.8 29.7 29.6 28.6 27.1 25.5 24.7 24.7 25.8 27 28.9 29.5
Min °F 71.7 72.1 71.7 69.8 66.1 62.9 62.1 61.8 62.7 64.5 67.2 70.1
Max °F 78.6 78.8 78.4 76.6 73.4 70.3 69.3 69.1 70.5 72.5 75.6 77.5

Sea temperature

The graph below shows the average sea temperature.

Grand Baie average sea temperature chart (Celsius) Grand Baie average sea temperature chart (Fahrenheit)
Average sea temperature around Grand Baie in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.5 28 27.8 27.2 26.3 24.9 23.9 23.4 23.4 24 25.1 26.6
°F 81.6 82.4 82 81 79.3 76.9 75 74.1 74.1 75.1 77.3 79.9

Wind speed

The graph below shows the average wind speed.

Grand Baie average winspeed by month (km/h) Grand Baie average winspeed by month (mph)
Average wind speed in Grand Baie (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 14 13 13 14 15 17 17 15 15 13 13
mph 9 9 8 8 9 9 10 11 9 9 8 8

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.

Grand Baie relative humidity averages
Average relative humidity in Grand Baie
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 84% 84% 83% 81% 80% 80% 80% 79% 79% 79% 81%

Other monthly averages

UV index Best time to go?

Grand Baie weather stats

Grand Baie weather statistics
Hottest month: February 29.5°C 85.1°F
Driest month: October 50mm 2ins
Sunniest month: July 7.7hrs
Coldest month: August 24.5°C 76.1°F
Wettest month: February 242mm 9.5ins
Warmest sea: February 28°C 82.4°F
Map showing location of Grand Baie (-20.01816, 57.58015)

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