Mandeville’s rainfall pattern consists of two peak periods with higher values of rainfall and corresponding periods of lower rainfall amounts. The primary peak occurs in May and the secondary in October. The lowest amounts are at a minimum during the period January and February. This is based on long term reports and deviations from this pattern do occur year to year. The hottest temperatures generally occur between the months of May and October.  

The general monthly temperatures range between 14 and 28 degrees Celsius, however fluctuation between temperatures throughout the day must be taken into consideration.  Mornings tend to be the coolest time of day, with little or no rainfall. While late morning through late afternoon experiences a rise in temperature, with occasional showers with the peak hitting in the mid afternoon.  Early evening into night generally brings cooler temperatures with little or no rainfall. 

The following chart shows the average monthly high and low temperatures as well as the average monthly rainfall amount for the Mandeville area.

Mandeville average monthly temperatures & rainfall amount

Month

High (ºC)

Low (ºC)

Rainfall (mm)

January

26

14

51

February

25

14

70

March

26

15

88

April

27

17

173

May

27

18

268

June

27

19

99

July

28

18

99

August

28

18

158

September

28

18

184

October

28

18

215

November

27

17

150

December

26

16

58