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  Jamaica Weather Monthly Climate Data

Port Antonio 

Port Antonio’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 November and the secondary in May. The lowest amounts are at a minimum for the months of February and March. 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 19 and 31 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 Port Antonio area.



Port Antonio average monthly temperatures & rainfall amount

Month

High (ºC)

Low (ºC)

Rainfall (mm)

January

28

19

284

February

28

19

159

March

29

19

116

April

29

20

171

May

30

21

286

June

31

22

242

July

31

22

212

August

31

22

299

September

31

22

239

October

30

22

371

November

29

21

397

December

29

21

266

Port Antonio

 

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