Jamaica Climate
Enhancing farming through weather and climate information!


Jamaica Fruits

Climate Branch / Meteorological Service




Brief Summary: Through the period of August to October the computer models are indicating normal to above normal in rainfall amount across most areas with warmer than normal temperatures.As we enter the peak of the hurricane season forecast models are growing in confidence as environmental and local factors remain favourable for increase rainfall. 

The forecast for August to October are indicating an increase in rainfall amounts as we enter the peak of the Hurricane season. Therefore, the predictions for the next three months are for above normal rainfall with little or no drought impacts especially over northern parishes. 

To view our Google Earth 3D drought maps use the following link listed below to download our image files:
Google Earth need to be install on your PC 

SPI Data Used In Jamaica Drought Monitor



SPI Values 

 Near Normally Drying (40%tile)

 0.0 to -0.4 

Abnormally Dry


-0.5 to -0.7 

Moderate Drought


-0.8 to -1.2 

Severe Drought


-1.3 to -1.5 

Extreme Drought


-1.6 to -1.9 

Exceptional Drought


-2.0 or less 


SPI Values 

Near Normally Wetness (60%tile)

 0.0 to 0.4 

Abnormally Wetness (70%tile)

0.5 to 0.7 

Moderate Wetness


0.8 to 1.2 

Severe Wetness


1.3 to 1.5 

Extreme Wetness


1.6 to 1.9 

Exceptional Wetness


2.0 or more 

Near normal drying and Abnormally Dry …are used for areas showing dryness but not yet in drought

Near normal wetness and Abnormally wetness …are used for areas recovering from drought.