Weather & Climate

Fiji’s tropical weather is one of the best in the world. The rainy season is from November to April while the dry season is from May to October. However over the years, these weather patterns have slightly changed as heavy rains and unexpected floods pour in the middle of the year.

Nausori sits on the leeward side of Viti Levu and lately has experienced an evolution of different weather patterns. Annual rainfall for Nausori is an average of 2000mm yearly while the higher mountain ranges of Naitasiri receives an average rainfall of up to 6000mm. The rainfall is brief and the temperature ranges from 28oc to 30oC which is not erratic but the severe rainfall does impact the low-lying areas of the Rewa Delta.

Cyclones do affect Nausori, mainly during the wet season. Climatic conditions are often warm and humid depending on the weather patterns which is normally warm during the dry season to very cold in the wet season.

Rainfall & Temperature Outlook

The SCOPIC model rainfall predicts that:

Central Division : Average to below average (Confidence – moderate to good)

Global Rainfall Models (e.g. ECMWF, NSIPP, IRI, NCEP, etc):
The leading global climate prediction models favour average to above average rainfall in the Fiji region over the same period (Figures 3a & 3b: two of the several global climate models referred to by FMS)

July to September 2012 Rainfall Outlook

The SCOPIC model rainfall predicts that:

Central Division : Average (Confidence – very low to low)

Temperature Outlook

The maximum and minimum air temperatures over Fiji in 2012 are predicted to be around normal during the April to June and the July to September periods.

In the Central Division, predictions were 42% consistent with 5 situations of no clear indications and 3 predictions with equal chances of having below average, average and above average category.

During the dry season, the stations in this region recorded few no clear indications and equal chances of below average, average and above average rainfall, whereas during the wet season, the verified forecasts were either a hit or a miss forecast. The skills were generally low to moderate in the Central Division.