Fiji’s calm seas belie the riot of life going on within. Rainfall is frequent especially between November and April and generally we see higher rainfall on the eastern and south eastern parts of Fiji (for example, Suva) that are more exposed to … The average minimum temperature (usually the minimum temperature is noted during the night) in Denarau in August is 18.0°C (64.4°F). The August weather guide for Taveuni, Fiji shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Despite my 20 tropical vacations in the south sea's I am not a fan of hot weather, I like warm not extreme heat. You can check out the history of September weather in FIji here – Fiji Weather in September . Fiji’s Climate. Find out more about our data sources.
Most of my trips to Fiji have been in August. Average Weather during August in Denarau (Viti Levu), Fiji. Planning in Fiji. Fiji weather in August is pretty hot with temperatures of 23.5° and 24.7° degrees, might be good for outdoors activity. Temperature In Nadi, the average high-temperature is 28.7°C (83.7°F), and the average low-temperature is 18.4°C (65.1°F). Afternoon showers and humidity increase although it is still dry and certainly less humid than the official wet season.
Fiji has a tropical maritime climate, hot and humid but tempered by trade winds, particularly in the winter months.

The amount of rain in August is normal with an average of 59mm (2.3in). Weather in Fiji – October. During Fiji's "winter" -- July and August -- temperatures are more moderate. Daylight In Nadi, the average length of the day is 11.5h. August is a hot and dry time for sunbathing in Fiji.August is a good month for swimming in Fiji with warm sea temperatures. The month of September brings more rain free conditions! Weather in Fiji – August. The average maximum temperature lies around 28.0°C (82.4°F). Stretches of sunny days can be interspersed by overcast periods wich can last for more than a day or two. Weather in August. October weather in Fiji tends to be very dry and windy, with temperatures ranging between 26°C to 30°C. With seemingly endless stretches of intensely coloured reefs and more than 1500 species of fish and colossal creatures Fiji’s underwater world is worth the plunge. Consider visiting Fiji Islands in the months of May, July, September, October, for the best beach weather.Also consider one of our other suggestions for August. Weather in Fiji – September. *The Nadi - Tropical Cyclone Centre was officially designated by WMO in June 1995 as a Regional Specialised Meteorological Centre (RSMC) with activity specialization in tropical cyclones tasked to provide "first-level" information in tropical cyclones (ie, basic information covering the tropical cyclones' present and forecast position, movement and intensity) in the South-West Pacific Ocean. August sees a slight increase in rainfall as we move closer to the hotter months of the year. Since there are on average 28 rainy days and high volume of precipitation in Fiji in August, an umbrella is a must and a good clothing suitable for rain. Coolest Temperatures. August is a hot and dry time for sunbathing in Fiji Islands.August is a good month for swimming in Fiji Islands with warm sea temperatures. Consider visiting Fiji in the months of May, July, September, October, for the best beach weather.Also consider one of our other suggestions for August. Rainfall During August, Nadi regularly aggregates up to 59mm (2.3") of precipitation.Throughout the year, 1826mm (71.9") of rain is accumulated.