The north-west side of the main island, Viti Levu, tends to be slightly hotter, less humid and drier.
The south-east side gets more rain, which raises the humidity.
As a general rule, the main islands, Viti Luvu and Vanua Levu tend to have slightly higher rainfall that the smaller outlying islands. And the further north-west that you go, you would expect it to the dryer (and hotter) the climate becomes. Not so, our time in Savusavu was very wet compared to Nadi, Nadi was in a drought while Savusavu and Suva hills were covered in green grass.
Many people like to take their Fiji vacations during the freezing winter months in NZ and South Australia. The average temperatures during these winter months in Nadi are around 26°C with an overnight low of 19°C.Plus the wind form the West starts to pick up this time of the year.
25/5/2015 Our trip out to one of the island last weekend was fantastic but we found the water to be a lot cooler then around December to February and the wind was a nuisance because it blew the sand along the beach and into our face.so we had to find a sheltered spot out of the wind but in the sun to warm up. Another reason for choosing this time of the year, is the lower humidity and less rain. The equivalent to a pleasant New Zealand summers day!
The trade winds come from this direction. This bring the rain clouds, which tend to drop their load once they make landfall. The main island of Viti Levu is broken into two by a mountain range that runs from top to bottom...this is the point at which the climate begins to change from wet to dry.
I have spoken to people born and bred in Suva, and they have commented how difficult it was to acclimatize to the dryer conditions experienced in the west. Even during the rainy season, most of the short heavy showers tend to be morning, late afternoon and night. So much of the day is rain free, and you can get out and about without getting wet and take full advantage of the warm clear tropical water to go snorkeling. Though you will notice many of the locals do carry an umbrella at all times!
Even in the so called "wet season" you can get plenty of lovely hot days and night without rain. last summer we only had a hand full of days were it rained all day. Most of the time it rained late in the afternoon and very early in the morning,by 1000H the sun had dried up all the surface water in time for us to go for a walk. Some people will find the Fijian summer months just too hot and humid. We are Kiwis and love the hot days and warm night and to be able to go for a swim with out freezing to death. If the night is warm and you are staying out in the yasawa Island in a small resort why not sleep out on the tropical beach, we did. If you can't take that sort of weather, then think about coming to Fiji during April-August. There is less rain, less humidity, and the temperature is just about perfect for everyone.
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