Ono-i-lau Weather in May
May in Ono-i-lau averages 26°C (79°F) during the day and 24°C (75°F) at night. Quite a bit of rainfall is typical this month, with around 103 mm (4.1 in) on average. An umbrella is a good idea.
Rainfall in Ono-i-lau in May
On average, there are about 18 days with rain during this month, averaging 103 mm (4.1 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Ono-i-lau in May
Expect highs of 26°C (79°F) in Ono-i-lau in May, with nights dropping to around 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Average water temperature in May
The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you prefer dry days with pleasant temperatures, July and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Fiji, check out our Ono-i-lau's climate page.
Ono-i-lau Temperature in May
Min Temperature
24°C (75°F)
Max Temperature
26°C (79°F)
Water Temperature
25°C (77°F)
Chance of Rain
60%
Precipitation
103 mm (4.1 in)
Rainy days
18 days
Humidity
80%
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Ono-i-lau typically stay consistent throughout May, with daily highs averaging around 26°C (79°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 24°C (75°F).
Average temperatures in May
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Ono-i-lau in May
Browse day-by-day weather records for Ono-i-lau spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Best Places in Fiji in May
Find out more about the weather in Fiji and which places have the best travel conditions in this month. See all of Fiji in May →
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What to Wear in Ono-i-lau in May
Warm but pleasant conditions in Ono-i-lau in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Ono-i-lau in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Fiji, check out our Ono-i-lau's climate page.
Temperature Rainfall Humidity Water Temp
See the full Ono-i-lau climate overview or explore weather in Fiji.
