Ono-i-lau Weather in January
During January, Ono-i-lau experiences high daytime temperatures of 28°C (82°F) and cooler nights around 26°C (79°F). January sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Ono-i-lau in January
Ono-i-lau is in the rainy season in January, with rain on around 18 days and an average of 189 mm (7.4 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Ono-i-lau in January
If you're visiting Ono-i-lau in January, expect highs of 28°C (82°F) and overnight lows around 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Average water temperature in January
At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.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 January
Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Water Temperature
26°C (79°F)
Chance of Rain
59%
Precipitation
189 mm (7.4 in)
Rainy days
18 days
Humidity
80%
Daily Historical Temperatures
46-year average (1976-2026)
Based on our historical records, temperatures in Ono-i-lau typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 23°C (73°F) to 25°C (77°F).
Average temperatures in January
Daily Historical Precipitation
46-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Ono-i-lau in January
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 January
Find out more about the weather in Fiji and which places have the best travel conditions in this month. See all of Fiji in January →
perfect weather
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What to Wear in Ono-i-lau in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 26°C (79°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 January
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.
