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Neiafu Weather in May
May in Neiafu typically sees daytime highs of 27°C (81°F) and nighttime lows of 25°C (77°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Neiafu in May
Looking at the last 30 years, the data shows about 17 days with rain, averaging 118 mm (4.6 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Neiafu in May
Temperatures in Neiafu in May top out at 27°C (81°F) and drop to 25°C (77°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Average water temperature in May
The water is 26°C (79°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, June, July and August 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.
Neiafu Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
27°C (81°F)
Water Temperature
26°C (79°F) *
Chance of Rain
56%
Precipitation
118 mm (4.6 in)
Rainy days
17 days
Humidity
73% *
Neiafu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Neiafu - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Neiafu typically stay consistent throughout May, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Neiafu in May
Browse day-by-day weather records for Neiafu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Neiafu historical weather extremes in May
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Neiafu.
- Neiafu recorded its highest May temperature of 30°C (86°F) on May 23, 2013.
- The lowest daytime temperature in May was 24°C (75°F), recorded on May 26, 2012.
- The coldest night in May in Neiafu was on May 8, 2018, with a minimum of 15°C (59°F).
Best Places in Tonga in May
Find out more about the weather in Tonga and which places have the best travel conditions in this month. See all of Tonga in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Neiafu in May
Warm but pleasant conditions in Neiafu 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 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 Neiafu in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Neiafu 3-Day Forecast
More climate data for Neiafu
Temperature Rainfall Humidity Water Temp
See the full Neiafu climate overview or explore weather in Tonga.
Popular in May
Where to go in May - average daytime high across popular destinations.
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