Nuku‘alofa Weather in May
In Nuku‘alofa, May brings high daytime temperatures around 26°C (79°F), with nights cooling to 24°C (75°F). Expect quite a bit of rainfall this month.
Rainfall in Nuku‘alofa in May
Rain is expected on roughly 17 days, totalling around 109 mm (4.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Nuku‘alofa in May
Nuku‘alofa in May gets highs of 26°C (79°F) during the day and drops to 24°C (75°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tonga, check out our Nuku‘alofa's climate page.
Nuku‘alofa Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nuku‘alofa typically stay consistent throughout May, with daily highs averaging around 26°C (79°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 22°C (72°F).
Average temperatures in May
Historical weather for Nuku‘alofa in May
Browse day-by-day weather records for Nuku‘alofa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nuku‘alofa historical weather extremes in May
Based on 29 years of weather observations in Nuku‘alofa between 1997 and 2026, these are the recorded extremes.
- The hottest May day on record in Nuku‘alofa reached 31°C (88°F) (May 2, 2025).
- The lowest daytime temperature in May was 21°C (70°F), recorded on May 20, 2012.
- The coldest night in May in Nuku‘alofa was on May 22, 2026, 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 →
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What to Wear in Nuku‘alofa in May
Warm weather calls for comfortable, breathable clothing in May. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Nuku‘alofa 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 Tonga, check out our Nuku‘alofa's climate page.
See the full Nuku‘alofa climate overview or explore weather in Tonga.