Explore Tonga
Tonga is the first country of the international date limit. Being the first to start the new day on a peace of paradise is something you might want to add to your bucket list.
May in Toula sees daytime temperatures around 27°C (81°F) and lows of 25°C (77°F) at night. With around 118 mm (4.6 in) of rainfall expected, it's worth packing a rain jacket.
Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Toula - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Toula typically stay consistent throughout May, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 23°C (73°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Toula spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Toula between 2006 and 2026, these are the recorded extremes during 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 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).
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. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Humidity Water Temp
See the full Toula climate overview or explore weather in Tonga.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Explore Tonga
Tonga is the first country of the international date limit. Being the first to start the new day on a peace of paradise is something you might want to add to your bucket list.
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