Climate guide for Nuku'alofa, Tonga

Nuku'alofa in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

May · Tonga

Best time to visit Nuku'alofa in May Weather, crowds & prices

Weather in Nuku'alofa in May

Average temperature 24°C, 175 mm of rain, about 25 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

5.5/10

Ranked #6 of 12 months

Full year for Nuku'alofa
Avg temp
24°C
Rainfall
175 mm
Humidity
76%
Days with 6h+ sun
25
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

May in Nuku'alofa scores 5.5/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 24°C, 175 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.

Nuku'alofa is Tonga's waterfront capital, with markets, royal and church landmarks, local food, and road access to Tongatapu's blowholes and archaeological sites.

May in Nuku'alofa — workable with trade-offs

At 24°C (76°F) this is comfortable city weather in May, with sightseeing easiest before lunch and after the afternoon peak.

175 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 5.5/10 on the same scale — 6th of 12 months, versus 8.1/10 for the best month here.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Budget for low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.

If your dates are flexible, September is materially better in Nuku'alofa — 2.6 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Nuku'alofa in May?
In May, Nuku'alofa averages 24°C, 175 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
Is May a good time to visit Nuku'alofa?
May earns a 5.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nuku'alofa in May?
Expect about 175 mm of rain in May. Average humidity is 76% and there are about 25 days with 6+ hours of sunshine.

Curated in Nuku'alofa

Tickets & experiences

Things to do in Nuku'alofa

Nuku'alofa, Tonga. Live activities and tours from GetYourGuide, matched to this destination.