Da Nang weather in May
May in Da Nang: sweltering, rainy, with muggy air — fine if you can take 41°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#3 of 12 months in Da Nang · #573 of 1413 destinations to visit in May · comfort 83/100 (tier A)
- Days
- 34°C
- Nights
- 26°C
- Wet days
- 16
- Sun
- 10.8 h
- Humidity
- 83%
- Daylight
- 13 h

Traveller notes on Da Nang in May
May in Da Nang is hot and getting hotter - regulars give a 25 to 31C band and note it is a clear step up from April, with the reassurance that it is still not June or August. Our row runs warmer than their band at 34.1C, and once the 83 percent humidity is counted it reads as 41C, which is the figure to plan the middle of the day around. What May buys you is the water: the sea reaches about 28C, its warmest of the first half of the year, our row saying 28.7C, and My Khe and Non Nuoc are the beaches they name, the latter out towards the Marble Mountains halfway to Hoi An. The month is not dry, at 109mm across 16.1 days. The record: 25.6C nights, 10.8 hours of sun and AQI 88.
Other months in Da Nang
Regulars are direct that this counts as genuinely hot, humid summer weather, with early morning and late afternoon named as the real windows for being outdoors and midday better spent resting or indoors. Our row backs that brutally hot, humid read, 36C reading as a scorching 44C, over 26.4C nights, with 102.5mm of rain across 15 days and humidity at 78 percent. Regulars are consistent that humidity specifically tends to peak overnight rather than during the day, a real factor for anyone choosing accommodation without reliable air conditioning. Slowing the pace, staying hydrated and expecting an afternoon shower most days are the standard local advice for this month. The sea sits at a bath-warm 31.1C. The record: 11 hours of sun, an 11.6 kph wind and AQI 102.
Da Nang-forum threads asking whether to avoid November over heavy rain get a genuinely mixed answer - this does sit at the peak of the wet season locally, and posters are direct that a typhoon tracking through the central coast is a real possibility this time of year, sometimes serious enough to disrupt a whole trip. That said, several regulars report entire November stretches with little to no rain, sunshine holding for days at a time, purely down to which specific week a visit lands on. The standing advice across threads is flexibility - build slack into any itinerary, watch the tropical outlook in the week before travel, and treat a clear day as a bonus rather than an expectation. Beach time on My Khe is a genuine gamble this month either way. The record: an extraordinarily high 495mm across over 23 days, 28.7C days feeling like a punishing 32C, 22.9C nights, a 27.8C sea and 87 percent humidity.
Da Nang-forum threads on January weather describe it as the start of the low-rain season, but posters are candid the transition isn't instant - real rainy days are still common, and one visitor reported needing long trousers, long sleeves and a jacket on several days rather than beach clothes. The sea itself is called too cold for a comfortable swim this early in the year, a genuine surprise for anyone picturing tropical Vietnam. Temperatures overall stay mild and pleasant rather than either hot or cold, comfortable for sightseeing even if the beach isn't fully in play. Posters recommend heading further south along the coast for anyone who specifically wants guaranteed warm beach weather this month, treating Da Nang itself as more of a sightseeing base in January. The record: 25.6C days feeling like 28C, 19.8C nights, a notably high 181mm across 20 days, 86 percent humidity, a 23.1C sea and 6.8 hours of sun.
"April - is it really dry season?" is a real thread title on the Da Nang forum, and the answer regulars give is yes with an asterisk: central Vietnam's dry months run from about April to August with very little falling, but the tropics do not sign contracts and a sudden downpour is still possible. February to May is the window they recommend, and April is the last comfortable month before the heat and humidity of the true summer take over. For the beach the advice is about the clock rather than the calendar - My Khe early or at sunset, out of the direct sun, when the light on the water is the point. The record: 31.6C days that feel like 37C, 24.1C nights, 7.7 precipitation days carrying 79.4mm, humidity 84 percent, a 26.8C sea, AQI 93.
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Da Nang climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Da Nang in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsReunification Day break, Da Nang Fireworks Festival, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Da Nang's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherDa Nang's weather peaks March–May.
May includes Da Nang Fireworks Festival.
Best weatherFair weatherToughest weather
What's on in Da Nang in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Dry, calm beach season
15 Feb – 31 Aug · usuallyDry seasonMy Khe loses its winter shore break and the water goes flat enough to swim off in the morning. The lifeguard flags come down and the beachfront stalls reopen for the season.
- Holiday
Reunification Day break
28 Apr – 4 MaySchool holidaysCrowdedBook earlyReunification Day and May Day run together into the year's biggest domestic travel block, and the central coast beaches are where the country goes. Hotel rates roughly double. Source ↗
- Festival
Da Nang Fireworks Festival
30 May – 11 JulLights & fireCrowdedBook earlySix competition nights spread over about six weeks, with international teams firing over the Han River from a grandstand in the middle of town. Riverside rooms go at a premium on the Saturdays. Source ↗
Nearby, and something's on
Within 300 km of Da Nang — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Da Nang?
Da Nang in May — FAQ
- Is May a good time to visit Da Nang?
- May in Da Nang: sweltering, rainy, with muggy air — fine if you can take 41°C afternoons. It ranks #3 of 12 months for Da Nang on SeasonMap's comfort score (83/100).
- What is the weather like in Da Nang in May?
- In May, Da Nang averages a daily high of 34.1°C and a low of 25.6°C, with about 109 mm of rain over roughly 16.1 rainy days.
- What is the air quality in Da Nang in May?
- Da Nang has a mean US Air Quality Index of about 88 in May.
Within 300 km: Hội An's Full moon lantern night on 1 Jan – 31 Dec, and Hue's Dry season on the Perfume River around 15 Feb – 20 Aug.