Monthly climate guide
Rạch Giá weather in May
May in Rạch Giá is typically very hot, with average daytime highs around 33°C (91°F) and night-time lows near 27°C (81°F). The month usually brings about 160 mm of rain (very wet) and is often cloudy. Daytime highs are 2°C cooler than April and 3°C warmer than June.
What stands out in May
- Nights stay warm, rarely below 27°C — air-conditioning helps.
- Humidity near 76% makes 33°C feel stickier than it sounds.
- There's little difference between day and night (around 6°C).
- Just 190 km apart, but Rạch Giá runs about 2°C cooler than Ho Chi Minh City this month.
Avg high
33°C
91°F
Avg low
27°C
81°F
Rainfall
160 mm
very wet
Humidity
76%
relative
Sky
82%
cloud · often cloudy
Rạch Giá weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 32°C / 89°F | 23°C / 73°F | 29 mm | 75% | 61% |
| February | 34°C / 93°F | 23°C / 74°F | 10 mm | 67% | 49% |
| March | 36°C / 96°F | 25°C / 77°F | 33 mm | 64% | 51% |
| April | 35°C / 96°F | 26°C / 79°F | 67 mm | 67% | 63% |
| May | 33°C / 91°F | 27°C / 81°F | 160 mm | 76% | 82% |
| June | 30°C / 87°F | 26°C / 80°F | 266 mm | 84% | 88% |
| July | 30°C / 85°F | 26°C / 79°F | 230 mm | 86% | 90% |
| August | 29°C / 85°F | 26°C / 79°F | 217 mm | 87% | 88% |
| September | 29°C / 85°F | 26°C / 78°F | 285 mm | 87% | 90% |
| October | 30°C / 85°F | 25°C / 77°F | 218 mm | 87% | 85% |
| November | 30°C / 86°F | 25°C / 76°F | 140 mm | 86% | 79% |
| December | 30°C / 86°F | 23°C / 74°F | 54 mm | 82% | 74% |
What to pack for May
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is May a good time to visit Rạch Giá?
Compare the months in the chart above to find your ideal window.
Best time to visit Rạch Giá →Other Vietnam cities in May
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Rạch Giá weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/vietnam/rach-gia/may
<a href="https://weathercompare.eu/weather/vietnam/rach-gia/may">Rạch Giá weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/vietnam/rach-gia" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Rạch Giá weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/vietnam/rach-gia/may">Rạch Giá weather in May</a> – WeatherCompare</p>
Rạch Giá in May: quick answers
Is May a good time to visit Rạch Giá?
It can be, if you like heat: May highs in Rạch Giá are around 33°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Rạch Giá in May?
Average highs are about 33°C (91°F) and average lows about 27°C (81°F), based on 10 years of daily data.
Does it rain a lot in Rạch Giá in May?
Rạch Giá typically gets around 160 mm of rain in May — very wet.
Figures are long-term averages for the area around Rạch Giá (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.