Rach Gia Weather in May
May in Rach Gia averages 32°C (90°F) during the day and 27°C (81°F) at night. May is part of the rainy season, with around 241 mm (9.5 in) of rainfall and frequent showers.
Rainfall in Rach Gia in May
Rach Gia is in the rainy season in May, with rain on around 15 days and an average of 241 mm (9.5 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Rach Gia in May
May in Rach Gia brings very high temperatures, with highs of 32°C (90°F) and nights around 27°C (81°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Rach Gia in May
Expect a lot of sunshine this month, with about 208 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Rach Gia. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Rach Gia's climate page.
Rach Gia Temperature in May
Min Temperature
27°C (81°F)
Max Temperature
32°C (90°F)
Chance of Rain
50%
Precipitation
241 mm (9.5 in)
Rainy days
15 days
Humidity
83%
Sunshine
208 hours
Percentage Sunshine
Historical weather for Rach Gia in May
Browse day-by-day weather records for Rach Gia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rach Gia historical weather extremes in May
Based on 27 years of weather observations in Rach Gia between 1999 and 2026, these are the recorded extremes.
- On May 16, 2026, temperatures climbed to 37°C (99°F), marking the warmest May day on record.
- On May 10, 2003, Rach Gia saw its coldest May day with temperatures maxing out at 27°C (81°F).
- The coldest night in May in Rach Gia was on May 30, 2007, with a minimum of 21°C (70°F).
- The wettest May day on record brought 102 mm (4 in) of precipitation to Rach Gia (May 23, 2005).
Best Places in Vietnam in May
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in May →
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What to Wear in Rach Gia 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Rach Gia 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 Vietnam, check out our Rach Gia's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rach Gia climate overview or explore weather in Vietnam.
