Rach Gia
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Rach Gia Weather in December

December in Rach Gia brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 24°C (75°F). Quite a bit of rainfall is expected, around 66 mm (2.6 in), so pack an umbrella.

Rainfall in Rach Gia in December

On average, there are about 10 days with rain during this month, averaging 66 mm (2.6 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Rach Gia in December

December in Rach Gia brings very high temperatures, with highs of 31°C (88°F) and nights around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Rach Gia in December

With approximately 230 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Rach Gia Temperature in December

Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
34%
Precipitation
66 mm (2.6 in)
Rainy days
10 days
Humidity
79%
Sunshine
230 hours
Percentage Sunshine

Rach Gia Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Rach Gia - and find the best time to visit.

Daily Historical Temperatures

31-year average (1995-2025)

Based on our historical records, temperatures in Rach Gia typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in December

Daily Historical Precipitation

31-year average (1995-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

Historical weather records for Rach Gia in December

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 December

Based on weather observations in Rach Gia between 1998 and 2025, these are the recorded extremes during December.

  • Rach Gia recorded its highest December temperature of 34°C (93°F) on December 12, 2015.
  • The lowest daytime temperature in December was 21°C (70°F), recorded on December 14, 1998.
  • The coldest night in December in Rach Gia was on December 26, 1999, with a minimum of 18°C (64°F).

Best Places in Vietnam in December

Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in December →

perfect weather
pleasant
tolerable
unpleasant
poor

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).

What to Wear in Rach Gia in December

Warm weather calls for comfortable, breathable clothing in December. 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). Rain is likely on several days, so bring a good rain jacket. 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 December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Rach Gia 3-Day Forecast

More climate data for Rach Gia

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.