Rach Gia weather by month & the best time to visit
🇻🇳 Vietnam · coastal city break · tropical — wet & dry seasons climate
The best time to visit Rach Gia is January — its sunniest month (Sunshine Score 88/100), with December close behind. Rach Gia averages about 2,207 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 20 mm of rain in January.
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- Sun hours / year
- 2,207
- Sunniest month
- January
- Peak score
- 88/100
- Rain / year
- 1,476 mm
- Midday UV at peak
- 11 (extreme)
- Sea at warmest
- 32°C / 90°F
- Population
- 460k
- Elevation
- Sea level
When is the best time to visit Rach Gia?
For sunshine, the best time to visit Rach Gia is January, then December. The dullest month is April (57/100, 59 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rach Gia?
Rach Gia gets a moderate 2,207 hours of sunshine a year. January (88/100) is noticeably better than April (57). It ranks #10 of 22 destinations in Vietnam for annual sunshine, above the national median of 2,124 hours. Rain has a clear season: the wettest stretch, around August, carries about 44% of the annual 1,476 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 88 | 31° / 88°F | 22° / 72°F | 20 mm | 9 | 29° / 84°F |
| February | 72 | 34° / 93°F | 23° / 73°F | 11 mm | 11 | 29° / 84°F |
| March | 61 | 35° / 95°F | 24° / 75°F | 28 mm | 11 | 30° / 86°F |
| April | 57 | 35° / 95°F | 26° / 79°F | 59 mm | 11 | 32° / 90°F |
| May | 66 | 32° / 90°F | 27° / 81°F | 142 mm | 9 | 32° / 90°F |
| June | 64 | 30° / 86°F | 26° / 79°F | 211 mm | 8 | 31° / 88°F |
| July | 64 | 29° / 84°F | 26° / 79°F | 214 mm | 8 | 29° / 84°F |
| August | 64 | 29° / 84°F | 26° / 79°F | 205 mm | 9 | 30° / 86°F |
| September | 64 | 29° / 84°F | 25° / 77°F | 237 mm | 9 | 29° / 84°F |
| October | 64 | 29° / 84°F | 25° / 77°F | 192 mm | 9 | 30° / 86°F |
| November | 70 | 30° / 86°F | 24° / 75°F | 116 mm | 9 | 30° / 86°F |
| December | 84 | 30° / 86°F | 22° / 72°F | 41 mm | 8 | 29° / 84°F |
Sea temperature in Rach Gia by month
The sea off Rach Gia is warmest in April at around 32°C / 90°F, and coolest in January at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Rach Gia on the interactive sunshine globe →
Nearby places for sunshine
- Can Tho Vietnam · 65 km · best in Jan · 2,364 h sun/yr
- Phu Quoc Vietnam · 127 km · best in Feb · 2,237 h sun/yr
- Phnom Penh (Boeng Khyang) Cambodia · 158 km · best in Dec · 2,484 h sun/yr
- Phnom Penh (Pou Senchey) Cambodia · 179 km · best in Dec · 2,484 h sun/yr
- Ho Chi Minh City Vietnam · 192 km · best in Jan · 2,456 h sun/yr
- Con Dao Vietnam · 214 km · best in Feb · 2,477 h sun/yr
Nearest destinations
- Cà Mau Vietnam · 87 km · 2,208 h sun/yr · best in Feb
- Sihanoukville Cambodia · 178 km · 2,236 h sun/yr · best in Jan
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