Ho Chi Minh City vs Phnom Penh (Boeng Khyang): which is sunnier?
🇻🇳 Vietnam vs 🇰🇭 Cambodia · 198 km apart · long-term climate normals (NASA POWER, 2001–2020)
Ho Chi Minh City and Phnom Penh (Boeng Khyang) are virtually tied for annual sunshine — about 2,456 vs 2,484 hours a year. Ho Chi Minh City has the higher Sunshine Score in 2 of 12 months, Phnom Penh (Boeng Khyang) in 1 (9 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Ho Chi Minh City | Phnom Penh (Boeng Khyang) | |
|---|---|---|
| Sunshine hours / year | 2,456 | 2,484 |
| Sunniest month | January (91/100) | December (88/100) |
| Nov–Feb average score | 80/100 | 73/100 |
| Jun–Aug average score | 66/100 | 66/100 |
| Rain / year | 1,373 mm | 1,242 mm |
| Peak midday UV | 12 (extreme) | 11 (extreme) |
Ho Chi Minh City vs Phnom Penh (Boeng Khyang) month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Ho Chi Minh City | Phnom Penh (Boeng Khyang) | Ho Chi Minh City | Phnom Penh (Boeng Khyang) | Ho Chi Minh City | Phnom Penh (Boeng Khyang) | |
| January | 91 | 72 | 32° | 34° | 11 | 16 |
| February | 65 | 55 | 35° | 36° | 6 | 11 |
| March | 45 | 44 | 37° | 37° | 13 | 30 |
| April | 43 | 41 | 37° | 37° | 41 | 62 |
| May | 53 | 56 | 34° | 34° | 155 | 129 |
| June | 66 | 66 | 31° | 32° | 212 | 190 |
| July | 66 | 66 | 30° | 31° | 207 | 163 |
| August | 66 | 66 | 30° | 30° | 191 | 167 |
| September | 66 | 66 | 30° | 30° | 190 | 190 |
| October | 66 | 66 | 30° | 30° | 215 | 167 |
| November | 75 | 77 | 30° | 31° | 100 | 89 |
| December | 87 | 88 | 31° | 32° | 32 | 28 |
The sunnier month by month: Jan Ho Chi Minh City · Feb Ho Chi Minh City · Mar even · Apr even · May Phnom Penh (Boeng Khyang) · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: Ho Chi Minh City (average score 80/100 vs 73). Daytime highs are similar (32°C vs 33°C). See the winter sun ranking.
- March–May: too close to call — Ho Chi Minh City averages 47/100, Phnom Penh (Boeng Khyang) 47/100. Daytime highs are similar (36°C vs 36°C).
- June–August: too close to call — Ho Chi Minh City averages 66/100, Phnom Penh (Boeng Khyang) 66/100. Daytime highs are similar (30°C vs 31°C).
- September–October: too close to call — Ho Chi Minh City averages 66/100, Phnom Penh (Boeng Khyang) 66/100. Daytime highs are similar (30°C vs 30°C).
Full month-by-month guides: Ho Chi Minh City weather by month · Phnom Penh (Boeng Khyang) weather by month · Best time to visit Vietnam.
More comparisons: Ho Chi Minh City vs Phnom Penh (Pou Senchey) · Ho Chi Minh City vs Can Tho · Ho Chi Minh City vs Con Dao · Phnom Penh (Boeng Khyang) vs Phnom Penh (Pou Senchey) · Phnom Penh (Boeng Khyang) vs Can Tho · Phnom Penh (Boeng Khyang) vs Phu Quoc · all head-to-heads