Phnom Penh (Boeng Khyang) weather by month & the best time to visit
🇰🇭 Cambodia · city break · tropical — wet & dry seasons climate
The best time to visit Phnom Penh (Boeng Khyang) is December — its sunniest month (Sunshine Score 88/100). Phnom Penh (Boeng Khyang) averages about 2,484 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 28 mm of rain in December.
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- Sun hours / year
- 2,484
- Sunniest month
- December
- Peak score
- 88/100
- Rain / year
- 1,242 mm
- Midday UV at peak
- 11 (extreme)
- Population
- 1.6M
- Elevation
- 6 m
When is the best time to visit Phnom Penh (Boeng Khyang)?
For sunshine, the best time to visit Phnom Penh (Boeng Khyang) is December. The dullest month is April (41/100, 62 mm of rain). The full month-by-month picture is in the table below.
How sunny is Phnom Penh (Boeng Khyang)?
Phnom Penh (Boeng Khyang) gets a moderate 2,484 hours of sunshine a year. 47 Sunshine Score points separate December (88) from April (41), so the month you pick matters. It ranks #2 of 5 destinations in Cambodia for annual sunshine, right at the national median of 2,484 hours. Rain has a clear season: the wettest stretch, around September, carries about 42% of the annual 1,242 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 72 | 34° / 93°F | 22° / 72°F | 16 mm | 10 |
| February | 55 | 36° / 97°F | 23° / 73°F | 11 mm | 11 |
| March | 44 | 37° / 99°F | 25° / 77°F | 30 mm | 10 |
| April | 41 | 37° / 99°F | 26° / 79°F | 62 mm | 10 |
| May | 56 | 34° / 93°F | 25° / 77°F | 129 mm | 11 |
| June | 66 | 32° / 90°F | 25° / 77°F | 190 mm | 10 |
| July | 66 | 31° / 88°F | 24° / 75°F | 163 mm | 10 |
| August | 66 | 30° / 86°F | 24° / 75°F | 167 mm | 10 |
| September | 66 | 30° / 86°F | 24° / 75°F | 190 mm | 10 |
| October | 66 | 30° / 86°F | 24° / 75°F | 167 mm | 10 |
| November | 77 | 31° / 88°F | 23° / 73°F | 89 mm | 10 |
| December | 88 | 32° / 90°F | 22° / 72°F | 28 mm | 10 |
See Phnom Penh (Boeng Khyang) on the interactive sunshine globe →
Nearby places for sunshine
- Phnom Penh (Pou Senchey) Cambodia · 22 km · best in Dec · 2,484 h sun/yr
- Can Tho Vietnam · 166 km · best in Jan · 2,364 h sun/yr
- Phu Quoc Vietnam · 167 km · best in Feb · 2,237 h sun/yr
- Ho Chi Minh City Vietnam · 198 km · best in Jan · 2,456 h sun/yr
- Con Dao Vietnam · 347 km · best in Feb · 2,477 h sun/yr
- Buon Ma Thuot Vietnam · 377 km · best in Feb · 2,094 h sun/yr
Nearest destinations
- Rach Gia Vietnam · 158 km · 2,207 h sun/yr · best in Jan
- Sihanoukville Cambodia · 166 km · 2,236 h sun/yr · best in Jan
- Ta Noun Cambodia · 191 km · 2,235 h sun/yr · best in Jan
Head-to-head
How Phnom Penh (Boeng Khyang) compares month by month: Phnom Penh (Boeng Khyang) vs Ho Chi Minh City · Phnom Penh (Boeng Khyang) vs Phnom Penh (Pou Senchey) · Phnom Penh (Boeng Khyang) vs Can Tho · Phnom Penh (Boeng Khyang) vs Phu Quoc · all comparisons
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