Average temperatures within Phnom Penh in December is 24. High average temperature is 30 degrees with a low of 22. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 24 |
| High Temperature | 30 |
| Low Temperature | 22 |
| Sunshine Per Day | 9 |
Useful Links: Phnom Penh Weather: Average Weather & Yearly Climate