Weather Comparison
Side-by-side weather comparison for October
| Metric | Nha Trang | Phnom Penh | Better |
|---|---|---|---|
| Average HighHigher is warmer | 28°C (82°F) | 30°C (86°F)▲ | Phnom Penh |
| Average LowHigher is milder | 24°C (75°F) | 24°C (75°F) | Tie |
| Rain DaysFewer is drier | 26 days | 25 days▲ | Phnom Penh |
| PrecipitationLess is drier | 276 mm | 249 mm▲ | Phnom Penh |
| Sunshine HoursMore is sunnier | 9h/day | 9h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 9 km/h▲ | 11 km/h | Nha Trang |
Nha Trang and Phnom Penh are closely matched in October. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Nha Trang sits in the comfortable travel range at 28°C. Phnom Penh runs hot at 30°C.
For travelers who prioritize dry weather, Phnom Penh is the stronger choice in October.
Nha Trang reaches an average high of 28°C (82°F) and drops to 24°C (75°F) at night during October. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Phnom Penh averages 30°C (86°F) for the high and 24°C (75°F) for the low, with a daily range of 6°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.
Nha Trang receives approximately 276 mm of rainfall across 26 rain days during October. Rain is frequent, so waterproof gear is essential.
Phnom Penh sees 249 mm over 25 rain days. That makes Phnom Penh the drier option by 1 rain day and 27 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 28°C, lows of 24°C, 26 rain days
Highs of 30°C, lows of 24°C, 25 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during October.
The table below shows average high temperatures and rain days for every month. October is highlighted for quick reference.
| Month | Nha Trang | Phnom Penh | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 26°C | 10d | 32°C | 3d |
| Feb | 27°C | 6d | 33°C | 2d |
| Mar | 29°C | 9d | 35°C | 6d |
| Apr | 31°C | 12d | 35°C | 14d |
| May | 32°C | 23d | 34°C | 23d |
| Jun | 32°C | 24d | 32°C | 24d |
| Jul | 32°C | 24d | 32°C | 25d |
| Aug | 32°C | 24d | 32°C | 25d |
| Sep | 30°C | 26d | 31°C | 27d |
| Oct | 28°C | 26d | 30°C | 25d |
| Nov | 27°C | 21d | 30°C | 11d |
| Dec | 26°C | 17d | 31°C | 5d |
Nha Trang Weather in October
Full forecast, packing tips, and activities
Phnom Penh Weather in October
Full forecast, packing tips, and activities