Town in Xiangkhouang, Laos
Phonsavan weather by month and the best time to visit
When to go to Phonsavan
Nov–Feb is dry and cold at night; Mar is warm and clearer. Jun–Sep rains turn roads muddy and fields green. Feb–Apr burning brings haze.
Phonsavan weather by month
Average daily high, rainfall and conditions.
- Jan24°11 mm
- Feb26°7 mm
- Mar28°30 mm
- Apr30°59 mm
- May29°129 mm
- Jun28°119 mm
- Jul27°191 mm
- Aug27°221 mm
- Sep27°137 mm
- Oct26°63 mm
- Nov25°22 mm
- Dec23°9 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 24°C74°F | 10°C49°F | 11 mm | 70% | Pleasant |
| February | 26°C79°F | 12°C53°F | 7 mm | 64% | Pleasant |
| March | 28°C83°F | 15°C58°F | 30 mm | 62% | Pleasant |
| April | 30°C86°F | 18°C64°F | 59 mm | 65% | Pleasant |
| May | 29°C85°F | 19°C66°F | 129 mm | 74% | Pleasant |
| June | 28°C82°F | 19°C67°F | 119 mm | 80% | Pleasant |
| July | 27°C81°F | 19°C67°F | 191 mm | 83% | Rainy |
| August | 27°C80°F | 19°C66°F | 221 mm | 85% | Rainy |
| September | 27°C80°F | 18°C65°F | 137 mm | 83% | Pleasant |
| October | 26°C79°F | 16°C60°F | 63 mm | 79% | Pleasant |
| November | 25°C77°F | 13°C55°F | 22 mm | 74% | Pleasant |
| December | 23°C73°F | 10°C49°F | 9 mm | 72% | Pleasant |
Best months across Laos
| Place | Best months | Warmest month |
|---|---|---|
| Luang Prabang | Nov–Feb | Apr (36°C) |
| Vang Vieng | Nov–Feb | Apr (35°C) |
| Vientiane | Nov–Feb | Apr (37°C) |
| 4000 Islands | Nov–Feb | Apr (37°C) |
| Pakse | Nov–Feb | Mar (36°C) |
| Nong Khiaw | Nov–Feb | Apr (35°C) |
| Thakhek | Nov–Feb | Apr (35°C) |
| Phonsavan | Nov–Mar | Apr (30°C) |
Quick answers
What is the best month to visit Phonsavan?
Nov–Mar. Nov–Feb is dry and cold at night; Mar is warm and clearer. Jun–Sep rains turn roads muddy and fields green. Feb–Apr burning brings haze.
When is the rainy season in Phonsavan?
Rain peaks in August with about 221 mm. Months with 150 mm or more: Jul–Aug.
What is the hottest month in Phonsavan?
April, with average highs of 30°C (86°F).
How cold does Phonsavan get?
The coolest nights are in December, averaging 10°C (49°F).
More about Phonsavan
Going to Phonsavan solo?
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Sources
- NASA POWER climatology (2001–2020)
- MAG (Mines Advisory Group) Laos visitor centres
- Lao National Tourism
- Lao Airlines
- Unitel
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.