Region in Nantou, Taiwan
Sun Moon Lake weather by month and the best time to visit
When to go to Sun Moon Lake
Spring and autumn are mild and clear. Summer is warm with afternoon rain and typhoons; winter is cool. Weekends and holidays are crowded.
Sun Moon Lake weather by month
Average daily high, rainfall and conditions.
- Jan20°49 mm
- Feb22°45 mm
- Mar23°82 mm
- Apr26°115 mm
- May28°256 mm
- Jun28°312 mm
- Jul29°216 mm
- Aug29°329 mm
- Sep28°187 mm
- Oct27°60 mm
- Nov25°46 mm
- Dec22°42 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 20°C68°F | 11°C52°F | 49 mm | 74% | Pleasant |
| February | 22°C71°F | 12°C54°F | 45 mm | 74% | Pleasant |
| March | 23°C74°F | 14°C58°F | 82 mm | 73% | Pleasant |
| April | 26°C79°F | 18°C64°F | 115 mm | 74% | Pleasant |
| May | 28°C82°F | 21°C69°F | 256 mm | 78% | Rainy |
| June | 28°C82°F | 22°C72°F | 312 mm | 84% | Very wet |
| July | 29°C84°F | 23°C74°F | 216 mm | 83% | Rainy |
| August | 29°C84°F | 23°C74°F | 329 mm | 84% | Very wet |
| September | 28°C83°F | 22°C72°F | 187 mm | 82% | Rainy |
| October | 27°C81°F | 20°C67°F | 60 mm | 75% | Pleasant |
| November | 25°C78°F | 17°C63°F | 46 mm | 74% | Pleasant |
| December | 22°C71°F | 13°C56°F | 42 mm | 73% | Pleasant |
Best months across Taiwan
| Place | Best months | Warmest month |
|---|---|---|
| Taipei | Mar–Apr, Oct–Nov | Jul (30°C) |
| Tainan | Nov–Mar | Jul (30°C) |
| Kaohsiung | Feb–Mar, Nov–Dec | Jul (30°C) |
| Taichung | Mar–Apr, Oct–Nov | Jul (31°C) |
| Hualien | Mar–May, Oct–Nov | Jul (30°C) |
| Jiufen | Mar–Apr, Oct–Nov | Jul (28°C) |
| Sun Moon Lake | Mar–Apr, Oct–Nov | Jul (29°C) |
| Kenting | Mar–Apr, Oct–Nov | Jul (29°C) |
| Alishan | Mar–Apr, Oct–Dec | Jul (30°C) |
| Taitung | Apr–May, Oct–Nov | Jul (32°C) |
| Hsinchu | Apr, Oct–Dec | Jul (32°C) |
| Penghu | Apr–Jun, Sep | Jul (28°C) |
| Xiaoliuqiu | Apr–Jun, Sep–Oct | May (31°C) |
Quick answers
What is the best month to visit Sun Moon Lake?
Mar–Apr, Oct–Nov. Spring and autumn are mild and clear. Summer is warm with afternoon rain and typhoons; winter is cool. Weekends and holidays are crowded.
When is the rainy season in Sun Moon Lake?
Rain peaks in August with about 329 mm. Months with 150 mm or more: May–Sep.
What is the hottest month in Sun Moon Lake?
July, with average highs of 29°C (84°F).
How cold does Sun Moon Lake get?
The coolest nights are in January, averaging 11°C (52°F).
More about Sun Moon Lake
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Sources
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. Temperatures are adjusted by 1.1°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.