Temperature
Warm by day, mild at night.
Not the best time: Heavier storm-season rain and humid air are the main limitations.

Warm by day, mild at night.
It rains on most days. About 28 wet days, more than in most months.
Cloudier spells limit sunshine.
Warm days, with humid periods.
In July, afternoons feel about 87° and nights feel near 76°.
Mostly cloudy skies this month.
Calm winds are typical in July.
July late afternoons are around 79°F, easing to about 76°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 66 | 52 | 1.5 | 8 | 9.2 | 77 |
| Feb | 68 | 54 | 1.8 | 8 | 9.5 | 77 |
| Mar | 72 | 58 | 2.9 | 12 | 10.3 | 77 |
| Apr | 76 | 63 | 4.9 | 17 | 10.2 | 78 |
| May | 79 | 67 | 8.4 | 23 | 9.8 | 80 |
| Jun | 82 | 69 | 12.7 | 25 | 9.6 | 81 |
| Jul | 82 | 71 | 18.7 | 28 | 9.8 | 82 |
| Aug | 82 | 70 | 19.6 | 29 | 8.8 | 83 |
| Sep | 81 | 69 | 13.4 | 25 | 9.6 | 82 |
| Oct | 78 | 66 | 7.4 | 18 | 10.0 | 81 |
| Nov | 74 | 61 | 2.7 | 10 | 9.5 | 80 |
| Dec | 68 | 54 | 1.7 | 8 | 9.1 | 79 |
Similar climates
Want a side-by-side climate view? Compare Sun Moon Lake with Sapa.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology