Temperature
Hot by day, warm at night.
90°Ftypical May high
Typical range
May climate
May in Sanya
China · East Asia
Humid air is the main limitation.
Wet but workable
Early to mid
Daytime high
90°F
Lows around 78°F
Rain
Rain most days
Sun
10.5 h/day
Air feel
Very humid
Sea temp
83°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 22 wet days, more than in most months.
71%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.3 hMay sunshine
Heat & humidity by month
Very hot days with very humid air.
86%May Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In May, afternoons feel about 97° and nights feel near 89°.
ComfortableWarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
24%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
4 mphMay Calm
Sea temperature
83°FMay sea temp
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 87°F, easing to about 82°F in early evening.
Avg temp Typical range
Morning84°F
Feels 94°F
Rain42%
Cloud74%
Humid airVery high
Sun intensityModerate
Midday88°F
Feels 97°F
Rain60%
Cloud75%
Humid airVery high
Sun intensityStrong
Late afternoon87°F
Feels 96°F
Rain58%
Cloud74%
Humid airVery high
Sun intensityModerate
Early evening82°F
Feels 92°F
Rain20%
Cloud70%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 76 | 62 | 0.5 | 3 | 8.8 | 82 | 74 |
| Feb | 78 | 65 | 0.6 | 4 | 9.0 | 83 | 73 |
| Mar | 82 | 70 | 1.1 | 6 | 10.1 | 84 | 75 |
| Apr | 86 | 75 | 3.3 | 14 | 10.7 | 84 | 79 |
| May | 90 | 78 | 7.0 | 22 | 10.3 | 85 | 83 |
| Jun | 90 | 80 | 8.1 | 24 | 9.9 | 85 | 85 |
| Jul | 89 | 79 | 10.3 | 25 | 9.5 | 86 | 85 |
| Aug | 89 | 79 | 10.6 | 27 | 9.0 | 87 | 85 |
| Sep | 88 | 77 | 10.3 | 25 | 8.5 | 86 | 85 |
| Oct | 86 | 74 | 6.9 | 16 | 9.3 | 84 | 83 |
| Nov | 83 | 70 | 2.1 | 7 | 9.6 | 82 | 80 |
| Dec | 77 | 64 | 0.9 | 3 | 9.0 | 80 | 76 |
Similar climates
Similar
Similar travel styleBridgetownBarbadosSimilar travel styleCancúnMexicoSimilar travel styleNassauBahamasSimilar travel stylePunta CanaDominican Republic
Want a side-by-side climate view? Compare Sanya with Bridgetown.
Climate data notePlanning guidance, not a forecast
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