Sanya
China · East Asia
Year-round range: 64°F to 87°F
January
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
January has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = JanRainfall
Monthly rain and rain days.
January has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
January has decent sunshine — a mix of sun and cloud.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Warm, humid air is the norm here — typical for a tropical beach destination.
January has the expected warm, humid beach air — rain, cloud, and sea conditions matter more.
Time-of-day patterns
Typical hourly rhythm for January.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In January, afternoons reach about 76° and nights settle near 64°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 76°F | 64°F | 5 | 0.3in | 5h | 76.28571428571428% | 74°F |
| Feb | 78°F | 66°F | 3 | 0.4in | 5h | 79.14285714285714% | 73°F |
| Mar | 81°F | 71°F | 5 | 0.8in | 5.1h | 80.85714285714286% | 75°F |
| Apr | 85°F | 76°F | 10 | 2.6in | 5.1h | 81.85714285714285% | 79°F |
| May | 87°F | 79°F | 20 | 4.8in | 4.1h | 83.85714285714286% | 83°F |
| Jun | 87°F | 80°F | 25 | 7.1in | 3.1h | 84.85714285714285% | 85°F |
| Jul | 86°F | 79°F | 26 | 11in | 3.5h | 84.99999999999999% | 85°F |
| Aug | 86°F | 79°F | 26 | 9.6in | 3.3h | 85.71428571428571% | 85°F |
| Sep | 86°F | 77°F | 25 | 11in | 3.5h | 84.99999999999999% | 84°F |
| Oct | 83°F | 75°F | 17 | 11in | 4.5h | 81.28571428571429% | 82°F |
| Nov | 81°F | 71°F | 7 | 3.1in | 5.5h | 77.42857142857143% | 79°F |
| Dec | 77°F | 66°F | 2 | 0.8in | 5h | 74.57142857142857% | 76°F |