October weather forecast
Sanya, China

Sanya in October radiates a welcoming atmosphere as temperatures, rainfall, and humidity begin to decrease. As a note, a significant decrease in rainfall occurs, scaling down from 251mm (9.88") in September to 235mm (9.25"). The arrival of autumn is further confirmed by shorter daylight hours. Despite these changes, October maintains a comfortable vibe that encourages outdoor activities. This month signifies a distinct shift from the wettest September to a comparatively cooler and drier spell.

Temperature

The advent of October brings an average high-temperature of a still tropical 30.2°C (86.4°F), almost identical to the preceding month. During the month of October, Sanya's nighttime temperature lowers to an average of 23.4°C (74.1°F).

Rainfall

In Sanya, in October, it is raining for 13.5 days, with typically 235mm (9.25") of accumulated precipitation. In Sanya, during the entire year, the rain falls for 111.1 days and collects up to 1392mm (54.8") of precipitation.

Sea temperature

In Sanya, in October, the average water temperature is 27.2°C (81°F).
Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

In October, the average length of the day is 11h and 44min.
On the first day of the month, sunrise is at 06:32 and sunset at 18:30. On the last day of October, sunrise is at 06:41 and sunset at 18:10 CST.

Sunshine

In October, the average sunshine is 6h.

UV index

In Sanya, the average daily maximum UV index in October is 10. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 10 during October, leads to the following recommendations:
Precautions are essential; the risk of damage to unprotected skin and eyes is too high. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Be mindful! Sand and water reflections can up the Sun's UV exposure.