January weather forecastSanya, China

January

Weather in January

The weather in Sanya, China, during January, marks the start of the year with moderate conditions. January offers the mildest sea temperature of the year at 23.4°C (74.1°F), inviting tourists to enjoy water sports activities. The weather remains comfortable with acceptable rainfall that averages around 8mm (0.31") spread over about three days. There is no significant fluctuation when transitioning from January to February, securing a predictably pleasant weather. The overall climate during January remains agreeable, making it a suitable time for visitors to explore the city's multiple attractions.

Temperature

Sanya witnesses the coldest weather in January, with temperatures averaging a high of 26.1°C (79°F) and a low of 18.5°C (65.3°F).

Rainfall

January is the month with the least rainfall. Rain falls for 3.4 days and accumulates 8mm (0.31") of precipitation.

Sea temperature

In Sanya, in January, the average water temperature is 23.4°C (74.1°F).
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 23.4°C (74.1°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in January is 11h and 11min.
On the first day of January, sunrise is at 07:13 and sunset at 18:16. On the last day of the month, sunrise is at 07:15 and sunset at 18:35 CST.

Sunshine

The months with the least sunshine are January through March, with an average of 5h of sunshine.

UV index

The average daily maximum UV index in January is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 9 suggests this advice:
Never neglect to protect yourself. Eyes and skin can suffer swift damage. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. It's best to minimize time under the direct sun if you burn easily. Protect your skin with a sunscreen of at least 30 SPF. Warning! The Sun's UV rays intensify with reflections from sand and water.

Updated: Jun 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Sanya experiences its lowest temperatures in January, with an average peak of 26.1°C (79°F) and a low of 18.5°C (65.3°F).

The high-temperature, in January, in Sanya, is 26.1°C (79°F), while the low-temperature averages to 18.5°C (65.3°F).

January is the month with the least rainfall. Rain falls for 3.4 days and accumulates 8mm (0.31") of precipitation.

In Sanya, during January, the rain falls for 3.4 days and regularly aggregates up to 8mm (0.31") of precipitation.

In Sanya, the average seawater temperature in January is 23.4°C (74.1°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable.

The average day length in January is 11h and 11min.

On the first day of January, sunrise is at 07:13 and sunset at 18:16. On the last day of the month, sunrise is at 07:15 and sunset at 18:35 CST.

The months with the least sunshine in Sanya are January through March, with an average of 5h of sunshine.

The average sunshine duration in January in Sanya is 5h.

The average daily maximum UV index in January in Sanya is 9. A UV Index of 8 to 10 symbolizes a very high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

26.6°C

26.1°C

26.8°C

Average low temperature

Average rainfall

Average rainfall days

3.7

3.4

3.6

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in January
Sanya, China

Average high temperature in January: 26.1°C

The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is January (26.1°C).

Average low temperature in January: 18.5°C

The month with the highest average low temperature is June (26.1°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).

Average rainfall in January
Sanya, China

Average rainfall in January: 8mm

The wettest month (with the highest rainfall) is September (251.4mm).
The driest month (with the least rainfall) is January (8mm).

Average rainfall days in January
Sanya, China

Average rainfall days in January: 3.4 days

The month with the highest number of rainy days is September (17 days).
The month with the least rainy days is January (3.4 days).

Average sea temperature in January
Sanya, China

Average sea temperature in January: 23.4°C

The best month for swimming (with the highest average sea temperature) is July (29.8°C).
The coldest month (with the lowest average sea temperature) is February (23°C).

Average daylight in January /
Average sunshine in January
Sanya, China

Average daylight in January: 11h and 12min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

Average sunshine in January: 5h

The months with the most sunshine are May and July (Average sunshine: 7h).
The months with the least sunshine are January, February and March (Average sunshine: 5h).

Average UV index in January
Sanya, China

Average UV index in January: 9

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).