March weather forecast
Haikou, China

March delivers a significant rise in temperatures and a renewal of libations from the sky. Relative humidity shows no considerable changes yet still escalates in parallel with the temperatures. Haikou weather grows increasingly tropical during March, distinguishing itself from cooler and less wet February. As temperatures climb and rainfall gathers, March becomes an anticipation of the even hotter and wetter summer just around the corner.

Temperature

Haikou observes a slight uplift in the average high-temperature with the onset of March, adjusting from February's pleasant 22.3°C (72.1°F) to a moderately hot 26°C (78.8°F). Haikou, in March, witnesses an average low-temperature of 19.1°C (66.4°F).

Humidity

In March, the average relative humidity is 86%.

Rainfall

In March, in Haikou, China, the rain falls for 10.1 days. Throughout March, 51mm (2.01") of precipitation is accumulated. In Haikou, during the entire year, the rain falls for 145 days and collects up to 1652mm (65.04") of precipitation.

Sea temperature

In Haikou, the average seawater temperature in March is 20.2°C (68.4°F).
Note: The majority of individuals do not enjoy swimming in water that is 20.2°C (68.4°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Haikou, the average length of the day in March is 12h and 2min.
On the first day of March, sunrise is at 06:58 and sunset at 18:44. On the last day of the month, sunrise is at 06:33 and sunset at 18:53 CST.

Sunshine

The average sunshine in March is 4.4h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 12 during March translates into these guidelines:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.