March weather forecast
Tainan, Taiwan

As spring officially arrives, the weather in Tainan undergoes further changes. With each passing day, the city emerges from its winter quiet, transitioning to more active weather patterns. One of the most salient characteristics of March is its increase in rainfall to 39mm (1.54"), indicating the city's shift towards its rainier season. Simultaneously, the UV index rises significantly, suggesting higher levels of sunlight. March thus represents a taxonomical shift in the city's weather from the cool and dry to the warmer and wetter.

Temperature

In Tainan, March's average high-temperature stands at a still moderately hot 26.4°C (79.5°F), closely related to the preceding month. Throughout the March nights, Tainan encounters a low-temperature of 17.5°C (63.5°F).

Humidity

The average relative humidity in March in Tainan is 76.3%.

Rainfall

In Tainan, in March, during 5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Tainan, during the entire year, the rain falls for 87.4 days and collects up to 1698mm (66.85") of precipitation.

Sea temperature

In Tainan, the average seawater temperature in March is 24.3°C (75.7°F).
Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 24.3°C (75.7°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Tainan, the average length of the day in March is 12h and 1min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:02. On the last day of March, in Tainan, sunrise is at 05:52 and sunset at 18:14 CST.

Sunshine

The average sunshine in March is 5.8h.

UV index

In March, the average daily maximum UV index in Tainan is 11. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 11 in March converts into the following recommendations:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Apply and frequently reapply a minimum SPF 30 sunscreen even on cloudy days, especially after swimming or an outdoor workout. Take note! Sand and water reflections strengthen the Sun's UV exposure.