April weather forecast
Shanghai, China

Shanghai embraces spring in earnest during April, with pleasant temperatures that are neither too cold nor too hot. Rainfall decreases compared to March, with 74mm (2.91") falling over 11 days. As average sea temperatures begin to rise, waterfront activities start gaining popularity amongst locals and tourists. The city experiences longer daylight hours, providing ample time for outdoor activities. Undoubtedly, April is a fantastic time to wander through the bustling streets of this mesmerizing city.

Temperature

The start of April in Shanghai is characterized by an increase in the average high-temperature, transitioning from a refreshing 13.8°C (56.8°F) in March to a comfortable 19.5°C (67.1°F). The average low-temperature of 11.9°C (53.4°F) is witnessed in Shanghai during April.

Humidity

In Shanghai, China, the average relative humidity in April is 72%.

Rainfall

In Shanghai, during April, the rain falls for 11.2 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 120.8 rainfall days, and 1166mm (45.91") of precipitation is accumulated.

Sea temperature

In April, the average sea temperature is 11°C (51.8°F).
Note: Danger awaits those who swim in 11°C (51.8°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.

Daylight

The average length of the day in April in Shanghai is 12h and 56min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:13. On the last day of April, sunrise is at 05:09 and sunset at 18:32 CST.

Sunshine

The average sunshine in April in Shanghai is 5h.

UV index

In April, the average daily maximum UV index in Shanghai is 9. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 9 in April suggests the following recommendations:
Don't neglect protection; skin and eyes can be burned swiftly if left exposed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.