April weather forecastShanghai, China

The mother River Huangpu dividing the city into two in Shanghai, China

April

Weather in April

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 transition from March to April brings a temperature rise, with average high-temperatures increasing from a refreshing 13.8°C (56.8°F) to a comfortable 19.5°C (67.1°F). Shanghai's nighttime temperature in April drops to an average of 11.9°C (53.4°F).

Humidity

The average relative humidity in April in Shanghai is 72%.

Rainfall

In April, the rain falls for 11.2 days. Throughout April, 74mm (2.91") of precipitation is accumulated. 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: Swimming in 11°C (51.8°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In Shanghai, the average length of the day in April 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 is 5h.

UV index

In Shanghai, China, the average daily maximum UV index in April is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 9 in April leads to these guidelines:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Jun 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in April, in Shanghai, records 19.5°C (67.1°F), while the low-temperature is 11.9°C (53.4°F).

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

In Shanghai, in April, it is raining for 11.2 days, with typically 74mm (2.91") of accumulated precipitation.

In April, the average sea temperature is 11°C (51.8°F). Swimming in 11°C (51.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

In Shanghai, the average day length in April is 12h and 56min.

In April, on the first day of the month, sunrise is at 05:42 and sunset at 18:13. On the last day of the month, sunrise is at 05:09 and sunset at 18:32 CST.

In Shanghai, the average sunshine duration in April is 5h.

In Shanghai, the average daily maximum UV index in April is 9. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Mar

April

May

Average high temperature

13.8°C

19.5°C

24.8°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

12.4

11.2

10.4

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in April
Shanghai, China

Average high temperature in April: 19.5°C

The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (8.1°C).

Average low temperature in April: 11.9°C

The months with the highest average low temperature are July and August (25.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).

Average humidity in April
Shanghai, China

Average humidity in April: 72%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is December (71%).

Average rainfall in April
Shanghai, China

Average rainfall in April: 74.2mm

The wettest month (with the highest rainfall) is August (213.7mm).
The driest month (with the least rainfall) is December (43.9mm).

Average rainfall days in April
Shanghai, China

Average rainfall days in April: 11.2 days

The month with the highest number of rainy days is June (12.7 days).
The month with the least rainy days is October (6.9 days).

Average sea temperature in April
Shanghai, China

Average sea temperature in April: 11°C

The best month for swimming (with the highest average sea temperature) is August (27°C).
The coldest months (with the lowest average sea temperature) are February and March (8°C).

Average daylight in April /
Average sunshine in April
Shanghai, China

Average daylight in April: 12h and 54min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

Average sunshine in April: 5h and 0min

The month with the most sunshine is July (Average sunshine: 6h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).