October weather forecast
Shanghai, China

October ushers in the beautiful fall season in Shanghai with cooler temperatures and the city adorned in autumn leaves. With the lowest rainfall level of the year at 56mm (2.2"), the city enjoys mostly dry and sunny days. The decrease in humidity levels makes it comfortable to walk and explore the city. As daylight hours decrease, the city transforms into an enchanting landscape under the glow of the setting sun. During this month, the autumn colors paint the city into a picturesque sight, making it a favorite among photographers.

Temperature

With the onset of October, Shanghai's average high-temperature adjusts, receding from September's moderately hot 27.9°C (82.2°F) to an agreeable 22.9°C (73.2°F). In the month of October, the average temperature dips to an enjoyable 16.8°C (62.2°F) during the night.

Humidity

In October, the average relative humidity is 72%.

Rainfall

In Shanghai, in October, it is raining for 6.9 days, with typically 56mm (2.2") of accumulated precipitation. In Shanghai, during the entire year, the rain falls for 120.8 days and collects up to 1166mm (45.91") of precipitation.

Sea temperature

In Shanghai, China, in October, the average water temperature is 22°C (71.6°F).
Note: For someone sensitive to cold, swimming in 22°C (71.6°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in October is 11h and 25min.
On the first day of October, sunrise is at 05:47 and sunset at 17:39. On the last day of the month, sunrise is at 06:08 and sunset at 17:06 CST.

Sunshine

The average sunshine in October is 5.2h.

UV index

In October, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in October suggests the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice! The reflection of water and sand increases the UV radiation significantly.