Shanghai weather in August
Shanghai in August averages 29°C (85°F), 216 mm of rain and 5.9 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Shanghai, August is the second warmest and the wettest.

- Average temp
- 29°C (85°F)
26–33°C · 79–91°F
- Rainfall
- 216 mm
A wet month
- Sunshine
- 5.9 h
hours per day
What is Shanghai like in August?
Daytime
Days are hot, often above 32°C.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Shanghai in August?
High-factor sun cream
With daytime highs around 33°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A proper waterproof, not a folding umbrella
216 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
August compared with July and September
August in Shanghai is about the same temperature as July and 65 mm wetter than it, which averages 30°C (85°F).
August in Shanghai is 4.2°C warmer than September and 119 mm wetter than it, which averages 25°C (77°F).
Daylight in Shanghai in August
On 15 August the sun is up for 13 hours 17 minutes in Shanghai, rising about 05:19 and setting about 18:36 local time.
August ends 50 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 53 minutes short of June, the longest-lit month here.
Where to stay in Shanghai
Dates are a starting point for August.

Travel guides for Shanghai
What to read before you book.
Shanghai weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 42°F | 69 mm |
| February | 7°C / 45°F | 65 mm |
| March | 11°C / 52°F | 88 mm |
| April | 16°C / 62°F | 72 mm |
| May | 22°C / 71°F | 84 mm |
| June | 25°C / 77°F | 192 mm |
| July | 30°C / 85°F | 151 mm |
| August | 29°C / 85°F | 216 mm |
| September | 25°C / 77°F | 97 mm |
| October | 20°C / 68°F | 64 mm |
| November | 14°C / 58°F | 53 mm |
| December | 8°C / 47°F | 43 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Shanghai in August
August climate averages for Shanghai, 1991–2020.
Shanghai averages 29°C (85°F) in August, ranging from about 26°C (79°F) at night to 33°C (91°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. August brings about 216 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. August averages 29°C (85°F) against 25°C (77°F) in September — 4.2°C warmer.
August is about as warm as July, and 65 mm wetter.
It is outside the easiest window. The most comfortable stretch here is April to June; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 5.9 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 17 minutes of daylight in mid-August, against 14 hours 10 minutes in June and 10 hours 8 minutes in December.
On 15 August, sunrise is about 05:19 and sunset about 18:36 local time. Both shift across the month — the month ends 50 minutes shorter than it starts.

