Tai’an is warmest in June, averaging 34° by day and 20° at night. The wettest month is July with 400 mm, and the year brings about 1116 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 5° | -6° | 16 mm | 9.8 h | Cool |
| February | 9° | -4° | 36 mm | 10.6 h | Cool |
| March | 16° | 1° | 16 mm | 11.7 h | Sightseeing |
| April | 22° | 7° | 45 mm | 12.9 h | Sightseeing |
| May | 29° | 14° | 47 mm | 13.9 h | Beach weather |
| June | 34° | 20° | 126 mm | 14.5 h | Mild |
| July | 31° | 23° | 400 mm | 14.2 h | Rainy season |
| August | 30° | 22° | 233 mm | 13.4 h | Rainy season |
| September | 27° | 16° | 72 mm | 12.2 h | Beach weather |
| October | 20° | 9° | 53 mm | 11.1 h | Sightseeing |
| November | 14° | 2° | 63 mm | 10.0 h | Mild |
| December | 5° | -4° | 9 mm | 9.5 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: May and September — highs around 28°, nights no colder than 14°, and at most 72 mm of rain in a month.
Walking the city: March, April and October — highs of 16–22° and no more than 53 mm of rain a month.
Wet season: July and August — up to 400 mm in a single month.