Yantai is warmest in July, averaging 30° by day and 22° at night. The wettest month is August with 270 mm, and the year brings about 1215 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 3° | -4° | 19 mm | 4° | 9.7 h | Cool |
| February | 5° | -3° | 28 mm | 2° | 10.6 h | Cool |
| March | 11° | 1° | 28 mm | 5° | 11.7 h | Cool |
| April | 17° | 6° | 48 mm | 9° | 13.0 h | Sightseeing |
| May | 23° | 13° | 105 mm | 15° | 14.0 h | Sightseeing |
| June | 28° | 18° | 129 mm | 20° | 14.6 h | Mild |
| July | 30° | 22° | 251 mm | 24° | 14.3 h | Rainy season |
| August | 29° | 23° | 270 mm | 26° | 13.4 h | Rainy season |
| September | 26° | 18° | 144 mm | 24° | 12.2 h | Mild |
| October | 19° | 12° | 96 mm | 19° | 11.0 h | Sightseeing |
| November | 13° | 5° | 72 mm | 14° | 9.9 h | Mild |
| December | 4° | -2° | 25 mm | 7° | 9.4 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: No month in Yantai combines swimming warmth with dry skies.
Walking the city: April, May and October — highs of 17–23° and no more than 105 mm of rain a month.
Wet season: July and August — up to 270 mm in a single month.