Panjin is warmest in July, averaging 30° by day and 22° at night. The wettest month is August with 217 mm, and the year brings about 857 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | -3° | -14° | 3 mm | -1° | 9.4 h | Cool |
| February | 1° | -10° | 8 mm | -2° | 10.4 h | Cool |
| March | 9° | -3° | 19 mm | 2° | 11.7 h | Cool |
| April | 17° | 3° | 36 mm | 8° | 13.1 h | Sightseeing |
| May | 23° | 11° | 65 mm | 15° | 14.3 h | Sightseeing |
| June | 28° | 17° | 102 mm | 21° | 14.9 h | Beach weather |
| July | 30° | 22° | 214 mm | 26° | 14.7 h | Rainy season |
| August | 29° | 21° | 217 mm | 27° | 13.6 h | Rainy season |
| September | 25° | 14° | 96 mm | 22° | 12.3 h | Sightseeing |
| October | 17° | 6° | 43 mm | 16° | 10.9 h | Sightseeing |
| November | 7° | -3° | 51 mm | 8° | 9.6 h | Cool |
| December | -2° | -11° | 3 mm | 2° | 9.1 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: June — highs around 28°, nights no colder than 17°, and at most 102 mm of rain in a month. The sea sits at 21–21° then.
Walking the city: April, May, September and October — highs of 17–25° and no more than 96 mm of rain a month.
Wet season: July and August — up to 217 mm in a single month.