Heyan in December

6.0out of 10

Possible, with caveats

Cool: highs only around 9°C. Some rain: about 8 rainy days.

9°CAvg high
3°CAvg low
8Rainy days (35 mm)
9:58 hDaylight
07:42Sunrise · 17:41 Sunset

Why this score

  • Cool: highs only around 9°C
  • Some rain: about 8 rainy days

What to wear and pack

  • A warm jacket
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in December varies a lot between years (±3.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

8° 2° J 11° 4° F 15° 7° M 21° 12° A 24° 17° M 27° 20° J 30° 23° J 31° 22° A 26° 19° S 20° 13° O 15° 8° N 9° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 8°C2°C34 mm 9– – 5.6
February 11°C4°C43 mm 9– – 6.0
March 15°C7°C76 mm 12– – 6.4
April 21°C12°C95 mm 14– – 7.0
May 24°C17°C135 mm 15– – 6.8
June 27°C20°C173 mm 15– – 6.7
July 30°C23°C183 mm 16– – 6.1
August 31°C22°C142 mm 14– – 6.5
September 26°C19°C136 mm 13– – 7.1
October 20°C13°C114 mm 13– – 6.9
November 15°C8°C68 mm 10– – 6.6
December 9°C3°C35 mm 8– – 6.0

Frequently asked questions

How hot is Heyan in December?

Daytime highs average 9°C and nights about 3°C.

When is the best time to visit Heyan?

The best months are September, April, October, May.