Dumai in December

5.7out of 10

Possible, with caveats

Hot: daytime highs around 31°C. Very wet: about 28 rainy days.

31°CAvg high
24°CAvg low
28Rainy days (342 mm)
11:54 hDaylight
06:13Sunrise · 18:08 Sunset

Why this score

  • Hot: daytime highs around 31°C
  • Very wet: about 28 rainy days

What to wear and pack

  • Light, breathable clothing
  • Shorts or a light skirt
  • Rain jacket or compact umbrella
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

31° 24° J 32° 24° F 32° 25° M 32° 25° A 32° 25° M 32° 25° J 32° 24° J 32° 24° A 32° 24° S 31° 24° O 31° 24° N 31° 24° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C24°C200 mm 21– – 5.6
February 32°C24°C126 mm 17– – 5.9
March 32°C25°C218 mm 25– – 5.2
April 32°C25°C248 mm 28– – 5.2
May 32°C25°C222 mm 27– – 5.2
June 32°C25°C157 mm 21– – 5.2
July 32°C24°C160 mm 21– – 5.3
August 32°C24°C197 mm 25– – 5.3
September 32°C24°C253 mm 26– – 5.4
October 31°C24°C309 mm 28– – 5.4
November 31°C24°C388 mm 29– – 5.6
December 31°C24°C342 mm 28– – 5.7

Frequently asked questions

How hot is Dumai in December?

Daytime highs average 31°C and nights about 24°C.

When is the best time to visit Dumai?

The best months are February, December, January, November.