Trumbull in December

4.7out of 10

Not the best time

Cold: highs around 6°C. Frequent rain: about 11 rainy days.

6°CAvg high
0°CAvg low
11Rainy days (119 mm)
9:02 hDaylight
07:18Sunrise · 16:20 Sunset

Why this score

  • Cold: highs around 6°C
  • Frequent rain: about 11 rainy days
  • Nights fall to about 0°C

What to wear and pack

  • Winter coat, hat and scarf
  • Rain jacket or compact umbrella
  • Gloves for freezing mornings

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -4° J 4° -3° F 8° 0° M 14° 6° A 19° 11° M 24° 17° J 28° 20° J 27° 20° A 23° 16° S 17° 10° O 11° 5° N 6° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-4°C97 mm 10– – 4.3
February 4°C-3°C86 mm 9– – 4.6
March 8°C0°C115 mm 10– – 5.1
April 14°C6°C103 mm 11– – 6.2
May 19°C11°C91 mm 11– – 7.1
June 24°C17°C99 mm 11– – 7.5
July 28°C20°C87 mm 10– – 7.7
August 27°C20°C103 mm 10– – 7.6
September 23°C16°C103 mm 9– – 7.8
October 17°C10°C113 mm 9– – 6.9
November 11°C5°C94 mm 9– – 6.1
December 6°C0°C119 mm 11– – 4.7

Frequently asked questions

How hot is Trumbull in December?

Daytime highs average 6°C and nights about 0°C.

When is the best time to visit Trumbull?

The best months are September, July, August, June.