Derry in December

4.2out of 10

Not the best time

Cold: highs around 4°C. Frequent rain: about 10 rainy days.

4°CAvg high
-4°CAvg low
10Rainy days (104 mm)
8:51 hDaylight
07:16Sunrise · 16:07 Sunset

Why this score

  • Cold: highs around 4°C
  • Frequent rain: about 10 rainy days
  • Nights fall to about -4°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 (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

1° -8° J 2° -7° F 7° -3° M 14° 3° A 20° 9° M 25° 14° J 28° 18° J 27° 17° A 23° 13° S 16° 6° O 9° 1° N 4° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 1°C-8°C79 mm 9– – 3.9
February 2°C-7°C76 mm 9– – 4.2
March 7°C-3°C101 mm 10– – 4.9
April 14°C3°C96 mm 10– – 6.3
May 20°C9°C77 mm 11– – 7.3
June 25°C14°C89 mm 11– – 7.6
July 28°C18°C83 mm 10– – 7.7
August 27°C17°C82 mm 9– – 7.8
September 23°C13°C84 mm 8– – 8.0
October 16°C6°C98 mm 10– – 6.8
November 9°C1°C86 mm 9– – 5.7
December 4°C-4°C104 mm 10– – 4.2

Frequently asked questions

How hot is Derry in December?

Daytime highs average 4°C and nights about -4°C.

When is the best time to visit Derry?

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