Brockville in December

3.6out of 10

Not the best time

Cold: highs around 1°C. Frequent rain: about 12 rainy days.

1°CAvg high
-5°CAvg low
12Rainy days (85 mm)
8:39 hDaylight
07:40Sunrise · 16:18 Sunset

Why this score

  • Cold: highs around 1°C
  • Frequent rain: about 12 rainy days
  • Nights fall to about -5°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

-2° -11° J -1° -10° F 4° -5° M 12° 2° A 19° 8° M 24° 13° J 26° 17° J 25° 16° A 22° 12° S 14° 6° O 7° 1° N 1° -5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-11°C76 mm 12– – 3.5
February -1°C-10°C62 mm 10– – 3.8
March 4°C-5°C77 mm 11– – 4.2
April 12°C2°C104 mm 12– – 5.7
May 19°C8°C89 mm 12– – 7.1
June 24°C13°C102 mm 12– – 7.4
July 26°C17°C96 mm 12– – 7.4
August 25°C16°C95 mm 12– – 7.4
September 22°C12°C93 mm 10– – 7.6
October 14°C6°C107 mm 12– – 6.1
November 7°C1°C89 mm 12– – 5.0
December 1°C-5°C85 mm 12– – 3.6

Frequently asked questions

How hot is Brockville in December?

Daytime highs average 1°C and nights about -5°C.

When is the best time to visit Brockville?

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