The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Dundalk Weather in December

Dundalk in December

The short of it: Dundalk in December averages a high of -2 °C (29 °F) and a low of -8 °C (18 °F), with 98 mm (3.9 in) of rain and about 8 h 53 min of daylight. Rated 1 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high -2° · low -8° · rain 98 mm · daylight 8 h 53 min

✦ Travel with care for a visit · best months: August & July

December in Dundalk brings afternoons near -2° and nights around -8°, with about 98 mm of rain over the month. The year turns hard here: highs drop 7° from November to about -2°, with nights near -8°. Wet spells are common — about 98 mm, the 6th wettest month. Snow lies on the ground; mind the passes.

The sun is up for about 8 h 53 min in mid-December, 40 minutes less than a month before.

For the traveller: pack the buffalo coat, mittens and fur-lined boots, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are August and July.

Against its neighbours, Dundalk runs cooler than most and wetter than most in December. Orangeville, 36 km to the SE, is 1° warmer by day.

December in Dundalk, by the numbers

Warmth rank
10th warmest of 12
Rain rank
6th wettest of 12
Versus November
7° colder, 6.0 mm less rain
Versus January
3° warmer
Day–night spread
6°
Snow season
Nov–Apr
Daylight, mid-month
8 h 53 min
Average wind
18 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
OrangevilleOntario36 km SE-1°-7°60 mm
CollingwoodOntario38 km NNE1°-6°93 mm
AllistonOntario42 km E1°-6°58 mm
CaledonOntario46 km SE0°-6°59 mm
Wasaga BeachOntario49 km NE1°-6°88 mm
FergusOntario51 km S0°-6°67 mm
InnisfilOntario61 km ENE0°-6°60 mm
BoltonOntario61 km ESE1°-5°54 mm

The Almanac · Dundalk Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Travel with care
The Almanac Speaks
December
✦✦✦✦✦

The year turns hard here: highs drop 7° from November to about -2°, with nights near -8°. Wet spells are common — about 98 mm, the 6th wettest month. Snow lies on the ground; mind the passes.

Climate of Dundalk by month
MonthHighLowRainWindDaylightVisit
January-5°-12°110 mm17 km/h9 h 13 min✦
February-4°-13°96 mm17 km/h10 h 24 min✦
March1°-8°74 mm16 km/h11 h 47 min✦
April9°-1°81 mm17 km/h13 h 24 min✦
May17°5°106 mm15 km/h14 h 45 min✦✦✦
June21°11°99 mm12 km/h15 h 29 min✦✦✦
July24°13°80 mm12 km/h15 h 11 min✦✦✦
August23°12°82 mm12 km/h14 h 0 min✦✦✦
September20°9°91 mm13 km/h12 h 27 min✦✦✦
October12°4°102 mm16 km/h10 h 54 min✦✦
November5°-2°104 mm17 km/h9 h 33 min✦
December-2°-8°98 mm18 km/h8 h 53 min✦

Questions Readers Ask about Dundalk in December

Answered from the wire & the Almanac

What is the weather like in Dundalk in December?

Days average -2 °C (29 °F) and nights -8 °C (18 °F), with about 98 mm (3.9 in) of rain over the month. The year turns hard here: highs drop 7° from November to about -2°, with nights near -8°. Wet spells are common — about 98 mm, the 6th wettest month. Snow lies on the ground; mind the passes.

Is December a good time to visit Dundalk?

The Almanac gives December 1 of 5 (travel with care). The best months are August and July.

How long are the days in Dundalk in December?

In mid-December the sun is up for about 8 h 53 min. These are the shortest days of the year; the longest, in June, last 15 h 29 min.

Does it snow in Dundalk in December?

Yes — snow usually lies on the ground in December.

What should I pack for Dundalk in December?

Thermal layers, a down coat, mittens and insulated boots, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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