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

L'Assomption in December

The short of it: L'Assomption in December averages a high of -1 °C (30 °F) and a low of -9 °C (16 °F), with 84 mm (3.3 in) of rain and about 8 h 41 min of daylight. Rated 1 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high -1° · low -9° · rain 84 mm · daylight 8 h 41 min

✦ Travel with care for a visit · best months: June & September

December in L'Assomption brings afternoons near -1° and nights around -9°, with about 84 mm of rain over the month. Highs fall 7° against November, to near -1°; nights run about -9°. Wet spells are common — about 84 mm, the 7th wettest month. Snow lies on the ground; mind the passes.

The sun is up for about 8 h 41 min in mid-December, 43 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 June and September.

Against its neighbours, L'Assomption runs about middling and wetter than most in December. Repentigny, 9 km to the S, sees much the same highs.

December in L'Assomption, by the numbers

Warmth rank
10th warmest of 12
Rain rank
7th wettest of 12
Versus November
7° colder, 3.0 mm less rain
Versus January
5° warmer
Day–night spread
8°
Snow season
Nov–Apr
Daylight, mid-month
8 h 41 min
Average wind
14 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
RepentignyQuebec9 km S-1°-8°86 mm
MascoucheQuebec16 km WSW-1°-9°81 mm
JolietteQuebec21 km N-2°-10°79 mm
TerrebonneQuebec22 km SW-1°-9°82 mm
Rivière-des-Prairies–Pointe-aux-TremblesQuebec24 km SSW-1°-8°84 mm
BouchervilleQuebec26 km S-1°-8°90 mm
Sainte-JulieQuebec28 km SSE-1°-9°92 mm
Saint-LéonardQuebec29 km SSW-1°-8°86 mm

The Almanac · L'Assomption Month by Month

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

Highs fall 7° against November, to near -1°; nights run about -9°. Wet spells are common — about 84 mm, the 7th wettest month. Snow lies on the ground; mind the passes.

Climate of L'Assomption by month
MonthHighLowRainWindDaylightVisit
January-6°-16°70 mm14 km/h9 h 2 min✦
February-4°-15°57 mm14 km/h10 h 18 min✦
March1°-9°60 mm13 km/h11 h 46 min✦
April10°0°83 mm14 km/h13 h 28 min✦
May18°7°85 mm13 km/h14 h 55 min✦✦✦
June24°12°100 mm11 km/h15 h 42 min✦✦✦
July26°15°87 mm10 km/h15 h 23 min✦✦✦
August26°15°99 mm10 km/h14 h 7 min✦✦✦
September22°10°79 mm10 km/h12 h 28 min✦✦✦
October13°4°108 mm12 km/h10 h 50 min✦✦
November6°-1°87 mm13 km/h9 h 23 min✦
December-1°-9°84 mm14 km/h8 h 41 min✦

Questions Readers Ask about L'Assomption in December

Answered from the wire & the Almanac

What is the weather like in L'Assomption in December?

Days average -1 °C (30 °F) and nights -9 °C (16 °F), with about 84 mm (3.3 in) of rain over the month. Highs fall 7° against November, to near -1°; nights run about -9°. Wet spells are common — about 84 mm, the 7th wettest month. Snow lies on the ground; mind the passes.

Is December a good time to visit L'Assomption?

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

How long are the days in L'Assomption in December?

In mid-December the sun is up for about 8 h 41 min. These are the shortest days of the year; the longest, in June, last 15 h 42 min.

Does it snow in L'Assomption in December?

Yes — snow usually lies on the ground in December.

What should I pack for L'Assomption 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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