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

Saint-Eustache in December

The short of it: Saint-Eustache in December averages a high of -1 °C (30 °F) and a low of -9 °C (17 °F), with 84 mm (3.3 in) of rain and about 8 h 43 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 43 min

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

December in Saint-Eustache brings afternoons near -1° and nights around -9°, with about 84 mm of rain over the month. The year turns hard here: highs drop 7° from November to about -1°, with nights near -9°. Wet spells are common — about 84 mm, the 8th wettest month. Snow lies on the ground; mind the passes.

The sun is up for about 8 h 43 min in mid-December, 42 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, Saint-Eustache runs about middling and about as wet in December. Boisbriand, 8 km to the NE, sees much the same highs.

December in Saint-Eustache, by the numbers

Warmth rank
10th warmest of 12
Rain rank
8th wettest of 12
Versus November
7° colder, 4.0 mm less rain
Versus January
4° warmer
Day–night spread
7°
Snow season
Nov–Mar
Daylight, mid-month
8 h 43 min
Average wind
14 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
BoisbriandQuebec8 km NE-1°-9°84 mm
Pierrefonds-RoxboroQuebec9 km SE-1°-8°84 mm
Dollard-Des OrmeauxQuebec10 km SE-1°-8°85 mm
Sainte-ThérèseQuebec10 km NE-1°-9°84 mm
BlainvilleQuebec11 km N-2°-9°86 mm
PierrefondsQuebec12 km S-1°-8°84 mm
ChomedeyQuebec13 km ESE-1°-8°85 mm
Pointe-ClaireQuebec15 km SSE-1°-8°84 mm

The Almanac · Saint-Eustache 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 -1°, with nights near -9°. Wet spells are common — about 84 mm, the 8th wettest month. Snow lies on the ground; mind the passes.

Climate of Saint-Eustache by month
MonthHighLowRainWindDaylightVisit
January-5°-14°79 mm14 km/h9 h 4 min✦
February-4°-14°60 mm14 km/h10 h 19 min✦
March2°-7°70 mm14 km/h11 h 47 min✦
April10°1°95 mm14 km/h13 h 28 min✦✦
May19°8°93 mm13 km/h14 h 53 min✦✦✦
June24°13°103 mm11 km/h15 h 40 min✦✦✦
July27°16°90 mm11 km/h15 h 21 min✦✦✦
August26°15°98 mm10 km/h14 h 6 min✦✦✦
September22°11°82 mm10 km/h12 h 28 min✦✦✦
October14°5°104 mm13 km/h10 h 50 min✦✦
November6°-1°88 mm13 km/h9 h 25 min✦
December-1°-9°84 mm14 km/h8 h 43 min✦

Questions Readers Ask about Saint-Eustache in December

Answered from the wire & the Almanac

What is the weather like in Saint-Eustache in December?

Days average -1 °C (30 °F) and nights -9 °C (17 °F), with about 84 mm (3.3 in) of rain over the month. The year turns hard here: highs drop 7° from November to about -1°, with nights near -9°. Wet spells are common — about 84 mm, the 8th wettest month. Snow lies on the ground; mind the passes.

Is December a good time to visit Saint-Eustache?

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

How long are the days in Saint-Eustache in December?

In mid-December the sun is up for about 8 h 43 min. These are the shortest days of the year; the longest, in June, last 15 h 40 min.

Does it snow in Saint-Eustache in December?

Yes — snow usually lies on the ground in December.

What should I pack for Saint-Eustache 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