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

Saint John in December

The short of it: Saint John in December averages a high of 10 °C (50 °F) and a low of 6 °C (42 °F), with 116 mm (4.6 in) of rain and about 8 h 13 min of daylight. Rated 1 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 10° · low 6° · rain 116 mm · daylight 8 h 13 min

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

Thirty years of records give Saint John an average December high of 10°, a low of 6° and some 116 mm of rain. Much like November: highs about 10°, nights near 6°. A wool coat will serve you well. It is the wettest month of the year here, about 116 mm.

The sun is up for about 8 h 13 min in mid-December, 49 minutes less than a month before.

For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Saint John runs cooler than most and about as wet in December. St Lawrence, 3 km to the S, sees much the same highs.

December in Saint John, by the numbers

Warmth rank
10th warmest of 12
Rain rank
1st wettest of 12
Versus November
2° colder, 1.0 mm more rain
Versus January
1° warmer
Day–night spread
4°
Snow season
seldom any
Daylight, mid-month
8 h 13 min
Average wind
30 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
St LawrenceJersey3 km S10°6°116 mm
TrinityOther4 km ESE10°6°118 mm
Saint HelierSt Helier7 km SSE10°6°114 mm
St MartinOther7 km ESE10°6°117 mm
Barneville-PlageNormandy30 km ENE10°6°112 mm
Saint Peter PortSt Peter Port37 km NW10°6°112 mm
Les PieuxNormandy38 km NE10°5°122 mm
Saint SampsonSt Sampson38 km NW10°6°112 mm

The Almanac · Saint John Month by Month

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

Much like November: highs about 10°, nights near 6°. A wool coat will serve you well. It is the wettest month of the year here, about 116 mm.

Climate of Saint John by month
MonthHighLowRainWindDaylightVisit
January9°5°102 mm30 km/h8 h 37 min✦
February9°5°76 mm28 km/h10 h 4 min✦
March11°6°67 mm26 km/h11 h 44 min✦✦✦
April12°7°52 mm22 km/h13 h 39 min✦✦✦
May15°10°51 mm21 km/h15 h 18 min✦✦✦
June18°12°52 mm20 km/h16 h 13 min✦✦✦✦
July20°14°43 mm20 km/h15 h 50 min✦✦✦✦✦
August21°15°56 mm20 km/h14 h 23 min✦✦✦✦
September19°13°62 mm22 km/h12 h 31 min✦✦✦✦
October16°11°100 mm27 km/h10 h 40 min✦✦
November12°8°115 mm29 km/h9 h 2 min✦✦
December10°6°116 mm30 km/h8 h 13 min✦

Questions Readers Ask about Saint John in December

Answered from the wire & the Almanac

What is the weather like in Saint John in December?

Days average 10 °C (50 °F) and nights 6 °C (42 °F), with about 116 mm (4.6 in) of rain over the month. Much like November: highs about 10°, nights near 6°. A wool coat will serve you well. It is the wettest month of the year here, about 116 mm.

Is December a good time to visit Saint John?

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

How long are the days in Saint John in December?

In mid-December the sun is up for about 8 h 13 min. These are the shortest days of the year; the longest, in June, last 16 h 13 min.

Does it snow in Saint John in December?

Hardly — December nights average 6 °C (42 °F), above freezing.

What should I pack for Saint John in December?

A heavy coat, gloves, a hat and a scarf, plus a good raincoat — it is a wet month.

More Towns in Jersey

All towns in Jersey →

Saint Helier · St Lawrence · St Martin · Trinity · Le Hocq

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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