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

Trim Weather in December

Trim in December

The short of it: Trim in December averages a high of 8 °C (47 °F) and a low of 3 °C (37 °F), with 102 mm (4.0 in) of rain and about 7 h 29 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 8° · low 3° · rain 102 mm · daylight 7 h 29 min

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

December in Trim brings afternoons near 8° and nights around 3°, with about 102 mm of rain over the month. Much like November: highs about 8°, nights near 3°. A wool coat will serve you well. Wet spells are common — about 102 mm, the 3rd wettest month.

The sun is up for about 7 h 29 min in mid-December, 60 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, Trim runs cooler than most and wetter than most in December. Navan, 13 km to the NNE, sees much the same highs.

December in Trim, by the numbers

Warmth rank
11th warmest of 12
Rain rank
3rd wettest of 12
Versus November
2° colder, 24 mm less rain
Versus January
about the same
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
7 h 29 min
Average wind
12 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
NavanLeinster13 km NNE8°2°88 mm
RatoathLeinster22 km ESE8°2°84 mm
MaynoothLeinster23 km SE8°2°84 mm
AshbourneLeinster26 km E8°3°82 mm
LeixlipLeinster29 km SE9°3°77 mm
CelbridgeLeinster29 km SE9°2°83 mm
LucanLeinster32 km SE9°2°76 mm
BlanchardstownLeinster33 km SE9°3°76 mm
Public Notice & Advertisement
Placed by order of the Frontier Advertiser's Bureau

The Almanac · Trim 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 8°, nights near 3°. A wool coat will serve you well. Wet spells are common — about 102 mm, the 3rd wettest month.

Climate of Trim by month
MonthHighLowRainWindDaylightVisit
January8°2°96 mm13 km/h8 h 0 min✦
February9°2°80 mm13 km/h9 h 43 min✦
March10°3°71 mm13 km/h11 h 41 min✦✦
April13°4°67 mm12 km/h13 h 55 min✦✦✦
May15°7°66 mm12 km/h15 h 53 min✦✦✦
June18°9°78 mm11 km/h17 h 1 min✦✦✦
July19°11°81 mm10 km/h16 h 32 min✦✦✦
August19°11°97 mm10 km/h14 h 47 min✦✦✦
September17°9°90 mm10 km/h12 h 35 min✦✦✦
October14°7°106 mm11 km/h10 h 26 min✦✦
November10°4°126 mm12 km/h8 h 29 min✦✦
December8°3°102 mm12 km/h7 h 29 min✦

Questions Readers Ask about Trim in December

Answered from the wire & the Almanac

What is the weather like in Trim in December?

Days average 8 °C (47 °F) and nights 3 °C (37 °F), with about 102 mm (4.0 in) of rain over the month. Much like November: highs about 8°, nights near 3°. A wool coat will serve you well. Wet spells are common — about 102 mm, the 3rd wettest month.

Is December a good time to visit Trim?

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

How long are the days in Trim in December?

In mid-December the sun is up for about 7 h 29 min. These are the shortest days of the year; the longest, in June, last 17 h 1 min.

Does it snow in Trim in December?

Hardly — December nights average 3 °C (37 °F), above freezing.

What should I pack for Trim in December?

A heavy coat, gloves, a hat and a scarf, 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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