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

Chascomús in December

The short of it: Chascomús in December averages a high of 27 °C (81 °F) and a low of 15 °C (60 °F), with 84 mm (3.3 in) of rain and about 14 h 33 min of daylight. Rated 3 of 5 for a visit; the best months are April and November. Source: TerraClimate climate normals, 1991–2020.

Average high 27° · low 15° · rain 84 mm · daylight 14 h 33 min

✦✦✦ Fair for a visit · best months: April & November

Thirty years of records give Chascomús an average December high of 27°, a low of 15° and some 84 mm of rain. Much like November: highs about 27°, nights near 15°. Easy travelling weather. Wet spells are common — about 84 mm, the 7th wettest month.

The sun is up for about 14 h 33 min in mid-December, 29 minutes more than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates December 3 of 5 for a visit; the finest months here are April and November.

Against its neighbours, Chascomús runs cooler than most and wetter than most in December. Manuel J. Cobo, 35 km to the SSE, sees much the same highs.

December in Chascomús, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
7th wettest of 12
Versus November
3° warmer, 20 mm less rain
Versus January
2° colder
Day–night spread
12°
Snow season
seldom any
Daylight, mid-month
14 h 33 min
Average wind
12 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
Manuel J. CoboBuenos Aires35 km SSE28°15°79 mm
General BelgranoBuenos Aires48 km WSW28°15°82 mm
PilaBuenos Aires49 km SSW28°14°80 mm
Coronel BrandsenBuenos Aires50 km NNW28°16°89 mm
CastelliBuenos Aires60 km SSE27°14°77 mm
DomselaarBuenos Aires61 km NNW28°16°91 mm
MagdalenaBuenos Aires71 km NE28°16°93 mm
San VicenteBuenos Aires72 km NNW29°16°92 mm

The Almanac · Chascomús Month by Month

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

Much like November: highs about 27°, nights near 15°. Easy travelling weather. Wet spells are common — about 84 mm, the 7th wettest month.

Climate of Chascomús by month
MonthHighLowRainWindDaylightVisit
January29°17°98 mm12 km/h14 h 18 min✦✦✦
February27°17°104 mm11 km/h13 h 26 min✦✦✦
March25°15°91 mm10 km/h12 h 24 min✦✦✦
April22°11°86 mm9 km/h11 h 14 min✦✦✦
May18°8°78 mm8 km/h10 h 16 min✦✦✦
June15°5°71 mm8 km/h9 h 46 min✦✦
July13°5°59 mm10 km/h9 h 58 min✦✦✦
August16°6°56 mm11 km/h10 h 48 min✦✦✦
September18°8°73 mm12 km/h11 h 56 min✦✦✦
October21°11°111 mm13 km/h13 h 4 min✦✦✦
November24°13°104 mm13 km/h14 h 4 min✦✦✦
December27°15°84 mm12 km/h14 h 33 min✦✦✦

Questions Readers Ask about Chascomús in December

Answered from the wire & the Almanac

What is the weather like in Chascomús in December?

Days average 27 °C (81 °F) and nights 15 °C (60 °F), with about 84 mm (3.3 in) of rain over the month. Much like November: highs about 27°, nights near 15°. Easy travelling weather. Wet spells are common — about 84 mm, the 7th wettest month.

Is December a good time to visit Chascomús?

The Almanac gives December 3 of 5 (fair). The best months are April and November.

How long are the days in Chascomús in December?

In mid-December the sun is up for about 14 h 33 min. These are the longest days of the year; the shortest, in June, last 9 h 46 min.

Does it snow in Chascomús in December?

Hardly — December nights average 15 °C (60 °F), above freezing.

What should I pack for Chascomús in December?

Light clothes and a jacket for the evening, 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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