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

Caldera in December

The short of it: Caldera in December averages a high of 22 °C (72 °F) and a low of 14 °C (58 °F), with 1.0 mm (0.04 in) of rain and about 13 h 50 min of daylight. Rated 5 of 5 for a visit; the best months are March and January. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 14° · rain 1.0 mm · daylight 13 h 50 min

✦✦✦✦✦ Recommended for a visit · best months: March & January

December in Caldera brings afternoons near 22° and nights around 14°, with about 1.0 mm of rain over the month. Much like November: highs about 22°, nights near 14°. Easy travelling weather. Rain is scarce, about 1.0 mm, the 7th wettest month.

The sun is up for about 13 h 50 min in mid-December, 20 minutes more than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates December 5 of 5 for a visit; the finest months here are March and January.

Against its neighbours, Caldera runs cooler than most and wetter than most in December. Copiapó, 59 km to the SE, is 1° warmer by day.

December in Caldera, by the numbers

Warmth rank
4th warmest of 12
Rain rank
7th wettest of 12
Versus November
2° warmer, 0.0 mm more rain
Versus January
2° colder
Day–night spread
8°
Snow season
seldom any
Daylight, mid-month
13 h 50 min
Average wind
19 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
CopiapóAtacama59 km SE23°13°0.0 mm
Tierra AmarillaAtacama71 km SE23°13°0.0 mm
Diego de AlmagroAtacama108 km NE25°13°0.0 mm
HuascoAtacama160 km SSW22°13°0.0 mm
FreirinaAtacama162 km S23°13°0.0 mm
VallenarAtacama168 km S24°12°0.0 mm
TaltalAntofagasta188 km N24°16°0.0 mm
Alto del CarmenAtacama191 km S22°10°0.0 mm

The Almanac · Caldera Month by Month

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

Much like November: highs about 22°, nights near 14°. Easy travelling weather. Rain is scarce, about 1.0 mm, the 7th wettest month.

Climate of Caldera by month
MonthHighLowRainWindDaylightVisit
January24°16°1.0 mm18 km/h13 h 40 min✦✦✦✦✦
February24°16°0.0 mm17 km/h13 h 3 min✦✦✦✦✦
March23°15°1.0 mm16 km/h12 h 19 min✦✦✦✦✦
April20°13°1.0 mm15 km/h11 h 29 min✦✦✦✦✦
May19°11°7.0 mm13 km/h10 h 48 min✦✦✦✦✦
June17°9°11 mm13 km/h10 h 27 min✦✦✦✦✦
July17°9°25 mm13 km/h10 h 35 min✦✦✦✦✦
August17°9°12 mm14 km/h11 h 10 min✦✦✦✦✦
September18°10°3.0 mm17 km/h11 h 58 min✦✦✦✦✦
October19°11°4.0 mm17 km/h12 h 47 min✦✦✦✦✦
November21°13°1.0 mm18 km/h13 h 30 min✦✦✦✦✦
December22°14°1.0 mm19 km/h13 h 50 min✦✦✦✦✦

Questions Readers Ask about Caldera in December

Answered from the wire & the Almanac

What is the weather like in Caldera in December?

Days average 22 °C (72 °F) and nights 14 °C (58 °F), with about 1.0 mm (0.04 in) of rain over the month. Much like November: highs about 22°, nights near 14°. Easy travelling weather. Rain is scarce, about 1.0 mm, the 7th wettest month.

Is December a good time to visit Caldera?

The Almanac gives December 5 of 5 (recommended). The best months are March and January.

How long are the days in Caldera in December?

In mid-December the sun is up for about 13 h 50 min. These are the longest days of the year; the shortest, in June, last 10 h 27 min.

Does it snow in Caldera in December?

Hardly — December nights average 14 °C (58 °F), above freezing.

What should I pack for Caldera in December?

Light clothes and a jacket for the evening.

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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