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

Cosos in December

The short of it: Cosos in December averages a high of 27 °C (81 °F) and a low of 16 °C (61 °F), with 4.0 mm (0.16 in) of rain and about 13 h 5 min of daylight. Rated 5 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.

Average high 27° · low 16° · rain 4.0 mm · daylight 13 h 5 min

✦✦✦✦✦ Recommended for a visit · best months: July & June

December in Cosos brings afternoons near 27° and nights around 16°, with about 4.0 mm of rain over the month. Much like November: highs about 27°, nights near 16°. Easy travelling weather. Rain is scarce, about 4.0 mm, the 4th wettest month.

The sun is up for about 13 h 5 min in mid-December.

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 July and June.

Against its neighbours, Cosos runs warmer than most and drier than most in December. El Pedregal, 46 km to the SE, is 2° cooler by day.

December in Cosos, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus November
about the same, 3.0 mm more rain
Versus January
about the same
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
13 h 5 min
Average wind
9 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
El PedregalArequipa46 km SE26°13°1.0 mm
LlutaArequipa51 km E21°6°7.0 mm
YanaquihuaArequipa52 km NW21°6°6.0 mm
HuamboArequipa54 km NE19°4°24 mm
IspacasArequipa57 km NW23°9°3.0 mm
San JacintoArequipa64 km SSW26°17°2.0 mm
Santa Rita de SiguasArequipa65 km SE27°13°1.0 mm
ArirahuaArequipa65 km NW20°5°14 mm

The Almanac · Cosos Month by Month

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

Much like November: highs about 27°, nights near 16°. Easy travelling weather. Rain is scarce, about 4.0 mm, the 4th wettest month.

Climate of Cosos by month
MonthHighLowRainWindDaylightVisit
January28°17°10 mm8 km/h12 h 59 min✦✦✦✦✦
February28°17°8.0 mm8 km/h12 h 38 min✦✦✦✦✦
March28°16°6.0 mm8 km/h12 h 13 min✦✦✦✦✦
April27°15°2.0 mm8 km/h11 h 45 min✦✦✦✦✦
May27°14°1.0 mm8 km/h11 h 22 min✦✦✦✦✦
June25°13°0.0 mm7 km/h11 h 11 min✦✦✦✦✦
July25°12°0.0 mm8 km/h11 h 15 min✦✦✦✦✦
August25°13°1.0 mm8 km/h11 h 35 min✦✦✦✦✦
September26°14°1.0 mm9 km/h12 h 2 min✦✦✦✦✦
October27°15°2.0 mm9 km/h12 h 29 min✦✦✦✦✦
November27°15°1.0 mm9 km/h12 h 53 min✦✦✦✦✦
December27°16°4.0 mm9 km/h13 h 5 min✦✦✦✦✦

Questions Readers Ask about Cosos in December

Answered from the wire & the Almanac

What is the weather like in Cosos in December?

Days average 27 °C (81 °F) and nights 16 °C (61 °F), with about 4.0 mm (0.16 in) of rain over the month. Much like November: highs about 27°, nights near 16°. Easy travelling weather. Rain is scarce, about 4.0 mm, the 4th wettest month.

Is December a good time to visit Cosos?

The Almanac gives December 5 of 5 (recommended). The best months are July and June.

How long are the days in Cosos in December?

In mid-December the sun is up for about 13 h 5 min. These are the longest days of the year; the shortest, in June, last 11 h 11 min.

Does it snow in Cosos in December?

Hardly — December nights average 16 °C (61 °F), above freezing.

What should I pack for Cosos 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
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