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

Alerta Weather in December

Alerta in December

The short of it: Alerta in December averages a high of 31 °C (88 °F) and a low of 21 °C (71 °F), with 247 mm (9.7 in) of rain and about 12 h 48 min of daylight. Rated 2 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.

Average high 31° · low 21° · rain 247 mm · daylight 12 h 48 min

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

Thirty years of records give Alerta an average December high of 31°, a low of 21° and some 247 mm of rain. Days run hot, near 31° in the afternoon; ride early and rest at noon. Wet spells are common — about 247 mm, the 3rd wettest month.

The sun is up for about 12 h 48 min in mid-December.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates December 2 of 5 for a visit; the finest months here are June and July.

Against its neighbours, Alerta runs cooler than most and about as wet in December. Mavila, 33 km to the SSE, sees much the same highs.

December in Alerta, by the numbers

Warmth rank
5th warmest of 12
Rain rank
3rd wettest of 12
Versus November
1° colder, 40 mm more rain
Versus January
about the same
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
12 h 48 min
Average wind
5 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
MavilaMadre de Dios33 km SSE31°22°254 mm
IberiaMadre de Dios40 km NW31°21°241 mm
AlegríaMadre de Dios53 km SSE31°22°263 mm
CobijaPando87 km NE31°22°235 mm
IñapariMadre de Dios87 km NNW31°21°237 mm
Assis BrasilAcre88 km NNW31°21°237 mm
EpitaciolândiaAcre88 km NE31°22°235 mm
BrasiléiaAcre89 km NE31°22°235 mm

The Almanac · Alerta Month by Month

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

Days run hot, near 31° in the afternoon; ride early and rest at noon. Wet spells are common — about 247 mm, the 3rd wettest month.

Climate of Alerta by month
MonthHighLowRainWindDaylightVisit
January31°22°274 mm5 km/h12 h 44 min✦✦
February30°22°273 mm5 km/h12 h 29 min✦✦
March31°21°231 mm4 km/h12 h 11 min✦✦
April31°21°159 mm4 km/h11 h 51 min✦✦
May30°19°80 mm4 km/h11 h 35 min✦✦
June30°18°36 mm4 km/h11 h 27 min✦✦✦✦
July30°17°30 mm4 km/h11 h 30 min✦✦✦✦
August33°17°39 mm5 km/h11 h 44 min✦✦✦✦
September34°19°84 mm5 km/h12 h 3 min✦
October33°21°162 mm5 km/h12 h 23 min✦✦
November32°21°207 mm5 km/h12 h 40 min✦✦
December31°21°247 mm5 km/h12 h 48 min✦✦

Questions Readers Ask about Alerta in December

Answered from the wire & the Almanac

What is the weather like in Alerta in December?

Days average 31 °C (88 °F) and nights 21 °C (71 °F), with about 247 mm (9.7 in) of rain over the month. Days run hot, near 31° in the afternoon; ride early and rest at noon. Wet spells are common — about 247 mm, the 3rd wettest month.

Is December a good time to visit Alerta?

The Almanac gives December 2 of 5 (travel with care). The best months are June and July.

How long are the days in Alerta in December?

In mid-December the sun is up for about 12 h 48 min. These are the longest days of the year; the shortest, in June, last 11 h 27 min.

Does it snow in Alerta in December?

Hardly — December nights average 21 °C (71 °F), above freezing.

What should I pack for Alerta in December?

Linen, a wide hat, sun cream and water, 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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