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

Nilópolis in December

The short of it: Nilópolis in December averages a high of 31 °C (89 °F) and a low of 21 °C (69 °F), with 191 mm (7.5 in) of rain and about 13 h 32 min of daylight. Rated 2 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high 31° · low 21° · rain 191 mm · daylight 13 h 32 min

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

December in Nilópolis brings afternoons near 31° and nights around 21°, with about 191 mm of rain over the month. Days run hot, near 31° in the afternoon; ride early and rest at noon. Wet spells are common — about 191 mm, the 3rd wettest month.

The sun is up for about 13 h 32 min in mid-December, 17 minutes more than a month before.

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 August and July.

Against its neighbours, Nilópolis runs about middling and about as wet in December. São João de Meriti, 4 km to the E, sees much the same highs.

December in Nilópolis, by the numbers

Warmth rank
4th warmest of 12
Rain rank
3rd wettest of 12
Versus November
1° warmer, 50 mm more rain
Versus January
2° colder
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
13 h 32 min
Average wind
9 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
São João de MeritiRio de Janeiro4 km E32°21°182 mm
Belford RoxoRio de Janeiro5 km NNE31°21°203 mm
Nova IguaçuRio de Janeiro7 km NW31°20°209 mm
AcariRio de Janeiro8 km ESE32°21°182 mm
Duque de CaxiasRio de Janeiro11 km ENE31°21°190 mm
CordovilRio de Janeiro11 km E31°21°174 mm
QueimadosRio de Janeiro18 km NW31°20°221 mm
Barra da TijucaRio de Janeiro22 km SSE31°21°140 mm

The Almanac · Nilópolis 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 191 mm, the 3rd wettest month.

Climate of Nilópolis by month
MonthHighLowRainWindDaylightVisit
January33°21°217 mm8 km/h13 h 23 min✦✦
February33°21°184 mm8 km/h12 h 53 min✦
March32°21°199 mm7 km/h12 h 17 min✦✦
April30°19°121 mm7 km/h11 h 35 min✦✦
May28°17°90 mm7 km/h11 h 2 min✦✦✦
June28°16°56 mm6 km/h10 h 45 min✦✦✦✦
July27°15°54 mm7 km/h10 h 52 min✦✦✦✦
August29°15°43 mm8 km/h11 h 20 min✦✦✦✦✦
September29°17°62 mm9 km/h12 h 0 min✦✦✦✦
October30°18°96 mm10 km/h12 h 40 min✦✦
November30°19°141 mm9 km/h13 h 15 min✦✦
December31°21°191 mm9 km/h13 h 32 min✦✦

Questions Readers Ask about Nilópolis in December

Answered from the wire & the Almanac

What is the weather like in Nilópolis in December?

Days average 31 °C (89 °F) and nights 21 °C (69 °F), with about 191 mm (7.5 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 191 mm, the 3rd wettest month.

Is December a good time to visit Nilópolis?

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

How long are the days in Nilópolis in December?

In mid-December the sun is up for about 13 h 32 min. These are the longest days of the year; the shortest, in June, last 10 h 45 min.

Does it snow in Nilópolis in December?

Hardly — December nights average 21 °C (69 °F), above freezing.

What should I pack for Nilópolis 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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