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

Nilópolis in May

The short of it: Nilópolis in May averages a high of 28 °C (83 °F) and a low of 17 °C (62 °F), with 90 mm (3.5 in) of rain and about 11 h 2 min of daylight. Rated 3 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high 28° · low 17° · rain 90 mm · daylight 11 h 2 min

✦✦✦ Fair for a visit · best months: August & July

Thirty years of records give Nilópolis an average May high of 28°, a low of 17° and some 90 mm of rain. Much like April: highs about 28°, nights near 17°. Easy travelling weather. Wet spells are common — about 90 mm, the 8th wettest month.

The sun is up for about 11 h 2 min in mid-May, 33 minutes less than a month before.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are August and July.

Against its neighbours, Nilópolis runs about middling and wetter than most in May. São João de Meriti, 4 km to the E, sees much the same highs.

May in Nilópolis, by the numbers

Warmth rank
10th warmest of 12
Rain rank
8th wettest of 12
Versus April
2° colder, 31 mm less rain
Versus June
about the same
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
11 h 2 min
Average wind
7 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
São João de MeritiRio de Janeiro4 km E28°17°89 mm
Belford RoxoRio de Janeiro5 km NNE28°17°90 mm
Nova IguaçuRio de Janeiro7 km NW28°16°91 mm
AcariRio de Janeiro8 km ESE28°17°89 mm
Duque de CaxiasRio de Janeiro11 km ENE28°17°88 mm
CordovilRio de Janeiro11 km E28°17°86 mm
QueimadosRio de Janeiro18 km NW28°16°81 mm
Barra da TijucaRio de Janeiro22 km SSE28°17°88 mm

The Almanac · Nilópolis Month by Month

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

Much like April: highs about 28°, nights near 17°. Easy travelling weather. Wet spells are common — about 90 mm, the 8th 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 May

Answered from the wire & the Almanac

What is the weather like in Nilópolis in May?

Days average 28 °C (83 °F) and nights 17 °C (62 °F), with about 90 mm (3.5 in) of rain over the month. Much like April: highs about 28°, nights near 17°. Easy travelling weather. Wet spells are common — about 90 mm, the 8th wettest month.

Is May a good time to visit Nilópolis?

The Almanac gives May 3 of 5 (fair). The best months are August and July.

How long are the days in Nilópolis in May?

In mid-May the sun is up for about 11 h 2 min. The days are shortening — from 10 h 45 min in June to 13 h 32 min in December.

Does it snow in Nilópolis in May?

Hardly — May nights average 17 °C (62 °F), above freezing.

What should I pack for Nilópolis in May?

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