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

Castelli in May

The short of it: Castelli in May averages a high of 18 °C (64 °F) and a low of 7 °C (44 °F), with 63 mm (2.5 in) of rain and about 10 h 14 min of daylight. Rated 4 of 5 for a visit; the best months are May and November. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 7° · rain 63 mm · daylight 10 h 14 min

✦✦✦✦ Recommended for a visit · best months: May & November

Thirty years of records give Castelli an average May high of 18°, a low of 7° and some 63 mm of rain. The year turns hard here: highs drop 4° from April to about 18°, with nights near 7°. Wet spells are common — about 63 mm, the 10th wettest month.

The sun is up for about 10 h 14 min in mid-May, 59 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 4 of 5 for a visit; it is the best month of the year to come.

Against its neighbours, Castelli runs cooler than most and drier than most in May. Manuel J. Cobo, 25 km to the NNW, sees much the same highs.

May in Castelli, by the numbers

Warmth rank
8th warmest of 12
Rain rank
10th wettest of 12
Versus April
4° colder, 28 mm less rain
Versus June
3° warmer
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
10 h 14 min
Average wind
9 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
Manuel J. CoboBuenos Aires25 km NNW18°7°69 mm
DoloresBuenos Aires28 km SSE18°7°61 mm
PilaBuenos Aires32 km WNW18°7°64 mm
ChascomúsBuenos Aires60 km NNW18°8°78 mm
General GuidoBuenos Aires61 km S17°6°56 mm
General ConesaBuenos Aires64 km SE17°7°65 mm
General BelgranoBuenos Aires71 km WNW18°7°68 mm
General LavalleBuenos Aires85 km ESE17°8°70 mm

The Almanac · Castelli Month by Month

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

The year turns hard here: highs drop 4° from April to about 18°, with nights near 7°. Wet spells are common — about 63 mm, the 10th wettest month.

Climate of Castelli by month
MonthHighLowRainWindDaylightVisit
January29°16°104 mm13 km/h14 h 21 min✦✦✦
February27°15°91 mm12 km/h13 h 28 min✦✦✦
March25°13°85 mm11 km/h12 h 25 min✦✦✦
April22°10°91 mm10 km/h11 h 13 min✦✦✦
May18°7°63 mm9 km/h10 h 14 min✦✦✦✦
June15°4°67 mm9 km/h9 h 43 min✦✦✦
July13°3°60 mm10 km/h9 h 56 min✦✦✦
August15°5°57 mm12 km/h10 h 46 min✦✦✦
September17°7°74 mm13 km/h11 h 55 min✦✦✦
October21°10°96 mm13 km/h13 h 5 min✦✦✦
November24°12°91 mm14 km/h14 h 6 min✦✦✦
December27°14°77 mm14 km/h14 h 36 min✦✦✦

Questions Readers Ask about Castelli in May

Answered from the wire & the Almanac

What is the weather like in Castelli in May?

Days average 18 °C (64 °F) and nights 7 °C (44 °F), with about 63 mm (2.5 in) of rain over the month. The year turns hard here: highs drop 4° from April to about 18°, with nights near 7°. Wet spells are common — about 63 mm, the 10th wettest month.

Is May a good time to visit Castelli?

The Almanac gives May 4 of 5 (recommended). It is the best month of the year to visit.

How long are the days in Castelli in May?

In mid-May the sun is up for about 10 h 14 min. The days are shortening — from 9 h 43 min in June to 14 h 36 min in December.

Does it snow in Castelli in May?

Hardly — May nights average 7 °C (44 °F), above freezing.

What should I pack for Castelli in May?

Layers, a warm coat and stout boots, 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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