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

Castro in May

The short of it: Castro in May averages a high of 21 °C (69 °F) and a low of 8 °C (46 °F), with 108 mm (4.3 in) of rain and about 10 h 56 min of daylight. Rated 3 of 5 for a visit; the best months are November and October. Source: TerraClimate climate normals, 1991–2020.

Average high 21° · low 8° · rain 108 mm · daylight 10 h 56 min

✦✦✦ Fair for a visit · best months: November & October

Thirty years of records give Castro an average May high of 21°, a low of 8° and some 108 mm of rain. Much like April: highs about 21°, nights near 8°. Easy travelling weather. Wet spells are common — about 108 mm, the 9th wettest month.

The sun is up for about 10 h 56 min in mid-May, 37 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are November and October.

Against its neighbours, Castro runs cooler than most and wetter than most in May. Carambeí, 21 km to the SSW, is 1° cooler by day.

May in Castro, by the numbers

Warmth rank
10th warmest of 12
Rain rank
9th wettest of 12
Versus April
3° colder, 9.0 mm more rain
Versus June
1° warmer
Day–night spread
13°
Snow season
seldom any
Daylight, mid-month
10 h 56 min
Average wind
6 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
CarambeíParaná21 km SSW20°8°96 mm
Piraí do SulParaná30 km NNE21°7°97 mm
Ponta GrossaParaná37 km SSW21°9°86 mm
TibagiParaná51 km NW22°9°76 mm
IpirangaParaná63 km WSW21°9°80 mm
Doutor UlyssesParaná65 km ENE21°8°85 mm
VentaniaParaná65 km NNW22°8°76 mm
JaguariaívaParaná68 km NNE22°7°71 mm

The Almanac · Castro Month by Month

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

Much like April: highs about 21°, nights near 8°. Easy travelling weather. Wet spells are common — about 108 mm, the 9th wettest month.

Climate of Castro by month
MonthHighLowRainWindDaylightVisit
January26°16°234 mm7 km/h13 h 31 min✦✦✦
February26°15°165 mm6 km/h12 h 58 min✦✦✦
March25°15°126 mm7 km/h12 h 18 min✦✦✦
April24°12°99 mm6 km/h11 h 32 min✦✦✦
May21°8°108 mm6 km/h10 h 56 min✦✦✦
June20°7°127 mm6 km/h10 h 36 min✦✦✦
July20°7°94 mm6 km/h10 h 44 min✦✦✦
August21°8°78 mm6 km/h11 h 16 min✦✦✦
September22°10°132 mm8 km/h11 h 59 min✦✦✦
October24°12°146 mm8 km/h12 h 43 min✦✦✦
November23°13°125 mm8 km/h13 h 22 min✦✦✦
December25°14°168 mm7 km/h13 h 40 min✦✦✦

Questions Readers Ask about Castro in May

Answered from the wire & the Almanac

What is the weather like in Castro in May?

Days average 21 °C (69 °F) and nights 8 °C (46 °F), with about 108 mm (4.3 in) of rain over the month. Much like April: highs about 21°, nights near 8°. Easy travelling weather. Wet spells are common — about 108 mm, the 9th wettest month.

Is May a good time to visit Castro?

The Almanac gives May 3 of 5 (fair). The best months are November and October.

How long are the days in Castro in May?

In mid-May the sun is up for about 10 h 56 min. The days are shortening — from 10 h 36 min in June to 13 h 40 min in December.

Does it snow in Castro in May?

Hardly — May nights average 8 °C (46 °F), above freezing.

What should I pack for Castro in May?

Light clothes and a jacket for the evening, 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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