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

Caledon in May

The short of it: Caledon in May averages a high of 17 °C (63 °F) and a low of 6 °C (42 °F), with 90 mm (3.5 in) of rain and about 14 h 43 min of daylight. Rated 3 of 5 for a visit; the best months are June and August. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 6° · rain 90 mm · daylight 14 h 43 min

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

May in Caledon brings afternoons near 17° and nights around 6°, with about 90 mm of rain over the month. Highs rise 8° against April, to near 17°; nights run about 6°. It is the wettest month of the year here, about 90 mm. The snow cover usually melts away this month.

The sun is up for about 14 h 43 min in mid-May, 80 minutes more than a month before.

For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are June and August.

Against its neighbours, Caledon runs cooler than most and wetter than most in May. Orangeville, 10 km to the NW, sees much the same highs.

May in Caledon, by the numbers

Warmth rank
5th warmest of 12
Rain rank
1st wettest of 12
Versus April
8° warmer, 11 mm more rain
Versus June
5° colder
Day–night spread
12°
Snow season
Nov–Apr
Daylight, mid-month
14 h 43 min
Average wind
14 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
OrangevilleOntario10 km NW17°6°93 mm
GeorgetownOntario25 km SSE18°7°89 mm
Halton HillsOntario26 km S18°6°89 mm
BramptonOntario27 km SE19°7°84 mm
Mount Olive-Silverstone-JamestownOntario35 km ESE19°8°77 mm
West Humber-ClairvilleOntario36 km ESE19°8°77 mm
MiltonOntario40 km SSE18°7°92 mm
VaughanOntario40 km E18°7°81 mm

The Almanac · Caledon Month by Month

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

Highs rise 8° against April, to near 17°; nights run about 6°. It is the wettest month of the year here, about 90 mm. The snow cover usually melts away this month.

Climate of Caledon by month
MonthHighLowRainWindDaylightVisit
January-4°-11°66 mm17 km/h9 h 15 min✦
February-3°-12°58 mm17 km/h10 h 25 min✦
March2°-7°52 mm16 km/h11 h 48 min✦
April9°-1°79 mm16 km/h13 h 23 min✦
May17°6°90 mm14 km/h14 h 43 min✦✦✦
June22°11°85 mm12 km/h15 h 27 min✦✦✦
July25°14°84 mm12 km/h15 h 9 min✦✦✦
August25°13°78 mm11 km/h13 h 59 min✦✦✦
September21°10°76 mm12 km/h12 h 26 min✦✦✦
October13°4°83 mm15 km/h10 h 55 min✦✦
November6°-1°78 mm16 km/h9 h 34 min✦
December0°-6°59 mm17 km/h8 h 55 min✦

Questions Readers Ask about Caledon in May

Answered from the wire & the Almanac

What is the weather like in Caledon in May?

Days average 17 °C (63 °F) and nights 6 °C (42 °F), with about 90 mm (3.5 in) of rain over the month. Highs rise 8° against April, to near 17°; nights run about 6°. It is the wettest month of the year here, about 90 mm. The snow cover usually melts away this month.

Is May a good time to visit Caledon?

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

How long are the days in Caledon in May?

In mid-May the sun is up for about 14 h 43 min. The days are lengthening — from 8 h 55 min in December to 15 h 27 min in June.

Does it snow in Caledon in May?

Hardly — May nights average 6 °C (42 °F), above freezing.

What should I pack for Caledon 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