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

Alliston Weather in June

Alliston in June

The short of it: Alliston in June averages a high of 23 °C (74 °F) and a low of 11 °C (52 °F), with 88 mm (3.5 in) of rain and about 15 h 29 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 23° · low 11° · rain 88 mm · daylight 15 h 29 min

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

Thirty years of records give Alliston an average June high of 23°, a low of 11° and some 88 mm of rain. Highs rise 5° against May, to near 23°; nights run about 11°. It is the wettest month of the year here, about 88 mm.

The sun is up for about 15 h 29 min in mid-June, 44 minutes more than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates June 3 of 5 for a visit; it is the best month of the year to come.

Against its neighbours, Alliston runs warmer than most and about as wet in June. Innisfil, 24 km to the NE, sees much the same highs.

June in Alliston, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
1st wettest of 12
Versus May
5° warmer, 3.0 mm more rain
Versus July
3° colder
Day–night spread
12°
Snow season
Nov–Apr
Daylight, mid-month
15 h 29 min
Average wind
12 km/h

Neighbouring Towns

June averages · distance by the crow’s flight
TownDistanceHighLowRain
InnisfilOntario24 km NE23°11°94 mm
BoltonOntario32 km SSE23°11°80 mm
OrangevilleOntario32 km SW22°11°86 mm
BarrieOntario32 km NNE23°11°94 mm
CaledonOntario33 km SSW22°11°85 mm
NewmarketOntario34 km ESE23°12°91 mm
AuroraOntario36 km ESE23°12°89 mm
VaughanOntario46 km SE24°13°83 mm

The Almanac · Alliston Month by Month

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

Highs rise 5° against May, to near 23°; nights run about 11°. It is the wettest month of the year here, about 88 mm.

Climate of Alliston by month
MonthHighLowRainWindDaylightVisit
January-3°-11°60 mm17 km/h9 h 13 min✦
February-2°-12°55 mm16 km/h10 h 24 min✦
March3°-6°48 mm15 km/h11 h 47 min✦
April10°0°72 mm16 km/h13 h 24 min✦
May18°6°85 mm14 km/h14 h 45 min✦✦✦
June23°11°88 mm12 km/h15 h 29 min✦✦✦
July26°14°77 mm12 km/h15 h 11 min✦✦✦
August26°14°72 mm12 km/h14 h 0 min✦✦✦
September22°10°74 mm12 km/h12 h 27 min✦✦✦
October14°5°77 mm15 km/h10 h 54 min✦✦
November7°-1°74 mm16 km/h9 h 33 min✦
December1°-6°58 mm17 km/h8 h 53 min✦

Questions Readers Ask about Alliston in June

Answered from the wire & the Almanac

What is the weather like in Alliston in June?

Days average 23 °C (74 °F) and nights 11 °C (52 °F), with about 88 mm (3.5 in) of rain over the month. Highs rise 5° against May, to near 23°; nights run about 11°. It is the wettest month of the year here, about 88 mm.

Is June a good time to visit Alliston?

The Almanac gives June 3 of 5 (fair). It is the best month of the year to visit.

How long are the days in Alliston in June?

In mid-June the sun is up for about 15 h 29 min. These are the longest days of the year; the shortest, in December, last 8 h 53 min.

Does it snow in Alliston in June?

Hardly — June nights average 11 °C (52 °F), above freezing.

What should I pack for Alliston in June?

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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