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

Greenstone in May

The short of it: Greenstone in May averages a high of 13 °C (56 °F) and a low of 1 °C (33 °F), with 84 mm (3.3 in) of rain and about 15 h 21 min of daylight. Rated 2 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 13° · low 1° · rain 84 mm · daylight 15 h 21 min

✦✦ Travel with care for a visit · best months: July & August

Thirty years of records give Greenstone an average May high of 13°, a low of 1° and some 84 mm of rain. Highs rise 7° against April, to near 13°; nights run about 1°. Wet spells are common — about 84 mm, the 6th wettest month. The snow cover usually melts away this month.

The sun is up for about 15 h 21 min in mid-May, 100 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 2 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Greenstone runs cooler than most and wetter than most in May. Geraldton, 16 km to the E, is 1° warmer by day.

May in Greenstone, by the numbers

Warmth rank
5th warmest of 12
Rain rank
6th wettest of 12
Versus April
7° warmer, 30 mm more rain
Versus June
7° colder
Day–night spread
13°
Snow season
Oct–Apr
Daylight, mid-month
15 h 21 min
Average wind
13 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
GeraldtonOntario16 km E14°1°82 mm
SchreiberOntario103 km S13°3°91 mm
Terrace BayOntario106 km S13°3°84 mm
NipigonOntario113 km SW15°2°70 mm
ManitouwadgeOntario118 km SE15°1°74 mm
Amethyst HarbourOntario181 km SW14°2°75 mm
HornepayneOntario182 km ESE15°1°76 mm
White RiverOntario187 km SE15°2°80 mm

The Almanac · Greenstone Month by Month

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

Highs rise 7° against April, to near 13°; nights run about 1°. Wet spells are common — about 84 mm, the 6th wettest month. The snow cover usually melts away this month.

Climate of Greenstone by month
MonthHighLowRainWindDaylightVisit
January-12°-24°39 mm12 km/h8 h 34 min✦✦
February-9°-23°28 mm12 km/h10 h 2 min✦✦
March-1°-16°31 mm12 km/h11 h 44 min✦✦
April6°-7°54 mm13 km/h13 h 41 min✦
May13°1°84 mm13 km/h15 h 21 min✦✦
June20°7°88 mm11 km/h16 h 18 min✦✦✦
July23°10°105 mm10 km/h15 h 54 min✦✦✦
August22°10°86 mm12 km/h14 h 26 min✦✦✦
September16°6°111 mm13 km/h12 h 31 min✦✦✦
October8°0°86 mm13 km/h10 h 39 min✦
November-1°-8°62 mm13 km/h8 h 58 min✦
December-8°-18°53 mm12 km/h8 h 8 min✦

Questions Readers Ask about Greenstone in May

Answered from the wire & the Almanac

What is the weather like in Greenstone in May?

Days average 13 °C (56 °F) and nights 1 °C (33 °F), with about 84 mm (3.3 in) of rain over the month. Highs rise 7° against April, to near 13°; nights run about 1°. Wet spells are common — about 84 mm, the 6th wettest month. The snow cover usually melts away this month.

Is May a good time to visit Greenstone?

The Almanac gives May 2 of 5 (travel with care). The best months are July and August.

How long are the days in Greenstone in May?

In mid-May the sun is up for about 15 h 21 min. The days are lengthening — from 8 h 8 min in December to 16 h 18 min in June.

Does it snow in Greenstone in May?

Hardly — May nights average 1 °C (33 °F), above freezing.

What should I pack for Greenstone 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