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

Arnprior in May

The short of it: Arnprior in May averages a high of 18 °C (65 °F) and a low of 6 °C (43 °F), with 80 mm (3.1 in) of rain and about 14 h 52 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 18° · low 6° · rain 80 mm · daylight 14 h 52 min

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

May in Arnprior brings afternoons near 18° and nights around 6°, with about 80 mm of rain over the month. Highs rise 9° against April, to near 18°; nights run about 6°. Wet spells are common — about 80 mm, the 4th wettest month. The snow cover usually melts away this month.

The sun is up for about 14 h 52 min in mid-May, 85 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 September.

Against its neighbours, Arnprior runs about middling and about as wet in May. Shawville, 21 km to the NNW, sees much the same highs.

May in Arnprior, by the numbers

Warmth rank
5th warmest of 12
Rain rank
4th wettest of 12
Versus April
9° warmer, 10 mm more rain
Versus June
5° colder
Day–night spread
12°
Snow season
Nov–Apr
Daylight, mid-month
14 h 52 min
Average wind
12 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
ShawvilleQuebec21 km NNW18°5°83 mm
Constance BayOntario22 km ENE18°6°84 mm
Mississippi MillsOntario25 km SSE18°6°72 mm
AlmonteOntario26 km SSE18°6°72 mm
RenfrewOntario26 km W19°5°80 mm
CarpOntario26 km ESE18°6°82 mm
Kanata-LakesOntario36 km ESE18°7°82 mm
BeaverbrookOntario36 km ESE19°7°83 mm

The Almanac · Arnprior Month by Month

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

Highs rise 9° against April, to near 18°; nights run about 6°. Wet spells are common — about 80 mm, the 4th wettest month. The snow cover usually melts away this month.

Climate of Arnprior by month
MonthHighLowRainWindDaylightVisit
January-6°-16°60 mm12 km/h9 h 5 min✦
February-4°-15°46 mm12 km/h10 h 19 min✦
March2°-9°54 mm12 km/h11 h 47 min✦
April10°-1°70 mm13 km/h13 h 27 min✦✦
May18°6°80 mm12 km/h14 h 52 min✦✦✦
June24°11°79 mm10 km/h15 h 39 min✦✦✦
July26°14°92 mm9 km/h15 h 20 min✦✦✦
August26°14°81 mm9 km/h14 h 5 min✦✦✦
September22°10°75 mm10 km/h12 h 28 min✦✦✦
October13°4°81 mm12 km/h10 h 51 min✦✦
November6°-2°64 mm13 km/h9 h 26 min✦✦
December-2°-9°51 mm12 km/h8 h 44 min✦

Questions Readers Ask about Arnprior in May

Answered from the wire & the Almanac

What is the weather like in Arnprior in May?

Days average 18 °C (65 °F) and nights 6 °C (43 °F), with about 80 mm (3.1 in) of rain over the month. Highs rise 9° against April, to near 18°; nights run about 6°. Wet spells are common — about 80 mm, the 4th wettest month. The snow cover usually melts away this month.

Is May a good time to visit Arnprior?

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

How long are the days in Arnprior in May?

In mid-May the sun is up for about 14 h 52 min. The days are lengthening — from 8 h 44 min in December to 15 h 39 min in June.

Does it snow in Arnprior in May?

Hardly — May nights average 6 °C (43 °F), above freezing.

What should I pack for Arnprior 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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