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

Henderson in May

The short of it: Henderson in May averages a high of 18 °C (64 °F) and a low of 8 °C (46 °F), with 78 mm (3.1 in) of rain and about 14 h 45 min of daylight. Rated 3 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 78 mm · daylight 14 h 45 min

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

May in Henderson brings afternoons near 18° and nights around 8°, with about 78 mm of rain over the month. Highs rise 7° against April, to near 18°; nights run about 8°. Wet spells are common — about 78 mm, the 8th wettest month.

The sun is up for about 14 h 45 min in mid-May, 81 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 July and June.

Against its neighbours, Henderson runs warmer than most and wetter than most in May. Reddendale, 1 km to the SE, sees much the same highs.

May in Henderson, by the numbers

Warmth rank
5th warmest of 12
Rain rank
8th wettest of 12
Versus April
7° warmer, 17 mm less rain
Versus June
5° colder
Day–night spread
10°
Snow season
Nov–Mar
Daylight, mid-month
14 h 45 min
Average wind
14 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
ReddendaleOntario1 km SE18°8°78 mm
Auden ParkOntario1 km NNW18°8°77 mm
Lemoine PointOntario2 km WNW18°8°77 mm
Bayridge EastOntario2 km NNW18°8°77 mm
Gardiners/MeadowbrookOntario3 km NNE18°8°78 mm
Bayridge WestOntario3 km NW18°8°77 mm
Sutton MillsOntario3 km N18°8°81 mm
Polson ParkOntario4 km ENE18°8°78 mm

The Almanac · Henderson Month by Month

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

Highs rise 7° against April, to near 18°; nights run about 8°. Wet spells are common — about 78 mm, the 8th wettest month.

Climate of Henderson by month
MonthHighLowRainWindDaylightVisit
January-2°-11°78 mm18 km/h9 h 13 min✦
February-1°-11°66 mm17 km/h10 h 24 min✦
March4°-5°67 mm16 km/h11 h 47 min✦
April11°1°95 mm16 km/h13 h 24 min✦✦
May18°8°78 mm14 km/h14 h 45 min✦✦✦
June23°13°83 mm12 km/h15 h 30 min✦✦✦
July26°16°67 mm12 km/h15 h 11 min✦✦✦✦
August26°16°85 mm11 km/h14 h 0 min✦✦✦
September22°12°85 mm13 km/h12 h 27 min✦✦✦
October14°5°104 mm16 km/h10 h 54 min✦✦
November8°0°94 mm17 km/h9 h 32 min✦
December1°-6°87 mm18 km/h8 h 53 min✦

Questions Readers Ask about Henderson in May

Answered from the wire & the Almanac

What is the weather like in Henderson in May?

Days average 18 °C (64 °F) and nights 8 °C (46 °F), with about 78 mm (3.1 in) of rain over the month. Highs rise 7° against April, to near 18°; nights run about 8°. Wet spells are common — about 78 mm, the 8th wettest month.

Is May a good time to visit Henderson?

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

How long are the days in Henderson in May?

In mid-May the sun is up for about 14 h 45 min. The days are lengthening — from 8 h 53 min in December to 15 h 30 min in June.

Does it snow in Henderson in May?

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

What should I pack for Henderson 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