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

Belleville in May

The short of it: Belleville in May averages a high of 19 °C (66 °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 19° · low 8° · rain 78 mm · daylight 14 h 45 min

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

May in Belleville brings afternoons near 19° and nights around 8°, with about 78 mm of rain over the month. Highs rise 7° against April, to near 19°; nights run about 8°. Wet spells are common — about 78 mm, the 5th 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, Belleville runs warmer than most and wetter than most in May. Quinte West, 16 km to the WSW, sees much the same highs.

May in Belleville, by the numbers

Warmth rank
5th warmest of 12
Rain rank
5th wettest of 12
Versus April
7° warmer, 6.0 mm less rain
Versus June
5° colder
Day–night spread
11°
Snow season
Nov–Mar
Daylight, mid-month
14 h 45 min
Average wind
13 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
Quinte WestOntario16 km WSW19°8°76 mm
StirlingOntario20 km NW19°7°82 mm
Prince EdwardOntario21 km SSE18°8°72 mm
PictonOntario26 km SE18°8°75 mm
DeserontoOntario27 km E18°8°75 mm
TweedOntario35 km N18°7°83 mm
Napanee DowntownOntario36 km ENE18°8°76 mm
Greater NapaneeOntario36 km ENE18°8°77 mm

The Almanac · Belleville 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 19°; nights run about 8°. Wet spells are common — about 78 mm, the 5th wettest month.

Climate of Belleville by month
MonthHighLowRainWindDaylightVisit
January-2°-11°75 mm17 km/h9 h 13 min✦
February-1°-11°59 mm16 km/h10 h 24 min✦
March4°-5°61 mm15 km/h11 h 47 min✦✦
April12°2°84 mm15 km/h13 h 24 min✦✦
May19°8°78 mm13 km/h14 h 45 min✦✦✦
June24°13°82 mm12 km/h15 h 29 min✦✦✦
July26°16°68 mm11 km/h15 h 11 min✦✦✦✦
August26°15°76 mm11 km/h14 h 0 min✦✦✦
September22°11°77 mm12 km/h12 h 27 min✦✦✦
October14°5°92 mm14 km/h10 h 54 min✦✦
November7°-1°88 mm15 km/h9 h 33 min✦
December1°-7°78 mm17 km/h8 h 53 min✦

Questions Readers Ask about Belleville in May

Answered from the wire & the Almanac

What is the weather like in Belleville in May?

Days average 19 °C (66 °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 19°; nights run about 8°. Wet spells are common — about 78 mm, the 5th wettest month.

Is May a good time to visit Belleville?

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

How long are the days in Belleville 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 29 min in June.

Does it snow in Belleville in May?

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

What should I pack for Belleville 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