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

Saint John in June

The short of it: Saint John in June averages a high of 20 °C (68 °F) and a low of 10 °C (50 °F), with 101 mm (4.0 in) of rain and about 15 h 38 min of daylight. Rated 3 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.

Average high 20° · low 10° · rain 101 mm · daylight 15 h 38 min

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

Thirty years of records give Saint John an average June high of 20°, a low of 10° and some 101 mm of rain. Spring takes hold here: highs climb 5° from May to about 20°, with nights near 10°. Wet spells are common — about 101 mm, the 8th wettest month.

The sun is up for about 15 h 38 min in mid-June, 46 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; the finest months here are August and July.

Against its neighbours, Saint John runs warmer than most and wetter than most in June. Uptown Saint John, 0 km to the NW, sees much the same highs.

June in Saint John, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
8th wettest of 12
Versus May
5° warmer, 9.0 mm less rain
Versus July
3° colder
Day–night spread
10°
Snow season
Dec–Apr
Daylight, mid-month
15 h 38 min
Average wind
13 km/h

Neighbouring Towns

June averages · distance by the crow’s flight
TownDistanceHighLowRain
Uptown Saint JohnNew Brunswick0 km NW20°10°101 mm
South EndNew Brunswick0 km SSE20°10°101 mm
IndiantownNew Brunswick2 km WNW20°10°101 mm
North EndNew Brunswick2 km W20°10°101 mm
Saint John WestNew Brunswick2 km SW20°10°101 mm
Saint John EastNew Brunswick2 km NNE20°10°102 mm
Fundy HeightsNew Brunswick2 km SSW20°10°101 mm
Westmorland HeightsNew Brunswick3 km NNE20°10°100 mm

The Almanac · Saint John Month by Month

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

Spring takes hold here: highs climb 5° from May to about 20°, with nights near 10°. Wet spells are common — about 101 mm, the 8th wettest month.

Climate of Saint John by month
MonthHighLowRainWindDaylightVisit
January-3°-12°117 mm17 km/h9 h 6 min✦
February-1°-11°88 mm17 km/h10 h 20 min✦
March3°-6°113 mm17 km/h11 h 47 min✦
April9°0°101 mm16 km/h13 h 27 min✦
May16°5°110 mm14 km/h14 h 51 min✦✦
June20°10°101 mm13 km/h15 h 38 min✦✦✦
July23°13°80 mm12 km/h15 h 19 min✦✦✦
August24°14°64 mm12 km/h14 h 5 min✦✦✦✦
September20°10°104 mm13 km/h12 h 27 min✦✦✦
October14°5°134 mm15 km/h10 h 51 min✦✦
November7°-1°130 mm16 km/h9 h 27 min✦
December1°-7°133 mm17 km/h8 h 45 min✦

Questions Readers Ask about Saint John in June

Answered from the wire & the Almanac

What is the weather like in Saint John in June?

Days average 20 °C (68 °F) and nights 10 °C (50 °F), with about 101 mm (4.0 in) of rain over the month. Spring takes hold here: highs climb 5° from May to about 20°, with nights near 10°. Wet spells are common — about 101 mm, the 8th wettest month.

Is June a good time to visit Saint John?

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

How long are the days in Saint John in June?

In mid-June the sun is up for about 15 h 38 min. These are the longest days of the year; the shortest, in December, last 8 h 45 min.

Does it snow in Saint John in June?

Hardly — June nights average 10 °C (50 °F), above freezing.

What should I pack for Saint John 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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