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

Ottawa in June

The short of it: Ottawa in June averages a high of 25 °C (76 °F) and a low of 13 °C (56 °F), with 92 mm (3.6 in) of rain and about 15 h 39 min of daylight. Rated 3 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.

Average high 25° · low 13° · rain 92 mm · daylight 15 h 39 min

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

Thirty years of records give Ottawa an average June high of 25°, a low of 13° and some 92 mm of rain. Highs rise 5° against May, to near 25°; nights run about 13°. Wet spells are common — about 92 mm, the 2nd wettest month.

The sun is up for about 15 h 39 min in mid-June, 47 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 September and June.

Against its neighbours, Ottawa runs warmer than most and wetter than most in June. Centretown, 0 km to the NNE, sees much the same highs.

June in Ottawa, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
2nd wettest of 12
Versus May
5° warmer, 5.0 mm more rain
Versus July
3° colder
Day–night spread
12°
Snow season
Nov–Mar
Daylight, mid-month
15 h 39 min
Average wind
9 km/h

Neighbouring Towns

June averages · distance by the crow’s flight
TownDistanceHighLowRain
CentretownOntario0 km NNE25°13°92 mm
The GlebeOntario1 km SE25°13°92 mm
HullQuebec2 km NNW24°13°92 mm
Sandy HillOntario2 km NE25°13°93 mm
Ottawa SouthOntario2 km SSE25°13°92 mm
LowertownOntario2 km N25°13°93 mm
HintonburgOntario2 km WSW24°13°90 mm
New EdinburghOntario3 km NNE25°13°93 mm

The Almanac · Ottawa Month by Month

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

Highs rise 5° against May, to near 25°; nights run about 13°. Wet spells are common — about 92 mm, the 2nd wettest month.

Climate of Ottawa by month
MonthHighLowRainWindDaylightVisit
January-5°-15°62 mm12 km/h9 h 5 min✦
February-3°-14°57 mm12 km/h10 h 19 min✦
March3°-7°63 mm12 km/h11 h 47 min✦
April11°1°78 mm13 km/h13 h 27 min✦✦
May19°8°87 mm11 km/h14 h 52 min✦✦✦
June25°13°92 mm9 km/h15 h 39 min✦✦✦
July27°16°96 mm9 km/h15 h 20 min✦✦✦
August26°15°92 mm9 km/h14 h 5 min✦✦✦
September22°11°82 mm9 km/h12 h 28 min✦✦✦
October14°5°89 mm11 km/h10 h 51 min✦✦
November6°-2°75 mm12 km/h9 h 26 min✦
December-1°-9°76 mm12 km/h8 h 44 min✦

Questions Readers Ask about Ottawa in June

Answered from the wire & the Almanac

What is the weather like in Ottawa in June?

Days average 25 °C (76 °F) and nights 13 °C (56 °F), with about 92 mm (3.6 in) of rain over the month. Highs rise 5° against May, to near 25°; nights run about 13°. Wet spells are common — about 92 mm, the 2nd wettest month.

Is June a good time to visit Ottawa?

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

How long are the days in Ottawa in June?

In mid-June the sun is up for about 15 h 39 min. These are the longest days of the year; the shortest, in December, last 8 h 44 min.

Does it snow in Ottawa in June?

Hardly — June nights average 13 °C (56 °F), above freezing.

What should I pack for Ottawa 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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