Weather in Peterborough in June

Canada · 20-year averages, June

Prime time. If you get to pick your dates, June is the one. Highs average 24.8 °C, lows 12.7 °C, and rain falls on 11 days — nothing in the month is working against you.

June ranks 2 of 12 in Peterborough. Only September scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 11 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 4 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 36 °C and the coldest night fell to 2.9 °C.

June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 107 mm against 23 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 59 mm average is a reasonable planning figure, not a promise.

Wind is light at 1.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 69%.

How June sits in the year

The month is on the way up: 5.4 °C warmer than May, and July adds another 3.7 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in June

June is at or near the longest days of Peterborough's year: 15.5 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

Peterborough has no sea to moderate it, and it shows: 41.1 °C separates the hottest afternoon of the year from the coldest night. That is a genuinely continental range, and it means summer and winter here are barely the same place.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Peterborough versus nearby

If Peterborough is one option among several, the nearby comparison is worth making. Barrie is close enough to be a coin toss — 2.5 °C cooler, the same number of rain days. Toronto is close enough to be a coin toss — 4.2 °C cooler, 4 days more rain.

So: June is effectively as good as it gets here — 3 points behind September, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Peterborough

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January-3.8-12.6 1045919.221
February-2.7-12.3 9439010.422
March3.6-6.4 10478211.823
April11.60.1 12587613.453
May19.46.8 11607314.778
June24.812.7 11596915.581
July28.516.3 12606415.273
August27.715.7 11516514.178
September23.711.7 9536912.684
October14.65.1 12607611.162
November6.8-1.2 1053829.739
December-0.4-7.8 1155898.919

See all twelve months in Peterborough, or where else to go in June.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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