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
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | -3.8 | -12.6 | 10 | 45 | 91 | 9.2 | 21 |
| February | -2.7 | -12.3 | 9 | 43 | 90 | 10.4 | 22 |
| March | 3.6 | -6.4 | 10 | 47 | 82 | 11.8 | 23 |
| April | 11.6 | 0.1 | 12 | 58 | 76 | 13.4 | 53 |
| May | 19.4 | 6.8 | 11 | 60 | 73 | 14.7 | 78 |
| June | 24.8 | 12.7 | 11 | 59 | 69 | 15.5 | 81 |
| July | 28.5 | 16.3 | 12 | 60 | 64 | 15.2 | 73 |
| August | 27.7 | 15.7 | 11 | 51 | 65 | 14.1 | 78 |
| September | 23.7 | 11.7 | 9 | 53 | 69 | 12.6 | 84 |
| October | 14.6 | 5.1 | 12 | 60 | 76 | 11.1 | 62 |
| November | 6.8 | -1.2 | 10 | 53 | 82 | 9.7 | 39 |
| December | -0.4 | -7.8 | 11 | 55 | 89 | 8.9 | 19 |
See all twelve months in Peterborough, or where else to go in June.
Planning the rest of the trip
- Where to eat & stay in Peterborough every café, restaurant and hotel
- Flight time to Peterborough how long you are actually in the air
- Peterborough time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Peterborough keep training while you are there