AI-generatedPeterborough, Ontario at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 27°
- Sunshine a year
- 2,090 h
- Rain a year
- 932 mm
- Climate
- Continental
- Time zone
- UTC−5 / UTC−4
- Elevation
- 188 m
Climate in Peterborough, Ontario
Peterborough, Ontario has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 27 °C, while January is the coolest at −2 °C. With around 2,090 hours of sunshine a year, Peterborough, Ontario is moderately sunny; July is the sunniest month with 8.7 hours a day.
Holiday weather through the year
Best time to visit Peterborough, Ontario
The best time to visit Peterborough, Ontario is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. The wettest month is June with 98 mm of precipitation.
Peterborough, Ontario through the seasons
How the weather changes over the seasons, with averages for each.
Peterborough, Ontario in spring
Mar – May
Fair
- 5–20 °C by day
- 6.5 h of sun a day
- 33 rainy days in all
Peterborough, Ontario in summer
Jun – Aug
Excellent
- 25–27 °C by day
- 8.1 h of sun a day
- 33 rainy days in all
Peterborough, Ontario in autumn
Sep – Nov
Fair
- 7–22 °C by day
- 4.7 h of sun a day
- 30 rainy days in all
Peterborough, Ontario in winter
Dec – Feb
Poor
- −2–1 °C by day
- 3.5 h of sun a day
- 31 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Snow
Nov – Apr
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Peterborough, Ontario for you.
Your best months: May – June, September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 7°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 11°
- Night, 23:00: about 9°
07:2718:31
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:09–08:06 · evening 17:52–18:49
- Blue hour
- Morning 06:57–07:09 · evening 18:49–19:00
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Peterborough, Ontario compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 11° at the end. The days get 1.4 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 11° |
| Night-time low | 9° | 3° |
| Daylight | 11.8 h | 10.3 h |
What is the weather like in Peterborough, Ontario in October?
In October, Peterborough, Ontario is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 80 mm in total. All in all, October is a so-so month for a holiday in Peterborough, Ontario.
More details for October
- Daylight
- 11 h 5 min07:27 – 18:31
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4offset from UTC
How the score comes together
- Temperatureweight 50 %64 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Peterborough, Ontario
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Peterborough, Ontario: score 81 against 51. In June, days are 11 °C warmer than in October. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 51 | 81better |
| Daytime high | 14° | 25° |
| Night-time low | 6° | 14° |
| Sunshine | 4.4 h | 8.1 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 80 mmbetter | 98 mm |
| Muggy days | 0better | 3 |
Based on the climate averages 1996–2025.
Peterborough, Ontario month by month
The typical weather for every month at a glance.
17January−2° · 3.3 h
In January, Peterborough, Ontario is bitterly cold: daytime highs average −2 °C, and nights often drop below freezing (−11 °C). The sun is scarce, with only about 3.3 hours a day. Precipitation falls on about 11 days, totalling 66 mm; on about 7 of them it snows. All in all, January is not an ideal month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in January25February−1° · 4.5 h
In February, Peterborough, Ontario is bitterly cold: daytime highs average −1 °C, and nights often drop below freezing (−10 °C). Expect around 4.5 hours of sunshine a day. Precipitation falls on about 9 days, totalling 58 mm; on about 6 of them it snows. All in all, February is not an ideal month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in February25March5° · 5.6 h
In March, Peterborough, Ontario is cold: daytime highs average 5 °C, and nights often drop below freezing (−5 °C). Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 64 mm in total. Snow falls on about 5 days. All in all, March is not an ideal month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in March48April13° · 6.5 h
In April, Peterborough, Ontario is cool: daytime highs average 13 °C, and nights cool down to about 2 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 12 rainy days and 88 mm in total. Snow falls on about 2 days. All in all, April is a so-so month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in April80May20° · 7.5 h
In May, Peterborough, Ontario is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 7.5 hours a day. Rain is frequent, with about 11 rainy days and 82 mm in total. All in all, May is an excellent month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in May81June25° · 8.1 h
In June, Peterborough, Ontario is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sun shines for around 8.1 hours a day. Rain is frequent, with about 11 rainy days and 98 mm in total. All in all, June is an excellent month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in June81July27° · 8.7 h
In July, Peterborough, Ontario is hot: daytime highs average 27 °C, and nights cool down to about 17 °C. The sun shines for around 8.7 hours a day. Rain is frequent, with about 11 rainy days and 89 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in July81August26° · 7.6 h
In August, Peterborough, Ontario is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 7.6 hours a day. Rain is frequent, with about 11 rainy days and 84 mm in total. All in all, August is an excellent month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in August81September22° · 6.4 h
In September, Peterborough, Ontario is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 82 mm in total. All in all, September is an excellent month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in September51October14° · 4.4 h
In October, Peterborough, Ontario is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 80 mm in total. All in all, October is a so-so month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in October18November7° · 3.4 h
In November, Peterborough, Ontario is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in November14December1° · 2.7 h
In December, Peterborough, Ontario is bitterly cold: daytime highs average 1 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 2.7 hours a day. Precipitation falls on about 11 days, totalling 73 mm; on about 6 of them it snows. All in all, December is not an ideal month for a holiday in Peterborough, Ontario.
Peterborough, Ontario in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Peterborough, Ontario
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 6°. The room should be heated.
The coolest nights are in January (−11°), the warmest in July (17°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from October to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 17 | −2° | −11° | 3.3 h | 11 | 66 |
| FebruaryFeb | 25 | −1° | −10° | 4.5 h | 9 | 58 |
| MarchMar | 25 | 5° | −5° | 5.6 h | 11 | 64 |
| AprilApr | 48 | 13° | 2° | 6.5 h | 12 | 88 |
| MayMay | 80 | 20° | 9° | 7.5 h | 11 | 82 |
| JuneJun | 81 | 25° | 14° | 8.1 h | 11 | 98 |
| JulyJul | 81 | 27° | 17° | 8.7 h | 11 | 89 |
| AugustAug | 81 | 26° | 16° | 7.6 h | 11 | 84 |
| SeptemberSep | 81 | 22° | 12° | 6.4 h | 9 | 82 |
| OctoberOct | 51 | 14° | 6° | 4.4 h | 11 | 80 |
| NovemberNov | 18 | 7° | 0° | 3.4 h | 10 | 68 |
| DecemberDec | 14 | 1° | −6° | 2.7 h | 11 | 73 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
44.30° N, 78.32° W · 188 m · America/Toronto
Sunshine
Sunshine hours in Peterborough, Ontario
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.4 of 11.1 hours of daylight in Peterborough, Ontario, 40 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Peterborough, Ontario: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Peterborough, Ontario has about 11 rainy days with 80 mm of rain in total.
UV index
UV index in Peterborough, Ontario
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 50 min
- Light brown skin
- about 75 min
- Olive skin
- about 95 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Peterborough, Ontario
How breezy and how cloudy Peterborough, Ontario is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Peterborough, Ontario typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 63 % of the sky over Peterborough, Ontario: variable cloud, with about 4.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Peterborough, Ontario
How often the day gets hot in Peterborough, Ontario (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Peterborough, Ontario has about 0 hot days, with an average daytime high of 14 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow
Snow in Peterborough, Ontario
When Peterborough, Ontario is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Peterborough, Ontario.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Peterborough, Ontario
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Peterborough, Ontario in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Peterborough, Ontario has its best school-holiday weather during the summer holidays (score 81) and its weakest during the Christmas holidays (score 16).
- 41
Easter holidays
Mar – Apr
Fair
- 10 °C by day
- 6.2 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
- 80
May half-term
May – Jun
Excellent
- 21 °C by day
- 7.6 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 81
Summer holidays
Jul – Aug
ExcellentBest holidays
- 27 °C by day
- 8.0 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 51
October half-term
Oct
Fair
- 14 °C by day
- 4.4 h of sun a day
- 11 rainy days a month
- 16
Christmas holidays
Dec – Jan
Poor
- 0 °C by day
- 3.0 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 7 h 15 min
- Distance
- 5,580 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Canada
- Currency
- Canadian Dollar (CAD)
- Languages
- English, French
- Sockets
- Type A, B · 120 V
- Traffic
- Drives on the right
- Dialling code
- +1
- Emergency number
- 911
UK plugs need a travel adapter
Only 120 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Peterborough, Ontario compared
Put Peterborough, Ontario side by side with another destination.
Peterborough vs Port Hope
In October the holiday weather in Peterborough and Port Hope is about equally good (score 51 vs 55). During the day Port Hope is 1 °C warmer than Peterborough. Port Hope gets one more hour of sunshine a day.
| in October | Peterborough | Port Hope |
|---|---|---|
| Holiday weather score | 51 | 55 |
| Daytime high | 14° | 15° |
| Sunshine | 4 h | 5 h |
| Rainy days | 11 | 12 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Canada in October: the best places
In October, Peterborough, Ontario ranks 17 among the 31 nearest destinations in this country.
- Cobourg15°57
- 2St. Catharines16°57
- 3Hamilton15°57
- 4Port Hope15°55
- 5Oakville15°55
- 6Niagara Falls16°55
- 7Burlington15°55
- 8Whitby15°54
- 17PeterboroughThis page14°51
Places nearby
Near Peterborough, Ontario
Other destinations close by.
Places with a similar climate
Places with a climate like Peterborough, Ontario
Destinations whose weather through the year is closest to Peterborough, Ontario's – good alternatives.
Frequently asked questions about Peterborough, Ontario
When is the best time to visit Peterborough, Ontario?
The best time to visit Peterborough, Ontario is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Peterborough, Ontario?
July is the warmest month, with average highs of 27 °C and nights around 17 °C. January is the coolest month at −2 °C.
When does it rain most in Peterborough, Ontario?
The wettest month is June with 98 mm of precipitation. The driest month is February with 58 mm.
How many hours of sunshine does Peterborough, Ontario get?
Peterborough, Ontario gets around 2,090 hours of sunshine a year. The sunniest month is July with 8.7 hours a day; in December there are 2.7 hours a day.
What time zone is Peterborough, Ontario in?
Peterborough, Ontario is on UTC−5 in January and UTC−4 in July.
How long is the flight from London to Peterborough, Ontario?
A nonstop flight from London to Peterborough, Ontario takes about 7 h 15 min, for a straight-line distance of about 5,580 km.
Which school holidays are best for Peterborough, Ontario?
Peterborough, Ontario has its best school-holiday weather during the summer holidays (score 81) and its weakest during the Christmas holidays (score 16). Holiday ratings (0–100): Easter holidays 41, May half-term 80, summer holidays 81, October half-term 51, Christmas holidays 16.