Climate averages 1991–2020

Peterborough, Canada weather
in October.

A cool, moderately wet month: the 6th warmest and the joint 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 13.3°C Daytime mean, October
Average low 6.3°C Night-time mean, October
Rainfall 85 mm 12 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Peterborough · average highYear overview

October is a cool month in Peterborough, Canada: daytime highs average 13.3°C and nights cool to about 6.3°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 85 mm of rain on roughly 12 days, which makes October a moderately wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 02 min on an average October day.

The nearest other city in this atlas is Oshawa (62 km away). In October its highs average 13.9°C, 0.6°C warmer than Peterborough, Canada, with 83 mm of rain.

Among the 86 cities listed in Canada, Peterborough, Canada ranks joint 36th of 86 for the warmest October highs and joint 37th of 86 for the driest October (rainfall, lowest first). The mean October high of those 86 cities is 12.7°C; Peterborough, Canada is 0.6°C warmer than that mean.

From October to November, average highs fall by 7.1°C to 6.2°C, and monthly rainfall falls from 85 mm to 74 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Peterborough, Canada climate table

1991–2020
Monthly climate averages for Peterborough, Canada, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -3.1°C-12.0°C-12.0°C6810.79.39 h
February -1.9°C-11.5°C-11.5°C538.310.410 h
March 3.5°C-6.1°C-6.1°C6210.311.912 h
April 11.0°C1.2°C1.2°C8711.513.413 h
May 18.5°C8.4°C8.4°C8210.714.815 h
June 23.4°C14.1°C14.1°C9210.915.515 h
July 25.8°C17.0°C17.0°C8810.915.215 h
August 24.7°C16.4°C16.4°C8510.514.014 h
September 20.7°C12.6°C12.6°C859.612.613 h
October, selected 13.3°C6.3°C6.3°C8511.511.011 h
November 6.2°C-0.1°C-0.1°C7410.39.710 h
December 0.3°C-6.7°C-6.7°C6810.68.99 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Peterborough

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Peterborough) is explained once on the Peterborough, Canada year overview and on the Sources, method and limits page.