Climate averages 1991–2020
Sydney, Canada weather
in October.
A cool, wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Sydney, Canada: daytime highs average 12.6°C and nights cool to about 8.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 131 mm of rain on roughly 12 days, which makes October a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 58 min on an average October day.
The nearest other city in this atlas is Dartmouth (311 km away). In October its highs average 13.5°C, 0.9°C warmer than Sydney, Canada, with 124 mm of rain.
Among the 86 cities listed in Canada, Sydney, Canada ranks joint 58th of 86 for the warmest October highs and 73rd of 86 for the driest October (rainfall, lowest first). The mean October high of those 86 cities is 12.7°C; Sydney, Canada is 0.1°C cooler than that mean.
From October to November, average highs fall by 5.2°C to 7.4°C, and monthly rainfall falls from 131 mm to 124 mm.
The annual picture
October in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sydney, Canada climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.7°C-6.9°C | -6.9°C | 118 | 12.9 | 9.19 h |
| February | -1.2°C-7.9°C | -7.9°C | 111 | 11.3 | 10.310 h |
| March | 1.3°C-5.0°C | -5.0°C | 108 | 12.4 | 11.912 h |
| April | 5.9°C-0.1°C | -0.1°C | 106 | 12.3 | 13.514 h |
| May | 11.5°C4.7°C | 4.7°C | 86 | 11.7 | 14.915 h |
| June | 16.8°C9.9°C | 9.9°C | 89 | 11.0 | 15.716 h |
| July | 21.5°C15.3°C | 15.3°C | 85 | 10.5 | 15.415 h |
| August | 22.0°C16.4°C | 16.4°C | 89 | 10.9 | 14.214 h |
| September | 18.5°C13.2°C | 13.2°C | 104 | 10.5 | 12.613 h |
| October, selected | 12.6°C8.2°C | 8.2°C | 131 | 12.3 | 11.011 h |
| November | 7.4°C3.0°C | 3.0°C | 124 | 12.7 | 9.510 h |
| December | 2.6°C-2.1°C | -2.1°C | 139 | 14.2 | 8.79 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
- Dartmouth in OctoberCanada · 311 kmHigh 13.5°C · Low 8.0°C · 124 mm rain
- Halifax in OctoberCanada · 313 kmHigh 13.2°C · Low 8.6°C · 124 mm rain
- Moncton in OctoberCanada · 356 kmHigh 12.6°C · Low 5.5°C · 98 mm rain
- Saint John in OctoberCanada · 466 kmHigh 12.3°C · Low 6.6°C · 133 mm rain
- St. John's in OctoberCanada · 590 kmHigh 11.1°C · Low 6.5°C · 105 mm rain
- Québec in OctoberCanada · 847 kmHigh 11.3°C · Low 4.1°C · 125 mm rain
- Montréal in OctoberCanada · 1040 kmHigh 11.8°C · Low 4.9°C · 112 mm rain
- Ottawa in OctoberCanada · 1204 kmHigh 12.8°C · Low 5.6°C · 99 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sydney) is explained once on the Sydney, Canada year overview and on the Sources, method and limits page.