Climate averages 1991–2020
Sydney, Canada weather
in May.
A cool, moderately wet month: the 6th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a cool month in Sydney, Canada: daytime highs average 11.5°C and nights cool to about 4.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 86 mm of rain on roughly 12 days, which makes May a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 56 min on an average May day.
The nearest other city in this atlas is Dartmouth (311 km away). In May its highs average 13.6°C, 2.0°C warmer than Sydney, Canada, with 83 mm of rain.
Among the 86 cities listed in Canada, Sydney, Canada ranks 85th of 86 for the warmest May highs and 53rd of 86 for the driest May (rainfall, lowest first). The mean May high of those 86 cities is 17.0°C; Sydney, Canada is 5.4°C cooler than that mean.
From May to June, average highs rise by 5.3°C to 16.8°C, and monthly rainfall rises from 86 mm to 89 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Dartmouth in MayCanada · 311 kmHigh 13.6°C · Low 6.0°C · 83 mm rain
- Halifax in MayCanada · 313 kmHigh 12.0°C · Low 5.8°C · 83 mm rain
- Moncton in MayCanada · 356 kmHigh 15.3°C · Low 5.7°C · 85 mm rain
- Saint John in MayCanada · 466 kmHigh 13.4°C · Low 6.1°C · 104 mm rain
- St. John's in MayCanada · 590 kmHigh 9.1°C · Low 2.6°C · 72 mm rain
- Québec in MayCanada · 847 kmHigh 17.1°C · Low 6.7°C · 101 mm rain
- Montréal in MayCanada · 1040 kmHigh 17.3°C · Low 7.1°C · 100 mm rain
- Ottawa in MayCanada · 1204 kmHigh 18.6°C · Low 7.9°C · 88 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.