Climate averages 1991–2020
Markham weather
in March.
A cold, moderately wet month: the 9th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cold month in Markham: daytime highs average 3.9°C and nights cool to about -4.8°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 68 mm of rain on roughly 10 days, which makes March a moderately wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average March day.
The nearest other city in this atlas is Pickering (11 km away). In March its highs average 2.9°C, 1.0°C cooler than Markham, with 59 mm of rain.
Among the 86 cities listed in Canada, Markham ranks joint 34th of 86 for the warmest March highs and 40th of 86 for the driest March (rainfall, lowest first). The mean March high of those 86 cities is 3.8°C; Markham is 0.1°C warmer than that mean.
From March to April, average highs rise by 6.8°C to 10.7°C, and monthly rainfall rises from 68 mm to 92 mm.
The annual picture
March 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
Markham climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.7°C-9.5°C | -9.5°C | 81 | 11.8 | 9.39 h |
| February | -0.9°C-9.7°C | -9.7°C | 59 | 8.7 | 10.410 h |
| March, selected | 3.9°C-4.8°C | -4.8°C | 68 | 9.9 | 11.912 h |
| April | 10.7°C1.7°C | 1.7°C | 92 | 11.0 | 13.413 h |
| May | 17.5°C8.2°C | 8.2°C | 78 | 10.4 | 14.715 h |
| June | 22.8°C14.1°C | 14.1°C | 77 | 10.2 | 15.415 h |
| July | 25.7°C17.2°C | 17.2°C | 68 | 9.6 | 15.115 h |
| August | 24.9°C16.9°C | 16.9°C | 67 | 8.9 | 14.014 h |
| September | 21.1°C13.3°C | 13.3°C | 81 | 9.0 | 12.613 h |
| October | 14.0°C7.1°C | 7.1°C | 91 | 11.9 | 11.011 h |
| November | 7.0°C0.9°C | 0.9°C | 88 | 11.2 | 9.710 h |
| December | 1.5°C-4.8°C | -4.8°C | 81 | 12.1 | 9.09 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
March in nearby cities
- Pickering in MarchCanada · 11 kmHigh 2.9°C · Low -5.1°C · 59 mm rain
- Richmond Hill in MarchCanada · 14 kmHigh 3.8°C · Low -5.3°C · 57 mm rain
- Thornhill in MarchCanada · 14 kmHigh 3.8°C · Low -4.6°C · 57 mm rain
- Ajax in MarchCanada · 19 kmHigh 3.5°C · Low -4.3°C · 70 mm rain
- Vaughan in MarchCanada · 19 kmHigh 3.9°C · Low -5.1°C · 57 mm rain
- Toronto in MarchCanada · 21 kmHigh 3.3°C · Low -4.3°C · 57 mm rain
- Newmarket in MarchCanada · 26 kmHigh 3.7°C · Low -6.0°C · 56 mm rain
- Whitby in MarchCanada · 27 kmHigh 3.4°C · Low -4.1°C · 61 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 Markham) is explained once on the Markham year overview and on the Sources, method and limits page.