Summer arrives in force in Morrisburg, hotter than in 83% of Canadian towns
In January the night’s low is typically −14.0°C. The wettest month is July; the driest is February. Windshields need scraping on about 157 mornings a year, the days the air reaches 0°C or below.
ECCC publishes no normals for Morrisburg itself; the figures are those of Kemptville, 30 km west.
A year in Morrisburg at a glance
Each month’s typical high and low, in °C.
What stands out about Morrisburg’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Morrisburg feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
157 frost days and 121 days above 20°C a year
Frost comes from October to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 17 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
925 mm of precipitation in a typical year
About 116 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
About 198 cm of snow a year
From November to April snow is likely; January is the peak, at about 51 cm.
Snowfall by month
Centimetres
Kemptville publishes no full year of snowfall, so these figures come from Cornwall, 42 km away.
Heating a home in Morrisburg
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days.
Living with Morrisburg’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul, Aug and Sep.
Parks & trails →On some 32 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Muggy heat with a humidex over 30 arrives on about 53 days a year.
Averages smooth over blizzards, ice storms, floods and heat waves; Morrisburg’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Kemptville
ECCC builds the Kemptville normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 30 km west |
| Station altitude | 99 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Cornwall, 42 km |
| Coldest reading, 1991–2020 | −35.0°C |
| Hottest reading, 1991–2020 | 36.7°C |
| Average wind | 8.3 km/h on average, most often from the south-west |
| Next-nearest location | Cornwall, 42 km |
How Morrisburg compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Ontario.
Nearby towns’ climate
Places around Morrisburg whose figures come from another normals location. The nearest places to Morrisburg with figures are 31–39 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Morrisburg Kemptville | 26.8°C | −14.0°C | 925 mm |
| Prescott 31 km · Brockville | 26.1°C 0.7°C cooler | −11.3°C 2.7°C milder | 1,017 mm |
| Long Sault 31 km · Cornwall | 27.3°C 0.5°C warmer | −11.8°C 2.2°C milder | 1,006 mm |
| Embrun 39 km · Ottawa (Airport) | 27.0°C about the same | −14.3°C about the same | 930 mm |
Morrisburg weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.3°C | −14.0°C | −9.1°C | 70 mm | 51 cm |
| February | −2.4°C | −12.9°C | −7.7°C | 52 mm | 48 cm |
| March | 3.4°C | −7.0°C | −1.8°C | 62 mm | 35 cm |
| April | 11.4°C | 0.3°C | 5.9°C | 88 mm | 11 cm |
| May | 19.3°C | 6.9°C | 13.1°C | 73 mm | 0 cm |
| June | 24.3°C | 12.3°C | 18.3°C | 82 mm | 0 cm |
| July | 26.8°C | 14.8°C | 20.8°C | 98 mm | 0 cm |
| August | 25.6°C | 13.7°C | 19.7°C | 75 mm | 0 cm |
| September | 21.3°C | 9.4°C | 15.4°C | 83 mm | 0 cm |
| October | 13.6°C | 3.6°C | 8.6°C | 92 mm | 1 cm |
| November | 6.3°C | −2.3°C | 2.0°C | 79 mm | 16 cm |
| December | −0.9°C | −8.8°C | −4.9°C | 72 mm | 37 cm |
| Year | 12.0°C | 1.3°C | 6.7°C | 925 mm | 198 cm |
A March here can run from −28.3°C to 26.3°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.0°C around −9.1°C), June the one that wanders least (±1.1°C).
Where Morrisburg’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Kemptville: the nearest of its locations with every month’s temperatures.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Morrisburg’s climate
How warm does Morrisburg get in summer?
Summer peaks in July: a typical afternoon reaches 26.8°C.
How cold does Morrisburg get in winter?
Midwinter means January, when a typical night reaches −14.0°C.
How much rain and snow does Morrisburg get?
Count on roughly 925 mm a year, heaviest in July (98 mm) and lightest in February (52 mm).
Are these figures for Morrisburg itself?
No. ECCC measures normals at Kemptville, not in Morrisburg; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Morrisburg →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).