July in Metcalfe runs hotter than in 86% of Canadian towns
In January the night’s low is typically −14.3°C. Winter nights are cold: in January they are colder than in 61% of Canadian towns. Precipitation peaks in June and eases off in February. Garden chairs stay out from June to September, the months with highs of 21–27°C.
Figures: ECCC’s 1991–2020 normals for Ottawa (Airport) (19 km north-west).
A year in Metcalfe at a glance
Each month’s typical high and low, in °C.
What stands out about Metcalfe’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Metcalfe feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 154 frosts and 120 warm days a year
From October to April frost is routine, and in January it comes on almost every night. On about 16 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 930 mm a year
Some 118 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 232 cm of snow a year
From October to April snow is likely; January is the peak, at about 59 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Metcalfe
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C.
Living with Metcalfe’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Frost usually lets go around 29 April and returns near 7 October, about 160 days apart.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →About 47 days a year bring a wind chill under −20, when bare skin chills fast.
About 49 days a year turn sultry, with the humidex past 30.
For the weather that does damage, from ice storms to floods, see Metcalfe’s hazards page.
Flood & hazards →ECCC’s normals location: Ottawa (Airport)
Behind the 1991–2020 normals for Ottawa (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 19 km north-west |
| Station altitude | 114 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −33.1°C |
| Hottest reading, 1991–2020 | 36.9°C |
| Average wind | 13.5 km/h on average, most often from the west |
| Next-nearest location | Ottawa (City), 26 km |
How Metcalfe compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Metcalfe’s own would show the same figures). Metcalfe has few close neighbours with figures, so the list reaches 19–28 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Metcalfe Ottawa (Airport) | 27.0°C | −14.3°C | 930 mm |
| Winchester 19 km · Kemptville | 26.8°C about the same | −14.0°C about the same | 925 mm |
| Ottawa 23 km · Ottawa (City) | 26.7°C about the same | −14.0°C about the same | 938 mm |
| North Stormont 28 km · Cornwall | 27.3°C about the same | −11.8°C 2.5°C milder | 1,006 mm |
Metcalfe 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 | −5.5°C | −14.3°C | −10.0°C | 70 mm | 59 cm |
| February | −3.6°C | −13.2°C | −8.5°C | 50 mm | 49 cm |
| March | 2.4°C | −7.1°C | −2.4°C | 66 mm | 39 cm |
| April | 11.3°C | 0.5°C | 5.9°C | 81 mm | 12 cm |
| May | 19.6°C | 7.5°C | 13.6°C | 75 mm | under 1 cm |
| June | 24.4°C | 12.9°C | 18.7°C | 97 mm | 0 cm |
| July | 27.0°C | 15.4°C | 21.2°C | 89 mm | 0 cm |
| August | 25.8°C | 14.3°C | 20.1°C | 79 mm | 0 cm |
| September | 21.0°C | 9.6°C | 15.3°C | 90 mm | 0 cm |
| October | 13.0°C | 3.4°C | 8.2°C | 87 mm | 3 cm |
| November | 5.8°C | −2.4°C | 1.7°C | 74 mm | 21 cm |
| December | −1.9°C | −9.6°C | −5.8°C | 72 mm | 50 cm |
| Year | 11.6°C | 1.4°C | 6.5°C | 930 mm | 232 cm |
March has run from −29.0°C to 27.4°C in thirty years
Year to year, January varies most (a standard deviation of 3.2°C around −10.0°C) and August least (1.1°C).
Where Metcalfe’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Ottawa (Airport), its nearest location with complete temperatures.
- 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 Metcalfe’s climate
How warm does Metcalfe get in summer?
A normal July afternoon tops out at about 27.0°C, the year’s high point.
How cold does Metcalfe get in winter?
January nights average −14.3°C, the coldest of the year.
How much rain and snow does Metcalfe get?
Measured as water, a year brings 930 mm: 97 mm in June, the wettest month, and 50 mm in February, the driest.
How long does snow stay on the ground?
A layer of at least 1 cm stays down on about 118 days a year.
Are these figures for Metcalfe itself?
Almost: ECCC’s Ottawa (Airport) location, which gives these figures, lies a short way outside Metcalfe.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Metcalfe →
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).