July in Rideaucrest - Davidson Heights runs hotter than in 86% of Canadian towns
The coldest hours of a January night bottom out at −14.3°C on average. In January, nights here are colder than in 61% of Canadian towns. Temperatures cover 41°C across the year, low to high. Long walks are most pleasant from June to September, when afternoons reach 21–27°C.
1991–2020 normals from ECCC’s Ottawa (Airport) location, 5.2 km north-east.
A year in Rideaucrest - Davidson Heights at a glance
Each month’s typical high and low, in °C.
What stands out about Rideaucrest - Davidson Heights’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Rideaucrest - Davidson Heights feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
154 frost days and 120 days above 20°C a year
The frost season runs October to April, and January freezes nearly every night. Some 16 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
930 mm of precipitation in a typical year
June brings the most rain and snow; February, the least. About 118 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 232 cm of snow a year
Expect snow from October to April, with about 59 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Rideaucrest - Davidson Heights
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C.
Living with Rideaucrest - Davidson Heights’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Gardens get from about 29 April to 7 October without frost, around 160 days in all.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul, Aug and Sep.
Parks & trails →A wind chill below −20 is part of about 47 days a year here.
The humidex tops 30 on about 49 days a year: muggy days to plan around.
Thirty years of averages say little about one bad storm; Rideaucrest - Davidson Heights’s hazards page does.
Flood & hazards →ECCC’s normals location: Ottawa (Airport)
Ottawa (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 5.2 km north-east |
| 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), 11 km |
How Rideaucrest - Davidson Heights 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
Nearby places read from a different ECCC location (places on Rideaucrest - Davidson Heights’s own would show the same figures). The nearest places to Rideaucrest - Davidson Heights with figures are 9–30 km away.
Rideaucrest - Davidson Heights 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 |
A March here can run from −29.0°C to 27.4°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 (±3.2°C around −10.0°C), August the one that wanders least (±1.1°C).
Where Rideaucrest - Davidson Heights’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Ottawa (Airport) (the closest location with all twelve months of temperatures).
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Rideaucrest - Davidson Heights’s climate
How warm does Rideaucrest - Davidson Heights get in summer?
In July, the warmest month, the typical high is 27.0°C.
How cold does Rideaucrest - Davidson Heights get in winter?
Overnight lows average −14.3°C in January, the coldest month.
How much rain and snow does Rideaucrest - Davidson Heights get?
Count on roughly 930 mm a year, heaviest in June (97 mm) and lightest in February (50 mm).
How long does snow stay on the ground?
Around 118 days a year see 1 cm of snow or more lying.
Are these figures for Rideaucrest - Davidson Heights itself?
Nearly: Ottawa (Airport), the location behind them, sits just beyond Rideaucrest - Davidson Heights’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Rideaucrest - Davidson Heights →
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).