Summer arrives in force in Riverside Park - Mooneys Bay, hotter than in 78% of Canadian towns
On a normal January night the air cools to about −14.0°C. It is a wet place: more rain and snow fall here than on 60% of Canadian towns. From frozen January to warm July, readings climb 41°C. The furnace earns its keep from October to April, the months that average under 10°C.
Figures: ECCC’s 1991–2020 normals for Ottawa (City) (3.0 km north-west).
A year in Riverside Park - Mooneys Bay at a glance
Each month’s typical high and low, in °C.
What stands out about Riverside Park - Mooneys Bay’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Riverside Park - Mooneys Bay feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 147 frosts and 121 warm days a year
From October to April frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 15 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 938 mm a year
June is the wettest month and February the driest. About 120 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 185 cm of snow a year
From October to April snow is likely; January is the peak, at about 45 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Riverside Park - Mooneys Bay
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C.
Living with Riverside Park - Mooneys Bay’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Count on about 158 frost-free days: the last frost averages 30 April, the first 6 October.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Jul, Aug and Sep.
Parks & trails →On some 39 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Expect around 50 sticky days a year with the humidex above 30.
Severe weather is a separate story from the averages: see Riverside Park - Mooneys Bay’s hazards page.
Flood & hazards →ECCC’s normals location: Ottawa (City)
Behind the 1991–2020 normals for Ottawa (City) are 2 stations, which ECCC combines into one record.
| Distance from the town | 3.0 km north-west |
| Station altitude | 79 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | Yes |
| Coldest reading, 1991–2020 | −32.2°C |
| Hottest reading, 1991–2020 | 37.3°C |
| Average wind | 11.5 km/h on average, most often from the west |
| Next-nearest location | Ottawa (Airport), 5.5 km |
How Riverside Park - Mooneys Bay 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
The nearest places on a normals location of their own: those that share Riverside Park - Mooneys Bay’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Riverside Park - Mooneys Bay Ottawa (City) | 26.7°C | −14.0°C | 938 mm |
| Riverside Park South - Revelstoke 1.0 km · Ottawa (City) | 26.7°C about the same | −14.0°C about the same | 938 mm |
| Old Hunt Club 2.5 km · Ottawa (Airport) | 27.0°C about the same | −14.3°C about the same | 930 mm |
Riverside Park - Mooneys Bay 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 | −5.2°C | −14.0°C | −9.6°C | 65 mm | 45 cm |
| February | −3.3°C | −12.9°C | −8.1°C | 52 mm | 41 cm |
| March | 2.5°C | −6.9°C | −2.2°C | 62 mm | 31 cm |
| April | 11.2°C | 1.1°C | 6.2°C | 81 mm | 8 cm |
| May | 19.4°C | 8.0°C | 13.8°C | 80 mm | 0 cm |
| June | 24.2°C | 13.3°C | 18.8°C | 95 mm | 0 cm |
| July | 26.7°C | 15.8°C | 21.3°C | 92 mm | 0 cm |
| August | 25.6°C | 14.6°C | 20.1°C | 87 mm | 0 cm |
| September | 21.1°C | 10.1°C | 15.6°C | 87 mm | 0 cm |
| October | 13.3°C | 4.1°C | 8.8°C | 90 mm | 2 cm |
| November | 5.8°C | −1.8°C | 2.0°C | 72 mm | 16 cm |
| December | −1.5°C | −8.7°C | −5.1°C | 74 mm | 43 cm |
| Year | 11.7°C | 1.9°C | 6.8°C | 938 mm | 185 cm |
From year to year, January moves by 3.1°C, more than any month, and June least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −28.5°C (2003) to 26.5°C (2012).
Where Riverside Park - Mooneys Bay’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Ottawa (City), 1991–2020.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Riverside Park - Mooneys Bay’s climate
How warm does Riverside Park - Mooneys Bay get in summer?
In July, the warmest month, the typical high is 26.7°C.
How cold does Riverside Park - Mooneys Bay get in winter?
The year’s coldest nights belong to January, at about −14.0°C.
How much rain and snow does Riverside Park - Mooneys Bay get?
Around 938 mm a year in all, from 95 mm in June down to 52 mm in February.
How long does snow stay on the ground?
Around 115 days a year see 1 cm of snow or more lying.
Are these figures for Riverside Park - Mooneys Bay itself?
Nearly: Ottawa (City), the location behind them, sits just beyond Riverside Park - Mooneys Bay’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Riverside Park - Mooneys Bay →
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).