Photo: Andre Carrotflower · CC BY-SA 4.0More rain and snow fall on Parry Sound than on 79% of Canadian towns: 1,062 mm a year
January nights here settle around −15.3°C. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 41°C apart. Winter nights are cold: in January they are colder than in 72% of Canadian towns. Long walks are most pleasant from June to August, when afternoons reach 23–25°C.
Every figure here comes from Muskoka, 71 km south-east; ECCC has no normals closer to Parry Sound, so they describe the wider area.
A year in Parry Sound at a glance
Each month’s typical high and low, in °C.
What stands out about Parry Sound’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Parry Sound feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 175 frosts and 109 warm days a year
Frost comes from September to May; in January almost every night freezes. Some 27 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
Rain and melted snow: about 1,062 mm a year
October brings the most rain and snow; February, the least. Some 141 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Heating a home in Parry Sound
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up.
Living with Parry Sound’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.
Parks & trails →A normal year has no blizzard, flood or heat wave in it; Parry Sound’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Muskoka
Muskoka is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 71 km south-east |
| Station altitude | 282 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 35.2°C |
| Average wind | 10.7 km/h |
| Next-nearest location | Collingwood, 96 km |
How Parry Sound compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Parry Sound’s own would show the same figures). Distances here run 37–67 km: that is how far the nearest places with figures are from Parry Sound.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Parry Sound Muskoka | 25.3°C | −15.3°C | 1,062 mm |
| Whitestone 37 km · North Bay | 24.3°C 1.0°C cooler | −17.3°C 2.0°C colder | 1,020 mm |
| Penetanguishene 64 km · Collingwood | 25.3°C about the same | −8.7°C 6.6°C milder | 1,062 mm |
Parry Sound weather by month
Each month’s normals, 1991–2020: high, low, mean and precipitation.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −4.6°C | −15.3°C | −10.0°C | 92 mm |
| February | −3.1°C | −15.1°C | −9.1°C | 56 mm |
| March | 2.5°C | −9.0°C | −3.3°C | 72 mm |
| April | 10.4°C | −1.6°C | 4.4°C | 79 mm |
| May | 18.4°C | 4.7°C | 11.5°C | 93 mm |
| June | 23.1°C | 10.1°C | 16.7°C | 86 mm |
| July | 25.3°C | 12.8°C | 19.1°C | 100 mm |
| August | 24.4°C | 11.8°C | 18.1°C | 82 mm |
| September | 20.1°C | 7.5°C | 13.8°C | 102 mm |
| October | 12.5°C | 2.2°C | 7.4°C | 111 mm |
| November | 5.1°C | −3.4°C | 0.9°C | 103 mm |
| December | −1.0°C | −9.7°C | −5.4°C | 87 mm |
| Year | 11.1°C | −0.4°C | 5.3°C | 1,062 mm |
From year to year, January moves by 3.3°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 −31.9°C (2003) to 26.7°C (2012).
Where Parry Sound’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Muskoka, 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: snow, with no complete snowfall normals within 100 km, sunshine, which ECCC published for no location, and any height adjustment.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Parry Sound’s climate
How warm does Parry Sound get in summer?
July is the warmest month, with average highs of 25.3°C.
How cold does Parry Sound get in winter?
The coldest nights come in January, averaging −15.3°C.
How much rain and snow does Parry Sound get?
Rain and snow, with snow counted as water, total 1,062 mm a year; October leads with 111 mm and February trails with 56 mm.
Are these figures for Parry Sound itself?
No: they come from Muskoka, the nearest ECCC normals location, and far enough away to describe the wider area more than Parry Sound.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Parry Sound →
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).