Photo: Duckdave · CC BY-SA 4.0The climate in Barrie sits close to the middle of Canadian towns
About 793 mm of rain and snow falls in a typical year; July afternoons reach 26.0°C and January nights drop to −11.3°C. A year here swings 37°C from midwinter lows to midsummer highs. Rain and snow together come to less here than on 65% of Canadian towns. Homes need heating from October to April, the months averaging under 10°C.
The nearest ECCC normals location to Barrie is Egbert, 17 km south-west, and every figure on this page is its.
A year in Barrie at a glance
Each month’s typical high and low, in °C.
What stands out about Barrie’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Barrie feels like
Each season’s and each month’s usual high and low, 1991–2020.
155 frost days and 114 days above 20°C a year
Frost comes from October to May; in January almost every night freezes. On about 9 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
793 mm of precipitation in a typical year
June brings the most rain and snow; February, the least. About 115 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 174 cm in a normal year
Expect snow from October to April, with about 42 cm in December, the snowiest month.
Snowfall by month
Centimetres
Heating a home in Barrie
91% 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. Homes here need less heating than 65% of Canadian towns.
Living with Barrie’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Between the last frost, near 16 May, and the first, near 5 October, lie about 141 frost-free days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →On some 26 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Plan shade and water for about 49 days a year above 30 on the humidex.
Averages smooth over blizzards, ice storms, floods and heat waves; Barrie’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Egbert
Behind the 1991–2020 normals for Egbert are 2 stations, which ECCC combines into one record.
| Distance from the town | 17 km south-west |
| Station altitude | 251 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.5°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 11.3 km/h on average, most often from the south |
| Next-nearest location | Lagoon City, 42 km |
How Barrie 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
Places around Barrie whose figures come from another normals location. No closer places have figures: these lie 21–33 km from Barrie.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Barrie Egbert | 26.0°C | −11.3°C | 793 mm |
| Oro-Medonte 21 km · Lagoon City | 24.5°C 1.5°C cooler | −12.6°C 1.3°C colder | 793 mm |
| Keswick 24 km · Udora | 26.3°C about the same | −11.7°C about the same | 883 mm |
| Wasaga Beach 32 km · Collingwood | 25.3°C 0.7°C cooler | −8.7°C 2.6°C milder | 793 mm |
Barrie weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −2.9°C | −11.3°C | −7.2°C | 55 mm | 40 cm |
| February | −2.0°C | −10.8°C | −6.4°C | 45 mm | 33 cm |
| March | 3.2°C | −5.9°C | −1.3°C | 48 mm | 26 cm |
| April | 10.9°C | 0.3°C | 5.6°C | 62 mm | 9 cm |
| May | 18.4°C | 6.2°C | 12.3°C | 74 mm | under 1 cm |
| June | 23.4°C | 11.5°C | 17.5°C | 83 mm | 0 cm |
| July | 26.0°C | 14.2°C | 20.1°C | 78 mm | 0 cm |
| August | 25.0°C | 13.3°C | 19.2°C | 83 mm | 0 cm |
| September | 21.1°C | 9.5°C | 15.3°C | 72 mm | 0 cm |
| October | 13.6°C | 4.1°C | 8.9°C | 65 mm | 3 cm |
| November | 6.4°C | −1.1°C | 2.7°C | 72 mm | 22 cm |
| December | 0.3°C | −6.6°C | −3.2°C | 58 mm | 42 cm |
| Year | 11.9°C | 2.0°C | 7.0°C | 793 mm | 174 cm |
Two years in three, January’s average lands within 3.1°C of normal, against the steadier August
Records from 1991 to 2020: no month spans more than March, between −29.0°C (2003) and 26.5°C (2012).
Where Barrie’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Egbert, the nearest location with a full year of temperatures.
- 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: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Barrie’s climate
How warm does Barrie get in summer?
Peak warmth comes in July, at about 26.0°C by mid-afternoon.
How cold does Barrie get in winter?
A typical January night falls to −11.3°C, the year’s low point.
How much rain and snow does Barrie get?
Some 793 mm falls in a year. Most of it comes in June (83 mm), the least in February (45 mm).
Are these figures for Barrie itself?
No. ECCC measures normals at Egbert, not in Barrie; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Barrie →
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).