Summer arrives in force in Elder Mills, hotter than in 95% of Canadian towns
The coldest hours of a January night bottom out at −8.9°C on average. By frosts alone, it ranks gentler than 82% of Canadian towns. Precipitation peaks in June and eases off in February. For walks and days out, May, June, August and September bring highs of 19–26°C.
The nearest ECCC normals location to Elder Mills is Toronto Pearson (Airport), 15 km south, and every figure on this page is its.
A year in Elder Mills at a glance
Each month’s typical high and low, in °C.
What stands out about Elder Mills’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Elder Mills feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 131 days, 20°C on 125
The frost season runs October to April, and January freezes nearly every night. About 17 days a year top 30°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 807 mm of rain and snow a year
On about 106 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 115 cm of snow a year
Snow falls from November to April, most of all in January (about 32 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Elder Mills
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. By this count, homes here need less heating than 83% of Canadian towns.
Living with Elder Mills’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Between the last frost, near 27 April, and the first, near 20 October, lie about 174 frost-free days.
The outdoor season by the averages is May, Jun, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 21 days a year.
Count on some 56 humid days a year with the humidex past 30.
For blizzards, floods and wildfire, turn to Elder Mills’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto Pearson (Airport)
Behind the 1991–2020 normals for Toronto Pearson (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 15 km south |
| Station altitude | 173 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.0°C |
| Hottest reading, 1991–2020 | 37.9°C |
| Average wind | 15.7 km/h on average, most often from the west |
| Next-nearest location | Toronto Buttonville (Airport), 20 km |
How Elder Mills 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
Places around Elder Mills whose figures come from another normals location. Elder Mills has few close neighbours with figures, so the list reaches 7–24 km out.
Elder Mills weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.2°C | −8.9°C | −5.0°C | 62 mm | 32 cm |
| February | −0.3°C | −8.5°C | −4.4°C | 50 mm | 28 cm |
| March | 5.0°C | −3.8°C | 0.6°C | 51 mm | 17 cm |
| April | 12.0°C | 1.9°C | 7.0°C | 77 mm | 5 cm |
| May | 19.2°C | 8.2°C | 13.7°C | 78 mm | under 1 cm |
| June | 24.5°C | 13.9°C | 19.2°C | 81 mm | 0 cm |
| July | 27.4°C | 16.6°C | 22.1°C | 74 mm | 0 cm |
| August | 26.3°C | 15.8°C | 21.1°C | 69 mm | 0 cm |
| September | 22.3°C | 11.6°C | 16.9°C | 69 mm | 0 cm |
| October | 14.6°C | 5.3°C | 10.0°C | 67 mm | under 1 cm |
| November | 7.9°C | 0.2°C | 4.1°C | 72 mm | 9 cm |
| December | 1.9°C | −5.0°C | −1.6°C | 59 mm | 24 cm |
| Year | 13.3°C | 3.9°C | 8.6°C | 807 mm | 115 cm |
A January here can run warm or cold, its average moving by about 3.0°C; the steadiest month is June
The thirty-year records stretch furthest in March: a low of −24.7°C in 2003 and a high of 26.0°C in 2012.
Where Elder Mills’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Toronto Pearson (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- 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 Elder Mills’s climate
How warm does Elder Mills get in summer?
Midsummer means July, with afternoons near 27.4°C on a typical day.
How cold does Elder Mills get in winter?
On a normal January night the air drops to −8.9°C, the coldest of the year.
How much rain and snow does Elder Mills get?
Measured as water, a year brings 807 mm: 81 mm in June, the wettest month, and 50 mm in February, the driest.
How long does snow stay on the ground?
Around 69 days a year see 1 cm of snow or more lying.
Are these figures for Elder Mills itself?
No, they come from Toronto Pearson (Airport); ECCC keeps no 1991–2020 normals in Elder Mills itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Elder Mills →
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).