Nights turn raw in Laurentian Valley each January, colder than in 83% of Canadian towns
Sunny July days climb to about 26.3°C. Of all months, June brings the most precipitation and February the least. Its July heat outdoes that of 63% of Canadian towns. The outdoor season runs from June to August, with highs of 24–26°C.
ECCC publishes no normals for Laurentian Valley itself; the figures are those of Petawawa, 20 km north-west.
A year in Laurentian Valley at a glance
Each month’s typical high and low, in °C.
What stands out about Laurentian Valley’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Laurentian Valley feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Rain and melted snow: about 932 mm a year
On about 132 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 199 cm of snow a year
Snow falls from October to April, most of all in January (about 49 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Living with Laurentian Valley’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.
Parks & trails →Count on some 52 days a year when the wind makes it feel below −20.
Humid heat, a humidex over 30, comes on about 46 days a year.
Bad-weather days, from blizzards to floods, get their own page for Laurentian Valley: the hazards page.
Flood & hazards →ECCC’s normals location: Petawawa
Petawawa is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 20 km north-west |
| Station altitude | 130 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.8°C |
| Hottest reading, 1991–2020 | 36.9°C |
| Average wind | 9.6 km/h on average, most often from the south-east |
| Next-nearest location | Charteris, 59 km |
How Laurentian Valley 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 Laurentian Valley whose figures come from another normals location. Laurentian Valley has no close neighbour with figures; the nearest is 26 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Laurentian Valley Petawawa | 26.3°C | −17.9°C | 932 mm |
| Whitewater Region 26 km · Charteris | 26.4°C about the same | −16.9°C 1.0°C milder | 932 mm |
Laurentian Valley weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.1°C | −17.9°C | −11.9°C | 68 mm | 49 cm |
| February | −3.6°C | −16.6°C | −10.2°C | 51 mm | 38 cm |
| March | 2.7°C | −10.0°C | −3.7°C | 58 mm | 27 cm |
| April | 10.8°C | −2.0°C | 4.5°C | 79 mm | 11 cm |
| May | 19.2°C | 4.5°C | 12.0°C | 85 mm | 1 cm |
| June | 24.0°C | 10.0°C | 17.0°C | 96 mm | 0 cm |
| July | 26.3°C | 12.3°C | 19.3°C | 89 mm | 0 cm |
| August | 25.2°C | 11.6°C | 18.4°C | 90 mm | 0 cm |
| September | 20.6°C | 7.3°C | 14.0°C | 83 mm | 0 cm |
| October | 12.8°C | 2.1°C | 7.5°C | 83 mm | 3 cm |
| November | 4.8°C | −4.1°C | 0.3°C | 77 mm | 25 cm |
| December | −2.4°C | −11.9°C | −7.3°C | 72 mm | 45 cm |
| Year | 11.2°C | −1.2°C | 5.0°C | 932 mm | 199 cm |
In March, anything from −33.4°C to 28.8°C
Two years in three, December’s average falls within 3.1°C of its normal of −7.3°C; June keeps to within 1.2°C.
Where Laurentian Valley’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Petawawa: the nearest of its locations with every month’s 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 Laurentian Valley’s climate
How warm does Laurentian Valley get in summer?
Of all twelve months, July has the warmest afternoons, about 26.3°C.
How cold does Laurentian Valley get in winter?
Of all twelve months, January has the coldest nights, about −17.9°C.
How much rain and snow does Laurentian Valley get?
Precipitation totals 932 mm a year, with June the wettest month (96 mm) and February the driest (51 mm).
How long does snow stay on the ground?
Count on about 140 days of snow cover a year, 1 cm or deeper.
Are these figures for Laurentian Valley itself?
They come from Petawawa, which ECCC uses as the nearest normals location for Laurentian Valley.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Laurentian Valley →
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).