Photo: Torbenbrinker|Torbenbrinker · CC BY-SA 3.0July in Deer Lake stays fresher than in 92% of Canadian towns
The depth of winter brings overnight lows near −12.7°C. Temperatures cover 37°C across the year, low to high. Its yearly rain and snow top those of 84% of Canadian towns. About 161 days a year bring 1 mm of precipitation or more.
Read at Deer Lake, 5.2 km north-east: ECCC’s normals for 1991–2020.
A year in Deer Lake at a glance
Each month’s typical high and low, in °C.
What stands out about Deer Lake’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Newfoundland and Labrador beside it.
What a year in Deer Lake feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 191 frosts and 69 warm days a year
Frost comes from September to June; in January almost every night freezes. Some 16 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
1,146 mm of precipitation in a typical year
January brings the most rain and snow; April, the least. 29th wettest of 32 towns of 2,500+ in Newfoundland and Labrador.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 433 cm in a normal year
Snow falls from October to May, most of all in January (about 117 cm). 8th snowiest of 31 towns of 2,500+ in Newfoundland and Labrador.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Deer Lake
83% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. Over a year, a home here needs more heating than 81% of Canadian towns.
Living with Deer Lake’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Seedlings can go out once the average last frost, around 10 June, has passed; autumn’s first, near 20 September, ends a season of about 102 days.
Plan time outside for Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Roughly 35 days a year feel colder than −20 in the wind.
Roughly 13 days a year feel hotter than 30 once humidity is counted.
A typical year is calm by definition; Deer Lake’s hazards page covers the exceptions.
Flood & hazards →ECCC’s normals location: Deer Lake
Deer Lake is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 5.2 km north-east |
| Station altitude | 22 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −38.3°C |
| Hottest reading, 1991–2020 | 34.6°C |
| Average wind | 12.8 km/h on average, most often from the south-west |
| Next-nearest location | Corner Brook, 45 km |
How Deer Lake 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 Newfoundland and Labrador.
Nearby towns’ climate
Places around Deer Lake whose figures come from another normals location. The one place listed is 22 km from Deer Lake, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Deer Lake | 22.9°C | −12.7°C | 1,146 mm |
| Pasadena 22 km · Corner Brook | 22.8°C about the same | −9.9°C 2.8°C milder | 1,293 mm |
Deer Lake weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −3.3°C | −12.7°C | −8.0°C | 126 mm | 117 cm |
| February | −3.5°C | −14.1°C | −8.8°C | 102 mm | 97 cm |
| March | 0.9°C | −9.9°C | −4.5°C | 80 mm | 59 cm |
| April | 6.3°C | −3.5°C | 1.4°C | 65 mm | 24 cm |
| May | 12.9°C | 0.8°C | 6.9°C | 81 mm | 3 cm |
| June | 18.6°C | 5.6°C | 12.1°C | 73 mm | 1 cm |
| July | 22.9°C | 10.2°C | 16.6°C | 106 mm | 0 cm |
| August | 22.4°C | 10.0°C | 16.2°C | 104 mm | 0 cm |
| September | 17.5°C | 6.0°C | 11.8°C | 99 mm | 0 cm |
| October | 10.9°C | 1.3°C | 6.1°C | 95 mm | 5 cm |
| November | 5.0°C | −2.5°C | 1.2°C | 95 mm | 29 cm |
| December | 0.1°C | −7.3°C | −3.6°C | 120 mm | 98 cm |
| Year | 9.2°C | −1.4°C | 4.0°C | 1,146 mm | 433 cm |
February varies most from one year to the next (3.2°C), September least
Over 1991–2020, March saw both −34.1°C (1997) and 17.8°C (1999), the widest span of any month.
Where Deer Lake’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Deer Lake, the nearest location with a full year of temperatures.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Deer Lake’s climate
How warm does Deer Lake get in summer?
Of all twelve months, July has the warmest afternoons, about 22.9°C.
How cold does Deer Lake get in winter?
Of all twelve months, February has the coldest nights, about −14.1°C.
How much rain and snow does Deer Lake get?
Precipitation totals 1,146 mm a year, with January the wettest month (126 mm) and April the driest (65 mm).
Are these figures for Deer Lake itself?
Nearly: Deer Lake, the location behind them, sits just beyond Deer Lake’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Deer Lake →
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).