Photo: Shhewitt · CC BY-SA 4.0Lewisporte sits near the bottom of Canadian towns for July heat
The depth of winter brings overnight lows near −10.4°C. No month is much wetter than another: December, the wettest, gets little more than June, the driest. Its yearly rain and snow top those of 92% of Canadian towns. Wet days, with 1 mm of rain or snow or more, come about 162 times a year.
Lewisporte has no ECCC normals station of its own: every figure here comes from Gander, 48 km south-east.
A year in Lewisporte at a glance
Each month’s typical high and low, in °C.
What stands out about Lewisporte’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Newfoundland and Labrador beside it.
What a year in Lewisporte feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 178 days, 20°C on 63
From October to June frost is routine, and in January it comes on almost every night.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,247 mm of rain and snow a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 443 cm in a normal year
From October to June snow is likely; January is the peak, at about 97 cm. 2nd 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 Lewisporte
83% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. Over a year, a home here needs more heating than 71% of Canadian towns.
Living with Lewisporte’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Plant out after about 31 May; the first frost of autumn usually arrives near 20 October, leaving roughly 141 days without frost.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jul and Aug.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 37 days a year.
The humidex tops 30 on about 12 days a year: muggy days to plan around.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Lewisporte’s hazards page.
Flood & hazards →ECCC’s normals location: Gander
Behind the 1991–2020 normals for Gander are 3 stations, which ECCC combines into one record.
| Distance from the town | 48 km south-east |
| Station altitude | 151 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −27.6°C |
| Hottest reading, 1991–2020 | 31.7°C |
| Average wind | 19.5 km/h on average, most often from the west |
| Next-nearest location | Twillingate, 52 km |
How Lewisporte 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
Nearby places read from a different ECCC location (places on Lewisporte’s own would show the same figures). Distances here run 25–47 km: that is how far the nearest places with figures are from Lewisporte.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Lewisporte Gander | 21.8°C | −10.4°C | 1,247 mm |
| Botwood 25 km · Badger | 24.1°C 2.3°C warmer | −13.9°C 3.5°C colder | 1,247 mm |
| Division No. 8, Subdivision H 45 km · Twillingate | 19.9°C 1.9°C cooler | −7.7°C 2.7°C milder | 1,247 mm |
Lewisporte 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 | −2.8°C | −10.4°C | −6.6°C | 103 mm | 97 cm |
| February | −2.7°C | −10.9°C | −6.8°C | 91 mm | 81 cm |
| March | 0.3°C | −7.7°C | −3.8°C | 105 mm | 86 cm |
| April | 5.4°C | −2.7°C | 1.4°C | 92 mm | 46 cm |
| May | 11.7°C | 1.6°C | 6.7°C | 94 mm | 11 cm |
| June | 17.0°C | 6.2°C | 11.6°C | 89 mm | 2 cm |
| July | 21.8°C | 11.3°C | 16.6°C | 105 mm | 0 cm |
| August | 21.4°C | 11.7°C | 16.6°C | 102 mm | 0 cm |
| September | 16.9°C | 7.7°C | 12.3°C | 115 mm | under 1 cm |
| October | 10.4°C | 2.9°C | 6.7°C | 120 mm | 12 cm |
| November | 5.1°C | −1.5°C | 1.8°C | 110 mm | 30 cm |
| December | 0.1°C | −6.3°C | −3.1°C | 121 mm | 80 cm |
| Year | 8.7°C | 0.2°C | 4.5°C | 1,247 mm | 443 cm |
February varies most from one year to the next (2.3°C), August least
Each bar spans a month’s coldest and warmest readings over thirty years; February’s run from −27.6°C in 1994 to 13.4°C in 1996.
Where Lewisporte’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Gander (the closest location with all twelve months 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 Lewisporte’s climate
How warm does Lewisporte get in summer?
Peak warmth comes in July, at about 21.8°C by mid-afternoon.
How cold does Lewisporte get in winter?
Midwinter means February, when a typical night reaches −10.9°C.
How much rain and snow does Lewisporte get?
A normal year brings 1,247 mm, snow included as water: December is wettest at 121 mm, June driest at 89 mm.
How long does snow stay on the ground?
In a normal winter there are about 149 days with at least 1 cm of snow lying.
Are these figures for Lewisporte itself?
They are borrowed from Gander, the nearest place to Lewisporte where ECCC publishes 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Lewisporte →
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).