Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainIce on the ground: Saint-Jacques sees more frosts than 90% of Canadian towns
The warmest part of a July day comes in at 25.0°C on average. Precipitation is plentiful here, more than falls on 68% of Canadian towns. Expect the most rain and snow in July and the least in February. The heating season runs October to April: each of those months averages under 10°C.
Saint-Jacques has no ECCC normals station of its own: every figure here comes from Edmundston, 5.3 km south-east.
A year in Saint-Jacques at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Jacques’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Saint-Jacques feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 198 frosts and 98 warm days a year
Frost comes from September to June; in January almost every night freezes. Some 40 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
1,012 mm of precipitation in a typical year
About 122 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
About 329 cm of snow a year
Snow falls from October to May, most of all in February (about 70 cm).
Snowfall by month
Centimetres
ECCC’s Edmundston normals leave snowfall out; the figures here come from St. Leonard, 52 km away.
Heating a home in Saint-Jacques
88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C. In heating terms, homes need more heating than 82% of Canadian towns.
Living with Saint-Jacques’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Highs of 17–27°C with nights of 8°C or more come in Jul and Aug.
Parks & trails →Bad-weather days, from blizzards to floods, get their own page for Saint-Jacques: the hazards page.
Flood & hazards →ECCC’s normals location: Edmundston
Behind the 1991–2020 normals for Edmundston are 2 stations, which ECCC combines into one record.
| Distance from the town | 5.3 km south-east |
| Station altitude | 154 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | St. Leonard, 52 km |
| Coldest reading, 1991–2020 | −43.6°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Next-nearest location | St. Leonard, 52 km |
How Saint-Jacques compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in New Brunswick.
Nearby towns’ climate
Places around Saint-Jacques whose figures come from another normals location. The nearest places to Saint-Jacques with figures are 46–66 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Jacques Edmundston | 25.0°C | −19.1°C | 1,012 mm |
| Saint-Léonard 46 km · St. Leonard | 24.2°C 0.8°C cooler | −17.9°C 1.2°C milder | 1,128 mm |
| Saint-Louis-du-Ha! Ha! 52 km · Rivière-du-Loup/St-Antonin | 22.5°C 2.5°C cooler | −15.5°C 3.6°C milder | 1,012 mm |
Saint-Jacques weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.9°C | −19.1°C | −13.0°C | 71 mm | 70 cm |
| February | −4.8°C | −18.7°C | −11.8°C | 63 mm | 70 cm |
| March | 1.2°C | −11.9°C | −5.5°C | 64 mm | 64 cm |
| April | 8.5°C | −3.6°C | 2.4°C | 67 mm | 26 cm |
| May | 17.2°C | 2.9°C | 10.1°C | 85 mm | 2 cm |
| June | 22.1°C | 7.8°C | 15.0°C | 101 mm | 0 cm |
| July | 25.0°C | 11.0°C | 18.1°C | 107 mm | 0 cm |
| August | 24.1°C | 9.8°C | 17.0°C | 86 mm | 0 cm |
| September | 19.2°C | 5.3°C | 12.3°C | 89 mm | 0 cm |
| October | 11.5°C | 0.2°C | 5.8°C | 103 mm | 7 cm |
| November | 4.0°C | −4.9°C | −0.5°C | 87 mm | 25 cm |
| December | −2.8°C | −12.5°C | −7.7°C | 89 mm | 66 cm |
| Year | 9.9°C | −2.8°C | 3.5°C | 1,012 mm | 329 cm |
From year to year, January moves by 2.7°C, more than any month, and July least
Records from 1991 to 2020: no month spans more than March, between −36.2°C (2008) and 25.0°C (2012).
Where Saint-Jacques’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Edmundston, the closest ECCC location with twelve months of temperature normals.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Saint-Jacques’s climate
How warm does Saint-Jacques get in summer?
The year’s warmest days come in July, with highs averaging 25.0°C.
How cold does Saint-Jacques get in winter?
In January, the coldest month, the typical low is −19.1°C.
How much rain and snow does Saint-Jacques get?
Over twelve months, rain and melted snow come to 1,012 mm; the range runs from 63 mm in February to 107 mm in July.
Are these figures for Saint-Jacques itself?
No, they come from Edmundston; ECCC keeps no 1991–2020 normals in Saint-Jacques itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Jacques →
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).