Photo: Gabriel Picard · CC BY-SA 4.0Precipitation in Upton tops that of 82% of Canadian towns: 1,109 mm a year
In July the day’s top temperature is typically 26.0°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 41°C. Winter nights are cold: in January they are colder than in 71% of Canadian towns. The furnace earns its keep from October to April, the months that average under 10°C.
Borrowed figures: Upton has no normals station, so these come from Fleury, 30 km north-west.
A year in Upton at a glance
Each month’s typical high and low, in °C.
What stands out about Upton’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Upton feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 161 frosts and 115 warm days a year
Frost comes from September to May; in January almost every night freezes. Some 20 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
Rain and melted snow: about 1,109 mm a year
August brings the most rain and snow; February, the least. On about 145 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
202 cm of snow in a typical year
From October to April snow is likely; December is the peak, at about 49 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Upton
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up.
Living with Upton’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
About 136 days a year pass without frost, from an average last frost of 12 May to a first of 27 September.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul, Aug and Sep.
Parks & trails →Bad-weather days, from blizzards to floods, get their own page for Upton: the hazards page.
Flood & hazards →ECCC’s normals location: Fleury
Fleury is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 30 km north-west |
| Station altitude | 31 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.0°C |
| Hottest reading, 1991–2020 | 35.1°C |
| Next-nearest location | Drummondville, 30 km |
How Upton 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 Quebec.
Nearby towns’ climate
Places around Upton whose figures come from another normals location.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Upton Fleury | 26.0°C | −14.8°C | 1,109 mm |
| Saint-Liboire 5.9 km · Fleury | 26.0°C about the same | −14.8°C about the same | 1,109 mm |
| Acton Vale 8.9 km · Drummondville | 26.0°C about the same | −14.2°C 0.6°C milder | 1,070 mm |
| Saint-Valérien-de-Milton 11 km · Granby | 25.6°C about the same | −13.4°C 1.4°C milder | 1,226 mm |
Upton weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.8°C | −14.8°C | −10.5°C | 81 mm | 45 cm |
| February | −3.8°C | −13.6°C | −8.6°C | 61 mm | 43 cm |
| March | 1.8°C | −7.3°C | −2.7°C | 71 mm | 38 cm |
| April | 10.5°C | 0.6°C | 5.8°C | 96 mm | 13 cm |
| May | 19.1°C | 7.4°C | 13.2°C | 98 mm | under 1 cm |
| June | 23.9°C | 12.7°C | 18.4°C | 102 mm | 0 cm |
| July | 26.0°C | 14.9°C | 20.2°C | 106 mm | 0 cm |
| August | 25.0°C | 13.7°C | 19.3°C | 114 mm | 0 cm |
| September | 20.7°C | 9.4°C | 15.1°C | 97 mm | 0 cm |
| October | 13.0°C | 3.6°C | 8.4°C | 108 mm | 2 cm |
| November | 5.5°C | −2.0°C | 1.9°C | 90 mm | 12 cm |
| December | −2.0°C | −9.3°C | −5.9°C | 85 mm | 49 cm |
| Year | 11.2°C | 1.3°C | 6.2°C | 1,109 mm | 202 cm |
The most changeable month: January, give or take 3.1°C; the steadiest, August
Over 1991–2020, March saw both −31.0°C (1992) and 25.5°C (2012), the widest span of any month.
Where Upton’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Fleury, the closest ECCC location with twelve months of temperature normals.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Upton’s climate
How warm does Upton get in summer?
A normal July afternoon tops out at about 26.0°C, the year’s high point.
How cold does Upton get in winter?
Expect nights around −14.8°C in January; no month is colder.
How much rain and snow does Upton get?
Over twelve months, rain and melted snow come to 1,109 mm; the range runs from 61 mm in February to 114 mm in August.
How long does snow stay on the ground?
Snow covers the ground, 1 cm or more, on about 106 days a year.
Are these figures for Upton itself?
Only indirectly: the readings are made at Fleury, outside Upton.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Upton →
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).