Photo: Thewhite · CC BY-SA 3.0

Climate in Saint-Siméon · ECCC 1991–2020 normals

Saint-Siméon sits near the bottom of Canadian towns for July heat

On a normal January night the air cools to about −15.5°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 38°C. Its yearly rain and snow top those of 83% of Canadian towns. Homes need heating from October to May, the months averaging under 10°C.

July afternoons: cooler than 96% of Canadian towns

January nights: colder than 73% of Canadian towns

Rain and snow a year: wetter than 83% of Canadian towns

No ECCC station in Saint-Siméon has 1991–2020 normals; the page reads Rivière-du-Loup/St-Antonin, 27 km east, instead.

July high

22.5°C

Typical Canadian town 25.5°C

January low

−15.5°C

Typical Canadian town −13.5°C

Rain & snow a year

1,124 mm

Typical Canadian town 883 mm

Snowfall a year

281 cm

Typical Canadian town 141 cm

Frost days

176

a year at 0°C or below

A year in Saint-Siméon at a glance

Each month’s typical high and low, in °C.

Jan−7°C−16°CColdest nights

Feb−6°C−14°C

Mar−1°C−9°C

Apr6°C−2°C

May14°C4°C

Jun20°C9°C

Jul23°C13°CWarmest

Aug22°C12°C

Sep17°C8°C

Oct10°C2°CWettest

Nov now3°C−3°C

Dec−4°C−10°CSnowiest

What stands out about Saint-Siméon’s climate

Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.

Cooler than 96% of Canadian townsJuly afternoons average 22.5°C, the warmest of the year.Snowier than 91% of Canadian townsAbout 281 cm of snow falls in a year, most of it in December.Wetter than 83% of Canadian townsAbout 1,124 mm of rain and melted snow a year; October is the wettest month and January the driest.

A normal year

What a year in Saint-Siméon feels like

Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.

Winter

−6°C / −13°C

217 mm, with 181 cm of snow

Spring

6°C / −2°C

268 mm, with 74 cm of snow

Summer

21°C / 11°C

326 mm of rain and snow, the wettest season

Autumn

10°C / 2°C

312 mm, with 27 cm of snow

−20°

−10°

0°

10°

20°

30°

−7°C−16°C

−6°C−14°C

−1°C−9°C

6°C−2°C

14°C4°C

20°C9°C

23°C13°C

22°C12°C

17°C8°C

10°C2°C

3°C−3°C

−4°C−10°C

JanFebMarAprMayJunJulAugSepOctNovDec

Best months to be outsideJunJulAugHighs of 17–27°C and nights of 8°C or more

Frost & warm days

Frost on 176 days, 20°C on 74

Frost comes from October to May; in January almost every night freezes. Some 17 nights a year drop under −20°C.

176

Frost days a year (0°C or below)

More frosts than 61% of Canadian towns

103

Days that stay below 0°C

Nights a year below −20°C

Days a year above 20°C

Days a year above 30°C

Frost days by month

Average days at 0°C or below

JFMAMJJASOND

Days above 20°C by month

Average days

JFMAMJJASOND

Rain & snow

About 1,124 mm of rain and snow a year

About 137 days a year bring 1 mm or more.

1,124 mm

Rain and snow a year

Wetter than 83% of Canadian towns

860 mm

Of it as rain alone (77%)

124 mm

October, the wettest month

63 mm

January, the driest month

Rain and snow by month

Millimetres

124 mm

JFMAMJJASOND

Rain alone by month

Millimetres

118 mm

JFMAMJJASOND

ECCC’s Rivière-du-Loup/St-Antonin normals leave out precipitation and snow; both come from Grandes-Bergeronnes here, 53 km away.

Snow

Snowfall: about 281 cm in a normal year

Snow falls from October to May, most of all in December (about 66 cm).

281 cm

Snowfall a year

Snowier than 91% of Canadian towns

Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

66 cm

JFMAMJJASOND

Heating

Heating a home in Saint-Siméon

88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.

5,236 heating degree days (below 18°C)a year, 1991–2020

1,516 growing degree days (above 5°C)a year, 1991–2020

Think of it as a year’s worth of daily shortfalls below 18°C, added up. A house here needs more heating than 81% of Canadian towns.

Living here

Living with Saint-Siméon’s climate

The averages read for the garden, the outdoors and the coldest and hottest days.

Get outside

Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.

Parks & trails →

Wind chill

Plan for about 49 days a year with a wind chill below −20.

Humidex

About 16 days a year feel above 30 on the humidex.

Storms and extremes

For the weather that does damage, from ice storms to floods, see Saint-Siméon’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Rivière-du-Loup/St-Antonin

Behind the 1991–2020 normals for Rivière-du-Loup/St-Antonin are 2 stations, which ECCC combines into one record.

Distance from the town	27 km east
Station altitude	147 m
Completeness	at least 20 years
WMO standard normals	No
Precipitation from	Grandes-Bergeronnes, 53 km
Coldest reading, 1991–2020	−31.3°C
Hottest reading, 1991–2020	34.2°C
Average wind	9.8 km/h on average, most often from the north
Next-nearest location	Grandes-Bergeronnes, 53 km

Compared with other towns

How Saint-Siméon compares

Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.

July afternoons22.5°C

Saint-SiméonMedian Canadian town

18°C20°C22°C24°C26°C28°C

Cooler than 96% of Canadian towns

January nights−15.5°C

Saint-SiméonMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Colder than 73% of Canadian towns

Rain and snow a year1,124 mm

Saint-SiméonMedian Canadian town

05001,0001,5002,000

Wetter than 83% of Canadian towns

Snowfall a year281 cm

Saint-SiméonMedian Canadian town

100200300400

Snowier than 91% of Canadian towns

Next door

Nearby towns’ climate

Places around Saint-Siméon whose figures come from another normals location. No closer places have figures: these lie 27–43 km from Saint-Siméon.

Town	July high	January low	Rain & snow
Saint-Siméon Rivière-du-Loup/St-Antonin	22.5°C	−15.5°C	1,124 mm
La Malbaie 27 km · La Pocatière	24.2°C 1.7°C warmer	−15.3°C about the same	906 mm
Sacré-Coeur 43 km · Grandes-Bergeronnes	22.3°C about the same	−16.6°C 1.1°C colder	1,124 mm

Month by month

Saint-Siméon 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	−7.3°C	−15.5°C	−11.4°C	63 mm	51 cm
February	−6.1°C	−14.4°C	−10.2°C	68 mm	64 cm
March	−0.8°C	−9.0°C	−4.9°C	74 mm	52 cm
April	6.0°C	−1.9°C	2.1°C	98 mm	21 cm
May	14.2°C	4.2°C	9.3°C	96 mm	1 cm
June	19.7°C	9.4°C	14.5°C	101 mm	0 cm
July	22.5°C	12.8°C	17.7°C	113 mm	0 cm
August	21.8°C	12.2°C	17.0°C	111 mm	0 cm
September	17.2°C	7.9°C	12.5°C	110 mm	0 cm
October	9.6°C	2.2°C	5.9°C	124 mm	5 cm
November	2.8°C	−3.3°C	−0.3°C	78 mm	22 cm
December	−3.7°C	−10.4°C	−7.1°C	86 mm	66 cm
Year	8.0°C	−0.5°C	3.8°C	1,124 mm	281 cm

Year to year

March has run from −25.8°C to 21.1°C in thirty years

From one year to the next, February’s average typically shifts by 2.8°C around its normal of −10.2°C, the widest of any month, while August’s shifts by 1.0°C.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Saint-Siméon’s numbers come from

Averages over 30 years, not a forecast.

Normals: ECCC’s normals for Rivière-du-Loup/St-Antonin, 1991–2020, chosen as the nearest location with a full temperature record.
Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
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 Saint-Siméon’s climate

How warm does Saint-Siméon get in summer?

On a normal day in July the thermometer climbs to 22.5°C, the warmest of the year.

How cold does Saint-Siméon get in winter?

Deep winter means January, when nights average −15.5°C.

How much rain and snow does Saint-Siméon get?

Rain and snow add up to about 1,124 mm of water a year; October brings the most (124 mm), January the least (63 mm).

Are these figures for Saint-Siméon itself?

They come from Rivière-du-Loup/St-Antonin, which ECCC uses as the nearest normals location for Saint-Siméon.

Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Siméon →

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).