St. James-Assiniboia East weather in December

In December, St. James-Assiniboia East sees average daytime highs of -9°C and overnight lows near -16°C, with 22 mm of precipitation across 5.7 wet days and about 8 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -6°C in the first days to -11°C by the end. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 12 min at the start of December to 7 h 54 min by month's end. Set against the rest of the year, December is St. James-Assiniboia East's 12th-clearest and 9th-windiest month. For the whole year in context, see St. James-Assiniboia East's year-round climate.

Daytime high
-9°
10th warmest
Overnight low
-16°
3rd coldest
Precipitation
22 mm
5.7 wet days
Daylight
7 h 54 min
8:28 AM – 4:22 PM
Cloud cover
74%
12th clearest
Wind
14 km/h
9th windiest
Solar energy
1.05 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -6°C in the first days to -11°C by the end.

A typical December day in St. James-Assiniboia East reaches about -9°C in the afternoon and slips back to -16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -19°C and 0°C. Set against its neighbours, December runs about 8°C cooler than November and about 3°C warmer than January.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-5-13
2-6-13
3-6-14
4-6-14
5-6-14
6-7-14
7-7-15
8-7-15
9-7-15
10-8-15
11-8-16
12-8-16
13-8-16
14-8-16
15-8-16
16-9-16
17-9-17
18-9-17
19-9-17
20-9-17
21-9-17
22-10-17
23-10-18
24-10-18
25-10-18
26-10-18
27-11-18
28-11-19
29-11-19
30-11-19
31-11-19

How December really feels in St. James-Assiniboia East

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

St. James-Assiniboia East weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-12° / -21°164.95.78.40.0
Feb-9° / -19°143.74.39.70.0
Mar-1° / -11°256.24.511.50.0
Apr10° / -2°366.32.713.52.2
May17° / 8010.80.615.15.4
Jun22° / 12°9912.40166.2
Jul25° / 14°8811.5015.76.8
Aug24° / 12°779.8014.37.1
Sep19° / 699.1012.46.0
Oct10° / 478.11.910.52.2
Nov-1° / -8°2865.18.80.0
Dec-9° / -16°225.76.380.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42872
52872
62872
72872
82872
92872
102773
112773
122773
132773
142773
152773
162674
172674
182674
192674
202575
212674
222674
232773
242773
252773
262971
272971
283070
293070
303169
313268

Chance of precipitation in December

Any precipitationSnow

St. James-Assiniboia East gets around 22 mm of rain and snow over 5.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 18% and peaks near 18% on the wettest days, and about 6 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11719
21719
31719
41719
51718
61718
71718
81819
91819
101819
111819
121820
131820
141820
151820
161821
171821
181821
191821
201821
211822
221822
231822
241822
251822
261821
271821
281820
291720
301720
311719

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 12 min at the start of December to 7 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:13 AM to 8:34 AM, and sunset from 4:24 PM to 4:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.28:134:24
28.28:144:24
38.18:154:24
48.18:174:23
58.18:184:23
68.18:194:22
78.08:204:22
88.08:214:22
98.08:224:22
108.08:234:22
118.08:244:22
127.98:254:22
137.98:264:22
147.98:274:22
157.98:274:22
167.98:284:22
177.98:294:22
187.98:304:22
197.98:304:23
207.98:314:23
217.98:314:24
227.98:324:24
237.98:324:24
247.98:334:25
257.98:334:26
267.98:334:26
277.98:344:27
287.98:344:28
297.98:344:28
307.98:344:29
317.98:344:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.05 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.05 kWh/m² to a high of 6.14 kWh/m² in July across the year — December's 1.05 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.1Dim
71.1Dim
81.1Dim
91.1Dim
101.1Dim
111.1Dim
121.1Dim
131.0Dim
141.0Dim
151.0Dim
161.0Dim
171.0Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.0Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.1Dim
Planning a trip in December

Hazard calendar for St. James-Assiniboia East

In seasonPeak

None of St. James-Assiniboia East's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

St. James-Assiniboia East's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit St. James-Assiniboia East?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in St. James-Assiniboia East.

What to pack for St. James-Assiniboia East in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, St. James-Assiniboia East sees daytime highs around -9°C and nights near -16°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

UV index in St. James-Assiniboia East in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. James-Assiniboia East peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in St. James-Assiniboia East in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in St. James-Assiniboia East is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (October, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 2316 µg/m³Oct 235 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar12Good
Apr12Good
May11Good
Jun11Good
Jul17Moderate
Aug16Moderate
Sep10Good
Oct5Good
Nov6Good
Dec6Good
Location & terrain

Where is St. James-Assiniboia East?

St. James-Assiniboia East sits at 49.9°N, 97.2°W, 231 m above sea level, in Canada. The nearest listed city is Winnipeg, 6.0 km away.

West FargoFargo

Topography around St. James-Assiniboia East

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St. James-Assiniboia East.

Within 3 km, the terrain around St. James-Assiniboia East has only modest variations in elevation — a maximum elevation change of 28 m around an average of 236 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, only modest variations in elevation — a maximum elevation change of 122 m.

The land around St. James-Assiniboia East is covered by artificial surfaces (54%) and grassland (22%) within 3 km, cropland (41%), artificial surfaces (27%) and grassland (21%) within 16 km, and cropland (57%) within 80 km.

3 km
28 m
16 km
38 m
80 km
122 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Winnipeg 6.0 km · Fort Garry South 12 km · Steinbach 56 km · Brandon 195 km · Kenora 197 km · Grand Forks 219 km · West Fargo 336 km · Fargo 337 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for St. James-Assiniboia East (49.8899°, -97.2265°, elevation 231 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).