Okanagan Mission weather in December

In December, Okanagan Mission sees average daytime highs of -1°C and overnight lows near -5°C, with 66 mm of precipitation across 13.7 wet days and about 8 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -1°C by the end. The sky is clear or mostly clear about 7% 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 Okanagan Mission's 12th-clearest and 3rd-windiest month. For the whole year in context, see Okanagan Mission's year-round climate.

Daytime high
-1°
11th warmest
Overnight low
-5°
3rd coldest
Precipitation
66 mm
13.7 wet days
Daylight
7 h 54 min
7:57 AM – 3:51 PM
Cloud cover
80%
12th clearest
Wind
6 km/h
3rd windiest
Solar energy
1.01 kWh/m²
Travel score
0.0
out of 10

Okanagan Mission is human settlement in British Columbia, Canada.

Founded
1860

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 1°C in the first days to -1°C by the end.

A typical December day in Okanagan Mission reaches about -1°C in the afternoon and slips back to -5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 4°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
11-4
21-4
31-4
41-4
50-4
60-4
70-4
80-4
90-4
100-4
110-4
120-5
130-5
140-5
150-5
160-5
170-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-5
23-1-5
24-1-5
25-1-6
26-1-6
27-1-6
28-1-6
29-1-6
30-1-6
31-2-6

How December really feels in Okanagan Mission

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
wind chill below the day's low

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

Okanagan Mission weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°5913.3138.40.0
Feb / -6°4210.39.39.70.0
Mar / -3°5811.88.711.50.3
Apr10° / 46103.513.52.2
May15° / 5310.10.715.14.6
Jun18° / 529.90.1165.8
Jul23° / 11°295.1015.77.8
Aug23° / 12°245.2014.27.9
Sep18° / 417.30.112.46.3
Oct11° / 6711.61.610.52.5
Nov / -1°8615.3108.80.1
Dec-1° / -5°6613.714.180.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52179
62080
72080
81981
91981
101981
111783
121783
131783
141684
151684
161585
171585
181486
191387
201387
211387
221387
231486
241486
251486
261486
271684
281684
291684
301684
311783

Chance of precipitation in December

Any precipitationSnow

Okanagan Mission gets around 66 mm of rain and snow over 13.7 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 45% and peaks near 47% on the wettest days, and about 14 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14541
24541
34441
44441
54542
64542
74542
84543
94643
104644
114644
124745
134746
144746
154746
164747
174647
184647
194647
204547
214547
224447
234447
244447
254447
264447
274448
284448
294448
304548
314548

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 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 7:42 AM to 8:03 AM, and sunset from 3:54 PM to 3:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.27:423:54
28.27:433:53
38.17:443:53
48.17:453:52
58.17:463:52
68.17:483:52
78.07:493:52
88.07:503:51
98.07:513:51
108.07:523:51
118.07:533:51
128.07:543:51
137.97:543:51
147.97:553:51
157.97:563:51
167.97:573:51
177.97:583:52
187.97:583:52
197.97:593:52
207.97:593:53
217.98:003:53
227.98:003:53
237.98:013:54
247.98:013:54
257.98:023:55
267.98:023:56
277.98:023:56
287.98:023:57
297.98:033:58
307.98:033:59
317.98:033:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.01 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 6.88 kWh/m² in July across the year — December's 1.01 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.0Dim
71.0Dim
81.0Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.0Dim
161.0Dim
171.0Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.0Dim
231.0Dim
241.0Dim
251.0Dim
261.0Dim
271.0Dim
281.0Dim
291.0Dim
301.0Dim
311.1Dim
Planning a trip in December

Is December a good time to visit Okanagan Mission?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Okanagan Mission.

What to pack for Okanagan Mission in December

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

In December, Okanagan Mission sees daytime highs around -1°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

UV index in Okanagan Mission 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 Okanagan Mission peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 15 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 15UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May6High
Jun6High
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Okanagan Mission 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 Okanagan Mission is worst in August — around 62 µg/m³ PM2.5 (unhealthy), about 12.8× the cleanest month (January, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModeratePoorAug 1657 µg/m³Jan 215 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar7Good
Apr7Good
May8Good
Jun8Good
Jul29Moderate
Aug62Unhealthy
Sep22Moderate
Oct39Poor
Nov44Poor
Dec6Good
Location & terrain

Where is Okanagan Mission?

Okanagan Mission sits at 49.8°N, 119.5°W, 379 m above sea level, in Canada. The nearest listed city is Kelowna, 7.0 km away.

Topography around Okanagan Mission

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Okanagan Mission.

Within 3 km, the terrain around Okanagan Mission has significant variations in elevation — a maximum elevation change of 380 m around an average of 432 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,624 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,135 m.

The land around Okanagan Mission is covered by grassland (31%), trees (27%) and water (23%) within 3 km, trees (57%) and grassland (22%) within 16 km, and trees (76%) within 80 km.

3 km
380 m
16 km
1,624 m
80 km
2,135 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kelowna 7.0 km · West Kelowna 9.0 km · Rutland 12 km · Lake Country 22 km · Penticton 38 km · Vernon 52 km · Salmon Arm 99 km · Kamloops 112 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 Okanagan Mission (49.8167°, -119.4833°, elevation 379 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).