December weather forecastKelowna, Canada
December
Weather in December
December in Kelowna is fully covered by winter with lower temperatures and shorter daylight hours. A considerably high relative humidity of 90% often leads to frosty mornings and snowy days. Celebrations of the holiday season are likely to witness heavy snowfall reaching up to 100mm (3.94"), becoming the co-occurring highest of the year. Such conditions are synonymous with the typical Canadian winter, setting the stage for an idyllic white Christmas. Despite the cold, the festive spirit of the residents turns the city into a winter wonderland.Temperature
The lowest temperatures in Kelowna are recorded in December, with averages reaching a high of -2.6°C (27.3°F) and a low of -9.8°C (14.4°F).Humidity
In December, the average relative humidity in Kelowna is 90%.Rainfall
In December, in Kelowna, the rain falls for 10.5 days. Throughout December, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Kelowna, there are 159.1 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Kelowna, Canada. In December, in Kelowna, it is snowing for 12.9 days. Throughout December, 100mm (3.94") of snow is accumulated. In Kelowna, during the entire year, snow falls for 53 days and aggregates up to 445mm (17.52") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 3:59 pm. On the last day of December, in Kelowna, sunrise is at 7:55 am and sunset at 4:06 pm PST.
Sunshine
The average sunshine in December is 5.1h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kelowna, Canada
- Average high temperature in December: -2.6°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is December (-2.6°C).
- Average low temperature in December: -9.8°C
The month with the highest average low temperature is August (9.3°C).
The coldest months (with the lowest average low temperature) are February and December (-9.8°C).
Average pressure in December
Kelowna, Canada
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed in December
Kelowna, Canada
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is November (7.4km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in December
Kelowna, Canada
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Kelowna, Canada
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
Kelowna, Canada
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is April (19.4 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in December
Kelowna, Canada
- Average snowfall in December: 100mm
The month with the highest snowfall is February (108mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Kelowna, Canada
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kelowna, Canada
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Kelowna, Canada
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in December
Kelowna, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Kelowna, Canada
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Kelowna, Canada
- Average visibility in December: 6km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (6km).





