December weather forecast
Kelowna, Canada

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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.
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Frequently asked questions

What is the coldest month in Kelowna?

December, with an average high of -2.6°C (27.3°F) and a low of -9.8°C (14.4°F), signifies the coldest month of the year.

How cold is December in Kelowna?

An average high-temperature, in December, in Kelowna, is -2.6°C (27.3°F) and the average low-temperature is -9.8°C (14.4°F).

What is the average humidity in December in Kelowna?

In December, the average relative humidity in Kelowna is 90%.

How much does it rain in Kelowna in December?

In Kelowna, in December, it is raining for 10.5 days, with typically 21mm (0.83") of accumulated precipitation.

How much does it snow in Kelowna in December?

In December, in Kelowna, it is snowing for 12.9 days. Throughout December, 100mm (3.94") of snow is accumulated.

What is the month with the shortest days in Kelowna?

December has the shortest days of the year in Kelowna, with an average of 8h and 12min of daylight.

How many hours of daylight does Kelowna have in December?

The average day length in December in Kelowna is 8h and 11min.

When is the sunrise / sunset in December in Kelowna?

On the first day of December in Kelowna, sunrise is at 7:35 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:06 pm PST.

How long on average sun shines in December in Kelowna?

In December, the average sunshine duration is 5.1h.

What is the UV index intensity in December in Kelowna?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kelowna, Canada

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).

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Average pressure in December
Kelowna, Canada

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).

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Average wind speed in December
Kelowna, Canada

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).

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Average humidity in December
Kelowna, Canada

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%).

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Average rainfall in December
Kelowna, Canada

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).

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Average rainfall days in December
Kelowna, Canada

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).

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Average snowfall in December
Kelowna, Canada

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).

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Average snowfall days in December
Kelowna, Canada

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).

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Average daylight in December /
Average sunshine in December
Kelowna, Canada

Average daylight in December / Average sunshine in December - Kelowna, Canada
  • Average daylight in December: 8h and 1min

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 1min

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).

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Average sunshine days in December
Kelowna, Canada

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).

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Average UV index in December
Kelowna, Canada

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).

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Average cloud cover in December
Kelowna, Canada

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).

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Average visibility in December
Kelowna, Canada

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).

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Kelowna, Canada

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