Penticton
Canada
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Penticton, Canada

The first month of the winter, December, is also a wintry month in Penticton, Canada, with average temperature fluctuating between -3.5°C (25.7°F) and 1.4°C (34.5°F).

Temperature

December is the coldest month, with an average high-temperature of 1.4°C (34.5°F) and an average low-temperature of -3.5°C (25.7°F).

Humidity

The average relative humidity in December is 71%.

Rainfall

December is the month with the least rainfall. Rain falls for 5.5 days and accumulates 11.4mm (0.4") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is December when snow falls for 9.6 days and typically aggregates up to 211mm (8.3") of snow.

Daylight

December has the shortest days of the year in Penticton, Canada, with an average of 8.2h of daylight.

Sunshine

January and December, with an average of 1.1h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index in Penticton are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Penticton?

The coldest month is December, with an average high-temperature of 1.4°C (34.5°F) and an average low-temperature of -3.5°C (25.7°F).

What is the temperature in December in Penticton?

The average high-temperature, in December, is 1.4°C (34.5°F), while the average low-temperature is -3.5°C (25.7°F).

What is the average humidity in December in Penticton?

The average relative humidity in December is 71%.

How many days does it rain in December in Penticton?

In December, the rain falls for 5.5 days. Throughout December, 11.4mm (0.4") of precipitation is accumulated.

What is the driest month in Penticton?

The month with the least rainfall in Penticton, Canada, is December when the rain falls for 5.5 days and typically collects 11.4mm (0.4") of precipitation.

How many days does it snow in December in Penticton?

In December, in Penticton, it is snowing for 9.6 days. Throughout December, 211mm (8.3") of snow is accumulated.

What is the snowiest month in Penticton?

The month with the most snowfall in Penticton is December when snow falls for 9.6 days and typically aggregates up to 211mm (8.3") of snow.

What is the month with the shortest days in Penticton?

December has the shortest days of the year in Penticton, Canada, with an average of 8.2h of daylight.

What is the average length of the day in December in Penticton?

In Penticton, Canada, the average length of the day in December is 8.2h.

What is the month with the least sunshine in Penticton?

January and December, with an average of 1.1h of sunshine, are months with the least sunshine in Penticton, Canada.

How many hours of sunshine does Penticton have in December?

The average sunshine in December is 1.1h.

What are the months with the lowest UV index in Penticton?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Penticton, Canada.

How high is the UV index in December in Penticton?

The average daily maximum UV index in December in Penticton, Canada, is 1. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Penticton, Canada
  • Average high temperature in December: 1.4°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is December (1.4°C).

  • Average low temperature in December: -3.5°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is December (-3.5°C).

Average humidity in December - Penticton, Canada
  • Average humidity in December: 71%

The month with the highest relative humidity is January (71.2%).
The month with the lowest relative humidity is July (35.1%).

Average rainfall in December - Penticton, Canada
  • Average rainfall in December: 11.4mm

The wettest month (with the highest rainfall) is June (46.3mm).
The driest month (with the lowest rainfall) is December (11.4mm).

Average rainfall days in December - Penticton, Canada
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (10.7 days).
The month with the lowest number of rainy days is December (5.5 days).

Average snowfall in December - Penticton, Canada
  • Average snowfall in December: 211mm

The month with the highest snowfall is December (211mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Penticton, Canada
  • Average snowfall days in December: 9.6 days

The month with the highest number of snowfall days is December (9.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Penticton, Canada
  • Average daylight in December: 8.2h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.2h).

  • Average sunshine in December: 1.1h

The month with most sunshine is July (Average sunshine: 9.3h).
Months with least sunshine are January and December (Average sunshine: 1.1).

Average UV index in December - Penticton, Canada
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).