December weather forecastPenticton, Canada

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Penticton, Canada, with an average temperature fluctuating between -11°C (12.2°F) and -2.6°C (27.3°F).

Temperature

The coldest temperatures occur during December, when averages reach a peak of -2.6°C (27.3°F) and a low of -11°C (12.2°F).

Humidity

In Penticton, the average relative humidity in December is 91%.

Rainfall

In Penticton, in December, during 8 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 106 rainfall days, and 136mm (5.35") of precipitation is accumulated.

Snowfall

Months with snowfall in Penticton are January through April, November and December. December is the month with the most snowfall in Penticton. Snow falls for 11.5 days and accumulates 57mm (2.24") 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 7:34 am and sunset at 4:01 pm. On the last day of December, sunrise is at 7:54 am and sunset at 4:09 pm PST.

Sunshine

In December, the average sunshine in Penticton is 4.8h.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

Penticton's coldest month, December, generally records average temperatures ranging from a high of -2.6°C (27.3°F) to a low of -11°C (12.2°F).

In Penticton, -2.6°C (27.3°F) is the average high-temperature and -11°C (12.2°F) is the average low-temperature during December.

In December, the average relative humidity in Penticton is 91%.

In Penticton, Canada, in December, during 8 rainfall days, 13mm (0.51") of precipitation is typically accumulated.

December is the month with the most snowfall in Penticton, Canada. Snow falls for 11.5 days and accumulates 57mm (2.24") of snow.

In Penticton, Canada, during December, snow falls for 11.5 days and regularly aggregates up to 57mm (2.24") of snow.

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

In December, the average day length is 8h and 14min.

On the first day of December in Penticton, Canada, sunrise is at 7:34 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:09 pm PST.

The average sunshine duration in December in Penticton is 4.8h.

The average daily maximum UV index in December in Penticton, Canada, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Penticton, Canada

  • Average high temperature in December: -2.6°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is December (-2.6°C).

  • Average low temperature in December: -11°C

The month with the highest average low temperature is August (7.8°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).

Average pressure in December
Penticton, Canada

  • Average pressure in December: 1021.4mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in December
Penticton, Canada

  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity in December
Penticton, Canada

  • Average humidity in December: 91%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (55%).

Average rainfall in December
Penticton, Canada

  • Average rainfall in December: 13mm

The wettest months (with the highest rainfall) are May and June (14mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in December
Penticton, Canada

  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is March (11.7 days).
The month with the least rainy days is August (4.8 days).

Average snowfall in December
Penticton, Canada

  • Average snowfall in December: 57mm

The month with the highest snowfall is December (57mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Penticton, Canada

  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 48min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Penticton, Canada

  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in December
Penticton, Canada

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in December
Penticton, Canada

  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Penticton, 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 and February (5km).