Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Saint-Jean-Port-Joli in December experiences a subtle temperature decline, with average high-temperatures reducing from a wintry 1.7°C (35.1°F) in November to a subzero cold -5.1°C (22.8°F). The average low-temperature, in December, is an extreme cold -11.5°C (11.3°F).Humidity
In Saint-Jean-Port-Joli, the average relative humidity in December is 89%.Rainfall
In Saint-Jean-Port-Joli, in December, it is raining for 9.9 days, with typically 64mm (2.52") of accumulated precipitation. In Saint-Jean-Port-Joli, during the entire year, the rain falls for 152.6 days and collects up to 754mm (29.69") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Saint-Jean-Port-Joli, during December, snow falls for 17.7 days and regularly aggregates up to 254mm (10") of snow. In Saint-Jean-Port-Joli, during the entire year, snow falls for 96.4 days and aggregates up to 1493mm (58.78") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:01 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Saint-Jean-Port-Joli have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Saint-Jean-Port-Joli have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Saint-Jean-Port-Joli, Canada
- Average high temperature in December: -5.1°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-8.5°C).
- Average low temperature in December: -11.5°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-16.8°C).
Average pressure in December
Saint-Jean-Port-Joli, Canada
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is March (1016.9mbar).
The month with the lowest atmospheric pressure is June (1011.9mbar).
Average wind speed in December
Saint-Jean-Port-Joli, Canada
- Average wind speed in December: 10.6km/h
The windiest months (with the highest average wind speed) are January, February and March (11.5km/h).
The calmest months (with the lowest average wind speed) are June, July, August and September (10km/h).
Average humidity in December
Saint-Jean-Port-Joli, Canada
- Average humidity in December: 89%
The months with the highest relative humidity are January, February and March (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Saint-Jean-Port-Joli, Canada
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is February (51mm).
Average rainfall days in December
Saint-Jean-Port-Joli, Canada
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Saint-Jean-Port-Joli, Canada
- Average snowfall in December: 254mm
The month with the highest snowfall is March (314mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Saint-Jean-Port-Joli, Canada
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint-Jean-Port-Joli, Canada
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Saint-Jean-Port-Joli, Canada
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is April (8 days).
Average UV index in December
Saint-Jean-Port-Joli, Canada
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Saint-Jean-Port-Joli, Canada
- Average cloud cover in December: 58
The months with the most cloud cover are January and February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Saint-Jean-Port-Joli, Canada
- Average visibility in December: 7km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January and February (6km).
