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
Weather in December
Temperature
Duncan's coldest month, December, registers temperatures that range from a high of 6.3°C (43.3°F) to a low of 3.5°C (38.3°F).Humidity
The average relative humidity in December in Duncan is 82%.Rainfall
In December, in Duncan, the rain falls for 8.6 days. Throughout December, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 72.5 rainfall days, and 163mm (6.42") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Duncan. In Duncan, in December, snow falls for 1.4 days, with typically accumulated 5mm (0.2") of snow. Throughout the year, in Duncan, there are 6.8 snowfall days, and 93mm (3.66") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:47 am and sunset at 4:20 pm. On the last day of December, sunrise is at 8:07 am and sunset at 4:28 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Duncan?
How cold is it in Duncan in December?
What is the average humidity in December in Duncan?
How much does it rain in Duncan in December?
How much does it snow in Duncan in December?
What is the month with the shortest days in Duncan?
How many hours of daylight does Duncan have in December?
When are sunrise and sunset in December in Duncan?
What is the month with the least sunshine in Duncan?
How long on average sun shines in December in Duncan?
When is the lowest UV index in Duncan?
What is the UV index reading in December in Duncan?
Average temperature in December
Duncan, Canada
- Average high temperature in December: 6.3°C
The warmest months (with the highest average high temperature) are July and August (20.2°C).
The month with the lowest average high temperature is December (6.3°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Duncan, Canada
- Average pressure in December: 1017.5mbar
The months with the highest atmospheric pressure are January and July (1017.8mbar).
The month with the lowest atmospheric pressure is March (1015.7mbar).
Average wind speed in December
Duncan, Canada
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Duncan, Canada
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Duncan, Canada
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is January (37mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Duncan, Canada
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is December (8.6 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Duncan, Canada
- Average snowfall in December: 5mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Duncan, Canada
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Duncan, Canada
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Duncan, Canada
- Average sunshine days in December: 20 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (17.4 days).
Average UV index in December
Duncan, 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, February, November and December (UV index 2).
Average cloud cover in December
Duncan, Canada
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Duncan, Canada
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February and November (9km).
Duncan, Canada
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