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
December marks a gentle change in average high-temperature, declining from November's refreshing 56.8°F (13.8°C) to a frosty 49.5°F (9.7°C). The low-temperature average for Dundas during December stands at an icy 35.1°F (1.7°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Dundas, during December, the rain falls for 10.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Dundas, there are 153.1 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Dundas. In December, it is snowing for 1.3 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, in Dundas, there are 10.5 snowfall days, and 8.23" (209mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:05 pm EST.
Sunshine
December has the least sunshine of the year in Dundas, with an average of 5.3h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Dundas. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Dundas?
What is the most humid month in Dundas?
What is the average humidity in December in Dundas?
How much does it rain in Dundas in December?
How much does it snow in Dundas in December?
What is the month with the shortest days in Dundas?
How many hours of daylight does Dundas have in December?
What time are sunrise and sunset in December in Dundas?
What is the month with the least sunshine in Dundas?
How long on average sun shines in December in Dundas?
What are the months with the lowest UV index in Dundas?
What is the UV index intensity in December in Dundas?
Average temperature in December
Dundas, VA
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Dundas, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Dundas, VA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Dundas, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Dundas, VA
- Average rainfall in December: 2.36"
The wettest months (with the highest rainfall) are March, May and November (2.68").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Dundas, VA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Dundas, VA
- Average snowfall in December: 1.65"
The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dundas, VA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.5 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
Dundas, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Dundas, VA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Dundas, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Dundas, VA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Dundas, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Dundas, Virginia, USA
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