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
In December, the average high-temperature decreases from a frosty 6.5°C (43.7°F) in November to a cold 0.7°C (33.3°F). The December average low temperature, marginally lower than the daytime high, records at a subzero cold -3.8°C (25.2°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In Tillsonburg, in December, it is raining for 8 days, with typically 23mm (0.91") of accumulated precipitation. In Tillsonburg, during the entire year, the rain falls for 128.1 days and collects up to 346mm (13.62") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Tillsonburg, during December, snow falls for 14.4 days and regularly aggregates up to 51mm (2.01") of snow. Throughout the year, there are 68.4 snowfall days, and 277mm (10.91") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:34 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:58 pm EST.
Sunshine
In December, the average sunshine is 2.7h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Tillsonburg?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Tillsonburg?
What is the month with the shortest days?
How many hours of daylight does Tillsonburg have in December?
When are sunrise and sunset in December in Tillsonburg?
How many hours of sunshine does Tillsonburg have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Tillsonburg, Canada
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -3.8°C
The month with the highest average low temperature is July (15.4°C).
The coldest months (with the lowest average low temperature) are January and February (-8.2°C).
Average pressure in December
Tillsonburg, Canada
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in December
Tillsonburg, Canada
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in December
Tillsonburg, Canada
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Tillsonburg, Canada
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is March (20mm).
Average rainfall days in December
Tillsonburg, Canada
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is May (14.1 days).
The months with the least rainy days are January and February (5.7 days).
Average snowfall in December
Tillsonburg, Canada
- Average snowfall in December: 51mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tillsonburg, Canada
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tillsonburg, Canada
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Tillsonburg, Canada
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in December
Tillsonburg, Canada
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Tillsonburg, Canada
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Tillsonburg, Canada
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
