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
The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 6.2°C (43.2°F) to an icy 0.7°C (33.3°F). Westchester Station cools down to an average low-temperature of -5°C (23°F) throughout the month of December.Humidity
The average relative humidity in December in Westchester Station is 85%.Rainfall
In Westchester Station, in December, during 10.9 rainfall days, 85mm (3.35") of precipitation is typically accumulated. Throughout the year, in Westchester Station, there are 151.5 rainfall days, and 810mm (31.89") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.9 days. Throughout December, 215mm (8.46") of snow is accumulated. In Westchester Station, during the entire year, snow falls for 75 days and aggregates up to 1098mm (43.23") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December in Westchester Station, sunrise is at 7:35 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:40 pm AST.
Sunshine
The average sunshine in December is 3.1h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in Westchester Station in December?
What is the average humidity in December in Westchester Station?
How much does it rain in Westchester Station in December?
How much does it snow in Westchester Station in December?
What is the month with the shortest days in Westchester Station?
What is the average length of the day in December in Westchester Station?
When are sunrise and sunset in December in Westchester Station?
How long on average sun shines in December in Westchester Station?
What is the month with the lowest UV index in Westchester Station?
What is the UV index reading in December in Westchester Station?
Average temperature in December
Westchester Station, Canada
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -5°C
The month with the highest average low temperature is July (13.9°C).
The coldest months (with the lowest average low temperature) are January and February (-9.8°C).
Average pressure in December
Westchester Station, Canada
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in December
Westchester Station, Canada
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Westchester Station, Canada
- Average humidity in December: 85%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (79%).
Average rainfall in December
Westchester Station, Canada
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is March (46mm).
Average rainfall days in December
Westchester Station, Canada
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Westchester Station, Canada
- Average snowfall in December: 215mm
The month with the highest snowfall is February (224mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Westchester Station, Canada
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westchester Station, Canada
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Westchester Station, Canada
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in December
Westchester Station, Canada
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Westchester Station, Canada
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Westchester Station, Canada
- Average visibility in December: 8km
The month with the highest visibility is October (9km).
The months with the lowest visibility are January, February and March (7km).
Westchester Station, Canada
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