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
Welcoming December, Markhams observes a shift in the average high-temperature, falling from November's chilly 44.4°F (6.9°C) to an icy 35.1°F (1.7°C). Markhams maintains a minor drop in temperature during December nights, with averages of 26.1°F (-3.3°C).Humidity
The average relative humidity in December is 86%.Rainfall
In Markhams, in December, it is raining for 8.8 days, with typically 1.46" (37mm) of accumulated precipitation. In Markhams, during the entire year, the rain falls for 148.9 days and collects up to 18.35" (466mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The months with the most snowfall are January and December, with an average 3.54" (90mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Markhams, New York, sunrise is at 7:26 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine is 2.6h.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 hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Markhams?
How much does it rain in December?
When does it snow the most in Markhams?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Markhams have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Markhams, NY
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Markhams, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Markhams, NY
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Markhams, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, August and September (80%).
Average rainfall in December
Markhams, NY
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in December
Markhams, NY
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is October (16.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Markhams, NY
- Average snowfall in December: 3.54"
The months with the highest snowfall are January and December (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Markhams, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Markhams, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Markhams, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in December
Markhams, NY
- 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
Markhams, NY
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Markhams, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Markhams, New York, USA
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