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
Cortland experiences a temperature shift at the start of December, with average high-temperatures adjusting from a fresh 51.4°F (10.8°C) in November to a cold 41.9°F (5.5°C). Cortland experiences an average low-temperature of 30.4°F (-0.9°C) in month of December.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In Cortland, Indiana, in December, it is raining for 11.2 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 163.7 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cortland are January through April, October through December. In Cortland, in December, during 7.2 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Cortland, there are 32.7 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 5:22 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:31 pm EST.
Sunshine
January and December, with an average of 4.1h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cortland, Indiana. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is December cold in Cortland?
What is the most humid month in Cortland?
What is the average humidity in December in Cortland?
How much does it rain in Cortland in December?
How many days does it snow in December in Cortland?
What is the month with the shortest days in Cortland?
What is the average length of the day in December in Cortland?
What time are sunrise and sunset in December in Cortland?
What are the months with the least sunshine in Cortland?
How long on average sun shines in December in Cortland?
What are the months with the lowest UV index in Cortland?
What is the UV index intensity in December in Cortland?
Average temperature in December
Cortland, IN
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Cortland, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cortland, IN
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Cortland, IN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cortland, IN
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Cortland, IN
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Cortland, IN
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cortland, IN
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (9 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
Cortland, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Cortland, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Cortland, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Cortland, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Cortland, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Cortland, Indiana, USA
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