December weather forecast
Trinway, OH

December

Weather in December

December, the first month of the winter in Trinway, is also an icy month, with an average temperature fluctuating between -1.8°C and 4.5°C.

Temperature

The onset of December brings a small change in high-temperatures, falling from a frosty 9.9°C in November to a cold 4.5°C. During the month of December, Trinway anticipates a mean low-temperature of -1.8°C.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In December, the rain falls for 9.7 days. Throughout December, 42mm of precipitation is accumulated. Throughout the year, there are 139.4 rainfall days, and 525mm of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 6.8 days. Throughout December, 39mm of snow is accumulated. Throughout the year, there are 35.8 snowfall days, and 242mm of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Trinway.
On the first day of December, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:12 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?
An average high-temperature, in December, in Trinway, is 4.5°C and the average low-temperature is -1.8°C. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 31°C.
What is the average humidity in December?
In December, the average relative humidity is 82%.
How many days does it rain in December?
In Trinway, during December, the rain falls for 9.7 days and regularly aggregates up to 42mm of precipitation.
How much does it snow in December?
In Trinway, in December, snow falls for 6.8 days, with typically accumulated 39mm of snow.
What is the month with the shortest days in Trinway?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
How many hours of daylight does Trinway have in December?
The average day length in December is 9h and 22min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:12 pm EST.
How long on average sun shines in December?
The average sunshine duration in December is 3.8h.
When is the lowest UV index?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
What is the UV index intensity in December?
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Trinway, OH
Average temperature in December
Trinway, OH
  • Average high temperature in December: 4.5°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in December: -1.8°C

The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure in December - Trinway, OH
Average pressure in December
Trinway, OH
  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is November (1020.6mbar).
The month with the lowest atmospheric pressure is June (1014mbar).

Average wind speed in December - Trinway, OH
Average wind speed in December
Trinway, OH
  • Average wind speed in December: 12.2km/h

The windiest month (with the highest average wind speed) is January (13.2km/h).
The calmest months (with the lowest average wind speed) are July and August (7.9km/h).

Average humidity in December - Trinway, OH
Average humidity in December
Trinway, OH
  • Average humidity in December: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December - Trinway, OH
Average rainfall in December
Trinway, OH
  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is May (56mm).
The driest months (with the least rainfall) are January and September (34mm).

Average rainfall days in December - Trinway, OH
Average rainfall days in December
Trinway, OH
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in December - Trinway, OH
Average snowfall in December
Trinway, OH
  • Average snowfall in December: 39mm

The month with the highest snowfall is February (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Trinway, OH
Average snowfall days in December
Trinway, OH
  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Trinway, OH
Average daylight in December /
Average sunshine in December
Trinway, OH
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December - Trinway, OH
Average sunshine days in December
Trinway, OH
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December - Trinway, OH
Average UV index in December
Trinway, OH
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December - Trinway, OH
Average cloud cover in December
Trinway, OH
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December - Trinway, OH
Average visibility in December
Trinway, OH
  • Average visibility in December: 9km

The months with the highest visibility are March, April, October, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August and September (8km).

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