December weather forecastJacobsburg, OH

December

Weather in December

The first month of the winter, December, is also an icy month in Jacobsburg, Ohio, with an average temperature varying between 39.7°F (4.3°C) and 28°F (-2.2°C).

Temperature

December's arrival comes with a decrease in the average high-temperature, moving from a frosty 49.1°F (9.5°C) in November to an icy 39.7°F (4.3°C). Throughout December nights, Jacobsburg experiences a consistent temperature average of 28°F (-2.2°C).

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Jacobsburg, in December, during 10.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Jacobsburg, during the entire year, the rain falls for 159.9 days and collects up to 22.99" (584mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Jacobsburg, Ohio, in December, snow falls for 11.6 days, with typically accumulated 3.15" (80mm) of snow. In Jacobsburg, during the entire year, snow falls for 55.5 days and aggregates up to 15.67" (398mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:08 pm EST.

Sunshine

In December, the average sunshine in Jacobsburg is 3.5h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 1 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature are 39.7°F (4.3°C) and 28°F (-2.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 87.8°F (31°C).

In December, the average relative humidity is 83%.

In Jacobsburg, in December, during 10.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

In December, it is snowing for 11.6 days. Throughout December, 3.15" (80mm) of snow is accumulated.

With an average of 9h and 24min of daylight, December has the shortest days of the year.

In Jacobsburg, the average day length in December is 9h and 23min.

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:08 pm EST.

In December, the average sunshine duration is 3.5h.

With an average maximum UV index of 1, December is the month with the lowest UV index.

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
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
Jacobsburg, OH

  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Jacobsburg, OH

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Jacobsburg, OH

  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Jacobsburg, OH

  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Jacobsburg, OH

  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in December
Jacobsburg, OH

  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Jacobsburg, OH

  • Average snowfall in December: 3.15"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Jacobsburg, OH

  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Jacobsburg, OH

  • Average daylight in December: 9h and 24min

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 30min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Jacobsburg, OH

  • Average sunshine days in December: 11.9 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in December
Jacobsburg, OH

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Jacobsburg, OH

  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Jacobsburg, OH

  • Average visibility in December: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).