December weather forecastHillsdale, MS

December

Weather in December

The first month of the winter, December, is still a comfortable month in Hillsdale, Mississippi, with an average temperature ranging between max 60.8°F (16°C) and min 44.6°F (7°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from an enjoyable 67.3°F (19.6°C) in November to a still comfortable 60.8°F (16°C). Throughout December nights, Hillsdale experiences a consistent temperature average of 44.6°F (7°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Hillsdale, during the entire year, the rain falls for 147.6 days and collects up to 16.65" (423mm) of precipitation.

Snowfall

Months with snowfall are January, February and December. The month with the most snowfall is December, when snow falls for 0.3 days and typically aggregates up to 0.16" (4mm) of snow.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of December in Hillsdale, sunrise is at 6:38 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:06 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.7h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 60.8°F (16°C) and the low-temperature is 44.6°F (7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 104°F (40°C).

With an average relative humidity of 80%, December is the most humid month.

The average relative humidity in December in Hillsdale is 80%.

In Hillsdale, during December, the rain falls for 10.1 days and regularly aggregates up to 1.22" (31mm) of precipitation.

December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.16" (4mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow.

The month with the shortest days is December, with an average of 10h and 12min of daylight.

In Hillsdale, the average day length in December is 10h and 11min.

On the first day of December, sunrise is at 6:38 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:06 pm CST.

December has the least sunshine of the year in Hillsdale, with an average of 4.7h of sunshine.

In Hillsdale, the average sunshine duration in December is 4.7h.

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hillsdale, MS

  • Average high temperature in December: 60.8°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (57.7°F).

  • Average low temperature in December: 44.6°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in December
Hillsdale, MS

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in December
Hillsdale, MS

  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.2mph).

Average humidity in December
Hillsdale, MS

  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Hillsdale, MS

  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is August (2.64").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in December
Hillsdale, MS

  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is August (20.5 days).
The month with the least rainy days is November (6.3 days).

Average snowfall in December
Hillsdale, MS

  • Average snowfall in December: 0.16"

The month with the highest snowfall is December (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Hillsdale, MS

  • Average snowfall days in December: 0.3 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Hillsdale, MS

  • Average daylight in December: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
Hillsdale, MS

  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in December
Hillsdale, MS

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Hillsdale, MS

  • Average cloud cover in December: 53

The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in December
Hillsdale, MS

  • Average visibility in December: 5mi

The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).