December weather forecast
Salina, IA

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Weather in December

The first month of the winter, December, is also a wintry month in Salina, Iowa, with an average temperature fluctuating between 35.2°F (1.8°C) and 24.1°F (-4.4°C).

Temperature

In the transition to December, Salina observes a drop in the average high-temperature, moving from a frosty 47.7°F (8.7°C) in November to an icy 35.2°F (1.8°C). An average low-temperature of 24.1°F (-4.4°C) marks the month of December.

Humidity

The average relative humidity in December in Salina is 79%.

Rainfall

The months with the least rainfall are January and December Rain falls for 7.1 days and accumulates 1.18" (30mm) of rain.

Snowfall

January through April, October through December are months with snowfall. In Salina, in December, during 6.5 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Salina, during the entire year, snow falls for 32.1 days and aggregates up to 14.33" (364mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:49 pm CST.

Sunshine

The average sunshine in December is 4.5h.

UV index

In Salina, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 35.2°F (1.8°C) and a low-temperature of 24.1°F (-4.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

What is the driest month?

The months with the least rainfall are January and December Rain falls for 7.1 days and accumulates 1.18" (30mm) of rain.

How many days does it rain in December?

In December, the rain falls for 7.1 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

How much does it snow in December?

In Salina, in December, during 6.5 snowfall days, 1.65" (42mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Salina have in December?

In Salina, the average day length in December is 9h and 17min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:39 pm. On the last day of the month, in Salina, sunrise is at 7:32 am and sunset at 4:49 pm CST.

How many hours of sunshine does Salina have in December?

In Salina, Iowa, the average sunshine duration in December is 4.5h.

How high is the UV index in December?

In Salina, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Salina, IA

Average temperature in December - Salina, IA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in December
Salina, IA

Average pressure in December - Salina, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Salina, IA

Average wind speed in December - Salina, IA
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in December
Salina, IA

Average humidity in December - Salina, IA
  • Average humidity in December: 79%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Salina, IA

Average rainfall in December - Salina, IA
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").

Average rainfall days in December
Salina, IA

Average rainfall days in December - Salina, IA
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in December
Salina, IA

Average snowfall in December - Salina, IA
  • Average snowfall in December: 1.65"

The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Salina, IA

Average snowfall days in December - Salina, IA
  • Average snowfall days in December: 6.5 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 and September (0 days).

Average daylight in December /
Average sunshine in December
Salina, IA

Average daylight in December / Average sunshine in December - Salina, IA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Salina, IA

Average sunshine days in December - Salina, IA
  • Average sunshine days in December: 18 days

The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Salina, IA

Average UV index in December - Salina, IA
  • Average UV index in December: 2

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

Average cloud cover in December
Salina, IA

Average cloud cover in December - Salina, IA
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in December
Salina, IA

Average visibility in December - Salina, IA
  • Average visibility in December: 6mi

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

Salina, Iowa, USA

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