December weather forecastSalix, IA
December
Weather in December
December, the first month of the winter in Salix, is also a subzero cold month, with an average temperature ranging between max 31.1°F (-0.5°C) and min 19°F (-7.2°C).Temperature
The drop of average high-temperatures is noticeable in December, with a decrease from a chilly 46.8°F (8.2°C) in November to a freezing cold 31.1°F (-0.5°C). The temperature lowers to an average of 19°F (-7.2°C) during December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Salix, during December, the rain falls for 3.2 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Salix, during the entire year, the rain falls for 102.3 days and collects up to 12.91" (328mm) of precipitation.Snowfall
Months with snowfall in Salix are January through April, October through December. In December, it is snowing for 7.3 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Salix, during the entire year, snow falls for 31.1 days and aggregates up to 6.85" (174mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:35 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:02 pm CST.
Sunshine
In Salix, the average sunshine in December is 4.8h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Salix, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Salix, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Salix, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Salix, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Salix, IA
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in December
Salix, IA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in December
Salix, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Salix, IA
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (8.2 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
Salix, IA
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Salix, IA
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Salix, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Salix, IA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Salix, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





