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United StatesThe weather in December in Ralston
It's cold in December in Ralston with an average temperature of 3°C. Temperatures this month range from a low of -3°C to a high of 7°C. At night, you can expect temperatures between -11°C and -3°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Ralston, Iowa. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 22°C in 2021, Ralston reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -21°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -28°C to a highest value of 10°C.
Precipitation and snowfall
In December, there is an average of 15 mm of precipitation, spread over 4 days. Of the total precipitation, about 8,6 cm falls as snow in December. The wind speed is around 5 Bft, mostly coming from the Southwest.
Daily weather in December for Ralston
Click on any day in December to get detailed info about the usual weather on that day in Ralston. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Ralston | New York | |
|---|---|---|
| Average temperature | 3°C | 9°C |
| Max. temperature | 7°C | 12°C |
| Min. temperature | -11°C | -5°C |
| Total precipitation | 15 mm | 133 mm |
| Rainy days | 4 days | 17 days |
| Total snowfall | 8,6 cm | 9,7 cm |
| Snowy days | 5 days | 3 days |
Start of December
The month of December starts in Ralston with cold temps, averaging around 5°C during the day and nights around -4°C.
Mid December
By mid-December, daytime temps drop to around 3°C, with nights around -5°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Ralston is around 1°C, while nighttime temps are about -7°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
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Temperature charts
These charts show the average temperatures in December in Ralston, Iowa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Ralston
Temperature in December in Ralston over the years
Precipitation charts
These charts show the average amount of precipitation in December in Ralston, Iowa. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Ralston
Total precipitation in December in Ralston over the years
Daily Snowfall in December in Ralston
Snowfall in December in Ralston per year
Daily UV index in December in Ralston
This chart shows the average daily UV index in December in Ralston, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Ralston
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Average weather in Ralston by month
Click on a month below to see detailed weather info for Ralston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.