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United StatesThe weather in December in Alton
It's pleasantly warm in December in Alton with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 24°C. At night, you can expect temperatures between 5°C and 15°C.
Looking for sun? December isn’t a good month to be in Alton. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Alton, Florida. 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 30°C in 2015, Alton reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 3°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -6°C to a highest value of 22°C.
Rainfall amount
In December, there is an average of 119 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Alton
Click on any day in December to get detailed info about the usual weather on that day in Alton. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Alton | New York | |
|---|---|---|
| Average temperature | 21°C | 9°C |
| Max. temperature | 24°C | 12°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 119 mm | 133 mm |
| Rainy days | 13 days | 17 days |
Start of December
The month of December starts in Alton with warm temps, averaging around 22°C during the day and nights around 10°C.
Mid December
By mid-December, daytime temps drop to around 20°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Alton is around 21°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
The hurricane season in Alton runs from June to November.
Check out the climate of Alton for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Alton, Florida. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Alton
Temperature in December in Alton over the years
Precipitation charts
These charts show the average amount of precipitation in December in Alton, Florida. 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 Alton
Total precipitation in December in Alton over the years
Daily UV index in December in Alton
This chart shows the average daily UV index in December in Alton, 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 Alton
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Average weather in Alton by month
Click on a month below to see detailed weather info for Alton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.