Normal weather for Castelli in December
It's cool in December in Castelli with an average temperature of 13°C. Temperatures this month range from a low of 10°C to a high of 15°C. At night, you can expect temperatures between 1°C and 6°C.
In December, there is an average of 34 mm of precipitation, spread over 7 days. Of the total precipitation, about 15 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southwest.
Castelli in December |
New York | ||
|---|---|---|---|
 Average Temperature |
13°C | 9°C | |
 High Temp |
15°C | 12°C | |
| Low Temp |
10°C | 4°C | |
 Total Precipitation |
34 mm | 133 mm | |
| Rainy Days |
7 days | 17 days | |
 Total Snowfall |
15 cm | 9,7 cm | |
| Snowy Days |
4 days | 3 days | |
Start of December
The month of December starts in Castelli with cool temps, averaging around 13°C during the day and nights around 5°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
Mid December
By mid-December, daytime temps stay steady at around 13°C, with nights around 4°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
End of December
By the end of December, the average daytime temperature in Castelli is around 13°C, while nighttime temps are about 3°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
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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.
Temperature records for Castelli in December
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Curious about the weather in other parts of Italy? Check out the climate and weather for spots like Tuscany, Sicily, Lake Garda, or explore other destinations in Italy.
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Daily Temperature in December in Castelli
This chart shows the average daily high and low temperatures in December for Castelli, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Castelli
The chart below shows the average daily precipitation in December for Castelli, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 7 days of precipitation in Castelli.
Daily Snowfall in December in Castelli
This chart shows the average daily snowfall in December in Castelli, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV Index in December in Castelli
This chart shows the average daily UV index in December in Castelli, 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.
Temperature in December in Castelli Over the Years
This chart shows the average temperature in December in Castelli, measured in degrees Celsius, over the past few years.
Total Precipitation in December in Castelli Over the Years
This chart shows the average precipitation in December in Castelli, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Castelli per year
This chart shows the average snowfall in December in Castelli, measured in centimeters, over the past few years.
Daily Climate in December for Castelli
Click on any day in December to get detailed info about the usual weather on that day in Castelli. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Castelli
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Average Weather in Castelli by Month
Click on a month below to see detailed weather info for Castelli. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
