The weather in December in Winchester

It's cold in December in Winchester with an average temperature of 7°C. Temperatures this month range from a low of 3°C to a high of 9°C. At night, you can expect temperatures between -4°C and 2°C.

Looking for sun? December isn’t a good month to be in Winchester. There’s too much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Winchester, Massachusetts. 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 21°C in 2015, Winchester reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -12°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -21°C to a highest value of 10°C.

Precipitation and snowfall

In December, there is an average of 140 mm of precipitation, spread over 17 days. Of the total precipitation, about 16 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in December for Winchester

Click on any day in December to get detailed info about the usual weather on that day in Winchester. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Winchester New York
Average temperature 7°C 9°C
Max. temperature 9°C 12°C
Min. temperature -4°C -5°C
Total precipitation 140 mm 133 mm
Rainy days 17 days 17 days
Total snowfall 16 cm 9,7 cm
Snowy days 6 days 3 days

Start of December

The month of December starts in Winchester with cold temps, averaging around 8°C during the day and nights around 0°C.

Mid December

By mid-December, daytime temps drop to around 7°C, with nights around 0°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 Winchester is around 7°C, while nighttime temps are about 0°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 1 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.

Check out the climate of Winchester for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Winchester, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Winchester

Temperature in December in Winchester over the years

Precipitation charts

These charts show the average amount of precipitation in December in Winchester, Massachusetts. 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 Winchester

Total precipitation in December in Winchester over the years

Daily Snowfall in December in Winchester

Snowfall in December in Winchester per year

Daily UV index in December in Winchester

This chart shows the average daily UV index in December in Winchester, 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 Winchester

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Average weather in Winchester by month

Click on a month below to see detailed weather info for Winchester. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.