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The weather in January in Waterbury

It's cold in January in Waterbury with an average temperature of 3°C. Temperatures this month range from a low of 0°C to a high of 8°C. At night, you can expect temperatures between -9°C and -2°C.

Looking for sun? January isn’t a good month to be in Waterbury. 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 January for Waterbury, Connecticut. 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 19°C in 2020, Waterbury reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -13°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -23°C to a highest value of 9°C.

Precipitation and snowfall

In January, there is an average of 100 mm of precipitation, spread over 13 days. Of the total precipitation, about 35 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in January for Waterbury

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

January weather comparison

  Waterbury New York
Average temperature 3°C 5°C
Max. temperature 8°C 11°C
Min. temperature -9°C -5°C
Total precipitation 100 mm 97 mm
Rainy days 13 days 12 days
Total snowfall 35 cm 16 cm
Snowy days 13 days 8 days

Start of January

The month of January starts in Waterbury with really cold temps, averaging around 3°C during the day and nights dipping to about -5°C.

Mid January

By mid-January, daytime temps rise to around 4°C, with nights around -4°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of January

By the end of January, the average daytime temperature in Waterbury is around 2°C, while nighttime temps are about -6°C. A shower might pop up, but overall, the weather will be dry and sunny.

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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.

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

Temperature charts

These charts show the average temperatures in January in Waterbury, Connecticut. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in Waterbury

Temperature in January in Waterbury over the years

Precipitation charts

These charts show the average amount of precipitation in January in Waterbury, Connecticut. 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 January in Waterbury

Total precipitation in January in Waterbury over the years

Daily Snowfall in January in Waterbury

Snowfall in January in Waterbury per year

Daily UV index in January in Waterbury

This chart shows the average daily UV index in January in Waterbury, 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 January in Waterbury

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Average weather in Waterbury by month

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