Temperatures in December
It's cool in December in Hartford with an average temperature of 11°C. Temperatures this month range from a low of 8°C to a high of 14°C. At night, you can expect temperatures between -2°C and 5°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Hartford in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Hartford with cool temperatures, averaging around 12°C during the day and nights close to 3°C. Plenty of days with a chance of precipitation.
Mid-December
By mid-December, the average daytime temperature drops to around 11°C, with nights close to 1°C. The chance of precipitation is high during this period.
End of December
By the end of December, the average daytime temperature in Hartford will be around 13°C, with nights close to 3°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in December
In December, there is an average of 170 mm of precipitation, spread over 11 days. Of the total precipitation, about 6,7 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 34% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Hartford. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Hartford in December |
London | ||
|---|---|---|---|
 Average Temperature |
11°C | 9°C | |
 High Temp |
14°C | 11°C | |
| Low Temp |
8°C | 8°C | |
 Total Precipitation |
170 mm | 67 mm | |
| Rainy Days |
11 days | 10 days | |
 Total Snowfall |
6,7 cm | 1,2 cm | |
| Snowy Days |
3 days | 1 day | |
November
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.
Is December a good time to visit Hartford?
After some sun? Then December isn’t the best time to be in Hartford. There’s too much chance of rain this month.
Temperature records for Hartford in December
With 24°C, Hartford hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was -6°C in 2022. The extreme night temperatures ranged from a low of -17°C to a high of 17°C.
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Daily Temperature in December in Hartford
This chart shows the average daily temperatures, both day and night, for each day in December in Hartford, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Hartford
The chart below shows the average daily precipitation in December for Hartford, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 11 days of rain in Hartford.
Daily Snowfall in December in Hartford
This chart shows the average daily snowfall in December in Hartford, measured in centimetres. 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 Hartford
This chart shows the average daily UV index in December in Hartford, 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 Hartford Over the Years
This chart shows the average temperature in December in Hartford, measured in degrees Celsius, over the past years.
Total Precipitation in December in Hartford Over the Years
This chart shows the average precipitation in December in Hartford, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in December in Hartford per year
This chart shows the average snowfall in December in Hartford, measured in centimetres, over the past years.
Daily climate in December for Hartford
Click on a specific day in December for detailed info on the typical weather on that day in Hartford. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Hartford
Have you been to Hartford in December?
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Average Weather in Hartford by Month
Click on a month below to see detailed weather info for Hartford. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
