Temperatures in January
It's cold in January in Sliven with an average temperature of 7°C. Temperatures this month range from a low of 5°C to a high of 9°C. At night, you can expect temperatures between -5°C and 0°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Sliven in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Sliven with cold temperatures, averaging around 7°C during the day and nights close to -3°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-January
By mid-January, the average daytime temperature rises to around 8°C, with nights close to -3°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of January
By the end of January, the average daytime temperature in Sliven will be around 7°C, with nights close to -3°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in January
In January, there is an average of 48 mm of precipitation, spread over 8 days. Of the total precipitation, about 15 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 27% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Sliven. 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.
Sliven in January |
London | ||
|---|---|---|---|
 Average Temperature |
7°C | 8°C | |
 High Temp |
9°C | 9°C | |
| Low Temp |
5°C | 6°C | |
 Total Precipitation |
48 mm | 58 mm | |
| Rainy Days |
8 days | 9 days | |
 Total Snowfall |
15 cm | 0,8 cm | |
| Snowy Days |
7 days | 1 day | |
December
UV index
The UV index is a maximum of 4 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 Sliven in January
With 21°C, Sliven hit the highest temperature in the last 10 years in January 2023. The lowest daytime temperature in this month was -8°C in 2017. The extreme night temperatures ranged from a low of -23°C to a high of 14°C.
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Daily Temperature in January in Sliven
This chart shows the average daily temperatures, both day and night, for each day in January in Sliven, 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 January in Sliven
The chart below shows the average daily precipitation in January for Sliven, 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 January, you can expect around 8 days of rain in Sliven.
Daily Snowfall in January in Sliven
This chart shows the average daily snowfall in January in Sliven, 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 January.
Daily UV Index in January in Sliven
This chart shows the average daily UV index in January in Sliven, 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 January in Sliven Over the Years
This chart shows the average temperature in January in Sliven, measured in degrees Celsius, over the past years.
Total Precipitation in January in Sliven Over the Years
This chart shows the average precipitation in January in Sliven, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in Sliven per year
This chart shows the average snowfall in January in Sliven, measured in centimetres, over the past years.
Daily climate in January for Sliven
Click on a specific day in January for detailed info on the typical weather on that day in Sliven. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Sliven
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Average Weather in Sliven by Month
Click on a month below to see detailed weather info for Sliven. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
