Sliven weather and climate in 2024
Day
5 °C
Night
-2 °C
Sea
0 °C
Precipitation
42 mm
in month
Rainy days
7 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
82 %
Day
5 °C
Night
-2 °C
Sea
0 °C
Precipitation
42 mm
in month
Rainy days
7 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
82 %
Overview: Sliven
Weather charts for Sliven
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Sliven
Weather overview
Sliven (Bulgaria) in general has a mild continental climate. The day temperatures range from 5 °C (41 °F) in January to 29 °C (84 °F) in July. The driest month is September with just 5 days of rain, on the contrary, the month when it rains the most is May with 10 days of rain. Temperatures during the night go from -2 °C (29 °F) in January to 17 °C (62 °F) in July.
January weather
The rainfall amount descent's start could be observed in Sliven. The day temperature is on its minimum, with its value being 5 °C (41 °F), and the night temperature is on its minimum too, with its value of -2 °C (29 °F). The number of sun hours (without clouds) starts to rise in January.
February weather
The number of rainy days starts to descent, its value is 6 days in Sliven. The day temperature starts to rise in this month. The rise of the number of sun hours (without clouds) can be observed, its value is 4 hours.
March weather
The day temperature continues to rise, with its value being 11 °C (52 °F) in Sliven, while the night temperature starts to rise, with its value being 2 °C (35 °F). The number of rainy days rise's start could be observed in this month. The wind speed is on its maximum in this month. The rise of the number of sun hours (without clouds) can be observed.
April weather
The number of rainy days continues to rise, with its value of 8 days in Sliven. The day temperature continues to rise, with its value being 16 °C (62 °F), and the rise of the night temperature can be observed as well, with its value of 6 °C (42 °F). The number of sun hours (without clouds) rises similarly to the previous month, its value is 6 hours.
May weather
The day temperature rises similarly to the previous month, its value is 22 °C (72 °F) in Sliven, and the rise of the night temperature can be observed as well, the value of this measure is 10 °C (51 °F). The tourist season is about to start. The rainfall amount rise's start could be observed, with its value being 59 mm (2.31 in), while the maximum of the number of rainy days is observable in this month. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 8 hours.
June weather
The rise of the day temperature can be observed, with its value of 26 °C (79 °F) in Sliven, and the night temperature rises similarly to the previous month as well, the value of this measure is 14 °C (58 °F). The beginning of the descent of the number of rainy days could be noticed, its value is 9 days, while the maximum of the rainfall amount can be noticed, with its value being 65 mm (2.54 in). There is pending tourist season. The day length is on its maximum, with its value being 15 hours.
July weather
The day temperature is on its maximum, its value is 29 °C (84 °F) in Sliven, and the night temperature reaches its maximum too in this month. There is pending tourist season. The rainfall amount starts to descent, the value of this measure is 52 mm (2.05 in), while the number of rainy days continues to descent, with its value being 7 days. The number of sun hours (without clouds) is on its maximum, its value is 10 hours.
August weather
The ongoing tourist season is noticeable in Sliven, while the dry season is at its beginning. The number of rainy days continues to descent, with its value being 5 days, while the minimum of the rainfall amount can be noticed, with its value of 39 mm (1.53 in). The number of sun hours (without clouds) starts to descent in this month.
September weather
The day temperature descent's start could be observed, the value of this measure is 24 °C (75 °F) in Sliven, and the beginning of the descent of the night temperature could be noticed as well, with its value of 12 °C (53 °F). The minimum of the number of rainy days is observable, with its value being 5 days, while the rainfall amount starts to rise, with its value of 46 mm (1.82 in). The tourist season is taking place, and the dry season is close to its peak too.
October weather
The day temperature continues to descent in Sliven, and the night temperature continues to descent as well. The number of rainy days rise's start could be observed in October. There is pending tourist season. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 6 hours. The minimum of the wind speed can be noticed in October.
November weather
The day temperature continues to descent, with its value being 12 °C (53 °F) in Sliven, and the night temperature descents similarly to the previous month as well, its value is 4 °C (38 °F). The rise of the number of rainy days can be observed, with its value of 6 days, while the rainfall amount starts to rise, with its value being 54 mm (2.13 in). The descent of the number of sun hours (without clouds) can be observed, with its value being 4 hours.
December weather
The number of rainy days rises similarly to the previous month, its value is 7 days in Sliven. The night temperature continues to descent, with its value of 0 °C (32 °F), and the day temperature continues to descent too, with its value being 6 °C (44 °F). The minimum of the number of sun hours (without clouds) can be noticed, with its value of 3 hours. The humidity is on its maximum, with its value being 83 %. The day length reaches its minimum, the value of this measure is 9 hours.
FAQs
What is the humidity in March in Sliven?
Humidity in March in Sliven is 76 %.
How windy is it in Sliven in April?
In April in Sliven, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
What is the night temperature in Sliven in May?
The average night temperature in Sliven in May is 10 °C (51 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold. This indicator is higher by 5 °C (41 °F) than in the previous month.
How many days of precipitation on average can I expect in June in Sliven?
There are 9 days, which are rainy in Sliven in June, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.1 days of the week, or in general - 30 % days.
Are there good conditions to visit in Sliven in July?
July is a good month to visit Sliven. The daily temperatures in this month reach pleasant 29 °C (84 °F). There are only 7 days of rain in the whole month, so you can leave your umbrella at home. The temperature of 17 °C (62 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is it hot in August in Sliven?
In August in Sliven, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What temperature can I expect during the day in September in Sliven?
The average daily temperature in Sliven in September is 24 °C (75 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. This is a decrease of 5 °C (41 °F) compared to the last month. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
Is October part of the wet season in Sliven?
No, there is no wet season in October in Sliven - you can expect 5 days of rain during the month.
How many sunny hours can I expect in November in Sliven?
There is an average length of sunshine of 4 hours per day in November in Sliven. This is a decrease of 2 hours compared to the last month. That means a 37 % decrease in the value.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.