Best year time to visit Sliven

General weather information about Sliven

Average annual temperature is 14.0 °C

Absolute maximum temperature: 37.0 °C

Absolute minimum temperature: -6.2 °C

Number of sunny days: 174 days

Number of rainy days: 183 days

Number of snow days: 8 days

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* Weather data for Sliven Bulgaria is based on climate observations for 2026 year

Sliven air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.918.818.519.723.330.437.035.132.527.021.916.2
Average daytime temperature (°C)8.88.612.114.719.625.530.830.726.622.313.69.9
Average temperature (°C)6.04.37.810.315.120.325.024.720.916.99.66.5
Average night temperature (°C)3.50.93.76.511.215.419.119.515.812.26.13.3
Absolute minimum temperature (°C)-3.8-6.2-0.72.06.011.314.814.510.15.8-2.2-2.1

Sliven monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.511.913.414.615.315.013.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.97.47.88.310.912.813.312.110.89.35.65.5
Precipitation (mm)116244511462634837181816074
Sunny days12191251012121720221221
Rainy days167182521181914109179
Snow days321000000011

Sliven - weather forecast by months

Sliven weather in januarySliven weather in februarySliven weather in marchSliven weather in aprilSliven weather in maySliven weather in juneSliven weather in julySliven weather in augustSliven weather in septemberSliven weather in octoberSliven weather in novemberSliven weather in december

Best time to visit Sliven:

The best time to visit Sliven during the most sunny months:

  • June — 12.8(h)
  • July — 13.3(h)
  • August — 12.1(h)

Months with the longest average daylight duration in Sliven:

  • June — 15.3(h)

The largest precipitation sum in Sliven is at

  • January — 116(mm)
  • April — 114(mm)
  • November — 160(mm)

    • Weather forecast in the closest to Sliven admin centers

    Weather forecast in the closest towns to Sliven

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    Frequently asked questions

    When is the best time to visit Sliven?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Sliven.
    What is the weather like in Sliven?
    See average temperature, rainfall and daylight hours for Sliven by month in the table above.
    How many sunny days does Sliven have?
    The monthly weather statistics above show sunshine and rainfall patterns for Sliven throughout the year.