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March Weather in Sliven, Bulgaria

Last updated: August 22, 2025

In March, the average temperature in Sliven, Bulgaria hovers around 5°C (42°F), with a minimum dipping to -17°C (1°F) and a maximum reaching 20°C (69°F). Expect 75 mm (2.9 in) of precipitation over approximately 11 days, contributing to an average humidity level of 81%. Prepare for a mix of chilly days and occasional warmth!

March Temperature in Sliven

In March in Sliven, the average temperature is 5°C (42°F). Maximums can reach 20°C (69°F) and minimums can be as low as -17°C (1°F). It's advisable to pack layers and prepare for a range of weather conditions if you're planning to travel during this time.

March Weather in Sliven: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Sliven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sliven, March typically has an average temperature of 5°C (42°F), with highs reaching up to 20°C (69°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec333842506067717365554638
Data source: Temperature data for Sliven generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Sliven

In Sliven in March, the precipitation amount is 75 mm (2.9 in) over the course of 11 days.

March Precipitation Trends in Sliven

The chart displays monthly precipitation patterns in Sliven, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Sliven, March typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5456755891150823629705989
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Sliven

In Sliven in March, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

March Average Humidity in Sliven

This chart illustrates the average monthly humidity levels in Sliven, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Sliven is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Sliven

In Sliven in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sliven, you can refer to this Hourly UV Index in Sliven.

Maximum UV Index Levels in Sliven for March

The chart shows the monthly maximum UV Index (UVI) for Sliven in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Sliven typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Sliven March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Sliven Compares to Other Months

Weather in Sliven varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Sliven, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sliven, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)54 mm (2.1 inches)88%low
February Weather3°C (38°F)55 mm (2.2 inches)84%moderate
March Weather5°C (42°F)75 mm (2.9 inches)81%high
April Weather10°C (50°F)58 mm (2.3 inches)70%very high
May Weather15°C (60°F)91 mm (3.6 inches)72%very high
June Weather19°C (67°F)150 mm (5.9 inches)66%very high
July Weather22°C (72°F)82 mm (3.2 inches)62%very high
August Weather23°C (73°F)36 mm (1.4 inches)48%very high
September Weather18°C (65°F)29 mm (1.2 inches)58%high
October Weather13°C (55°F)70 mm (2.7 inches)78%high
November Weather8°C (46°F)59 mm (2.3 inches)85%moderate
December Weather3°C (38°F)89 mm (3.5 inches)87%low

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