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April Weather in Simitli, Bulgaria

Last updated: August 22, 2025

In Simitli, Bulgaria, the average temperature in April typically hovers around 10°C (51°F). However, temperatures can fluctuate between a chilly -5°C (23°F) and a warm 26°C (79°F). Expect some rain during your stay, with precipitation totaling about 64 mm (2.5 in) over 9 days, and enjoy the moderately high average humidity at 71%.

April Temperature in Simitli

In April in Simitli, the average temperature is 10°C (51°F). Maximums can reach 26°C (79°F) while minimums can drop as low as -5°C (23°F). This variability means travelers should be prepared for both warm and chilly days.

April Weather in Simitli: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Simitli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simitli, April typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec323943505966707264534537
Data source: Temperature data for Simitli 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.

April Precipitation in Simitli

In Simitli in April, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

April Precipitation Trends in Simitli

The chart displays monthly precipitation patterns in Simitli, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Simitli, April typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec635593655758372328545398
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Simitli

In Simitli in April, humidity is 71%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less inviting and requiring extra layers to stay comfortable while exploring.

April Average Humidity in Simitli

This chart illustrates the average monthly humidity levels in Simitli, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Simitli is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%83%81%71%74%63%60%47%57%76%85%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Simitli

In Simitli in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Simitli.

Maximum UV Index Levels in Simitli for April

The chart shows the monthly maximum UV Index (UVI) for Simitli in April, 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 April, the maximum UV index in Simitli typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101098642
Data source: Simitli April 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 April Weather in Simitli Compares to Other Months

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

This table compares monthly weather conditions in Simitli, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)63 mm (2.5 inches)88%low
February Weather4°C (39°F)55 mm (2.2 inches)83%moderate
March Weather6°C (43°F)93 mm (3.6 inches)81%high
April Weather10°C (51°F)64 mm (2.5 inches)71%very high
May Weather15°C (59°F)57 mm (2.3 inches)74%very high
June Weather19°C (66°F)58 mm (2.3 inches)63%very high
July Weather21°C (71°F)37 mm (1.4 inches)60%very high
August Weather22°C (72°F)23 mm (0.9 inches)47%very high
September Weather18°C (64°F)28 mm (1.1 inches)57%very high
October Weather12°C (54°F)54 mm (2.1 inches)76%high
November Weather7°C (46°F)53 mm (2.1 inches)85%moderate
December Weather3°C (38°F)98 mm (3.9 inches)87%low

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