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April Weather in St. Sebastian, Austria

Last updated: August 22, 2025

In April, the average temperature in St. Sebastian, Austria hovers around 6°C (43°F), with a possible minimum of -11°C (13°F) and a maximum reaching up to 23°C (75°F). Expect about 82 mm (3.2 in) of precipitation spread over 13 days, and enjoy a relatively high average humidity of 73% during this time.

April Temperature in St. Sebastian

In April in St. Sebastian, the average temperature is 6°C (43°F). The maximum can reach 23°C (75°F), while the minimum can drop to as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling to St. Sebastian during this time.

April Weather in St. Sebastian: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in St. Sebastian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Sebastian, April typically has an average temperature of 6°C (43°F), with highs reaching up to 23°C (75°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec273135435061616254463729
Data source: Temperature data for St. Sebastian 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 St. Sebastian

In St. Sebastian in April, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

April Precipitation Trends in St. Sebastian

The chart displays monthly precipitation patterns in St. Sebastian, 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 St. Sebastian, April typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9268768217714016817813110073118
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in St. Sebastian

In St. Sebastian in April humidity is 73%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill enveloping you, making outdoor exploration damp and uncomfortable, while layer upon layer of clothing is necessary to stay warm and dry.

April Average Humidity in St. Sebastian

This chart illustrates the average monthly humidity levels in St. Sebastian, 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 St. Sebastian is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in St. Sebastian

In St. Sebastian in April, 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 St. Sebastian, you can refer to this Hourly UV Index in St. Sebastian.

Maximum UV Index Levels in St. Sebastian for April

The chart shows the monthly maximum UV Index (UVI) for St. Sebastian 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 St. Sebastian typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236689987432
Data source: St. Sebastian 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 St. Sebastian Compares to Other Months

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

This table compares monthly weather conditions in St. Sebastian, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)92 mm (3.6 inches)90%low
February Weather-1°C (31°F)68 mm (2.7 inches)84%moderate
March Weather2°C (35°F)76 mm (3.0 inches)78%high
April Weather6°C (43°F)82 mm (3.2 inches)73%high
May Weather10°C (51°F)177 mm (7.0 inches)71%very high
June Weather16°C (61°F)140 mm (5.5 inches)73%very high
July Weather16°C (62°F)168 mm (6.6 inches)70%very high
August Weather17°C (62°F)178 mm (7.0 inches)60%very high
September Weather12°C (54°F)131 mm (5.2 inches)65%high
October Weather8°C (46°F)100 mm (3.9 inches)84%moderate
November Weather3°C (37°F)73 mm (2.9 inches)89%moderate
December Weather-1°C (30°F)118 mm (4.6 inches)89%low

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