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October Weather in Alster, Sweden

Last updated: August 27, 2025

In October, the average temperature in Alster, Sweden hovers around 8°C (46°F). While you might experience a chilly minimum of -4°C (26°F), the maximum can reach a pleasant 19°C (66°F). Be prepared for some wet days—expect about 85 mm (3.4 in) of precipitation over 13 days. With an average humidity of 91%, make sure to dress accordingly!

October Temperature in Alster

In October in Alster, the average temperature is 8°C (46°F). Maximum temperatures can reach 19°C (66°F), while minimums may drop as low as -4°C (26°F). Be prepared for a mix of mild days and chilly nights when traveling during this time.

October Weather in Alster: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Alster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alster, October typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec313035435262646154463832
Data source: Temperature data for Alster 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.

October Precipitation in Alster

In Alster in October, the total precipitation amount is 85 mm (3.4 in), which occurs over the span of 13 days.

October Precipitation Trends in Alster

The chart displays monthly precipitation patterns in Alster, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Alster, October typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec484749316460698678866874
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Alster

In Alster in October, humidity is 91%. With an average temperature of 8°C (46°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and leaving a chill that seeps into your bones, creating an atmosphere that is damp and heavy, perfect for cozy indoor explorations but challenging for leisurely travel.

October Average Humidity in Alster

This chart illustrates the average monthly humidity levels in Alster, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Alster is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Alster

In Alster in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Alster, you can visit Hourly UV Index in Alster.

Maximum UV Index Levels in Alster for October

The chart shows the monthly maximum UV Index (UVI) for Alster in October, 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 October, the maximum UV index in Alster typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Alster October 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 October Weather in Alster Compares to Other Months

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

This table compares monthly weather conditions in Alster, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)48 mm (1.9 inches)94%low
February Weather-1°C (30°F)47 mm (1.9 inches)92%low
March Weather2°C (35°F)49 mm (1.9 inches)89%moderate
April Weather6°C (43°F)31 mm (1.2 inches)81%moderate
May Weather11°C (53°F)64 mm (2.5 inches)72%moderate
June Weather17°C (63°F)60 mm (2.4 inches)68%high
July Weather18°C (65°F)69 mm (2.7 inches)70%high
August Weather16°C (62°F)86 mm (3.4 inches)77%moderate
September Weather12°C (54°F)78 mm (3.1 inches)86%moderate
October Weather8°C (46°F)85 mm (3.4 inches)91%low
November Weather3°C (38°F)68 mm (2.7 inches)93%low
December Weather0°C (32°F)74 mm (2.9 inches)94%low

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