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December Weather in Erlach, Switzerland

Last updated: August 27, 2025

In Erlach, Switzerland, the average temperature in December hovers around 2°C (35°F). During this time, temperatures can dip as low as -8°C (17°F) or rise to a balmy 12°C (54°F). Expect a fair amount of precipitation with an average of 158 mm (6.2 in) over 19 days, and don’t forget the high humidity, which sits at a steamy 91%.

December Temperature in Erlach

In December in Erlach, the average temperature is 2°C (35°F). Maximum temperatures can reach 12°C (54°F), while minimums can drop as low as -8°C (17°F). Travelers should prepare for chilly weather and pack accordingly to enjoy their time in Erlach.

December Weather in Erlach: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Erlach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erlach, December typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641485463656458494035
Data source: Temperature data for Erlach 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.

December Precipitation in Erlach

In Erlach in December, the total precipitation amount is 158 mm (6.2 in) over the course of 19 days.

December Precipitation Trends in Erlach

The chart displays monthly precipitation patterns in Erlach, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Erlach, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec10987114651591351451308410890158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Erlach

In Erlach in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

December Average Humidity in Erlach

This chart illustrates the average monthly humidity levels in Erlach, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Erlach is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Erlach

In Erlach in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Erlach.

Maximum UV Index Levels in Erlach for December

The chart shows the monthly maximum UV Index (UVI) for Erlach in December, 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 December, the maximum UV index in Erlach typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Erlach December 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 December Weather in Erlach Compares to Other Months

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

This table compares monthly weather conditions in Erlach, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)109 mm (4.3 inches)91%low
February Weather2°C (37°F)87 mm (3.4 inches)89%moderate
March Weather5°C (41°F)114 mm (4.5 inches)87%moderate
April Weather9°C (48°F)65 mm (2.6 inches)84%high
May Weather12°C (54°F)159 mm (6.3 inches)80%very high
June Weather17°C (63°F)135 mm (5.3 inches)82%very high
July Weather18°C (66°F)145 mm (5.7 inches)82%very high
August Weather18°C (65°F)130 mm (5.1 inches)77%very high
September Weather14°C (58°F)83 mm (3.3 inches)81%high
October Weather10°C (50°F)108 mm (4.3 inches)89%moderate
November Weather4°C (40°F)90 mm (3.5 inches)89%low
December Weather2°C (35°F)158 mm (6.2 inches)91%low

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