December Weather in Spiez, Switzerland

Last updated: August 27, 2025

December in Spiez, Switzerland presents a chilly yet picturesque winter landscape, with temperatures fluctuating from a maximum of 9°C (49°F) to a minimum of -13°C (8°F), and an average hovering around -2°C (29°F). The month experiences substantial precipitation, totaling 175 mm (6.9 in) over approximately 17 days, contributing to the region's high humidity levels at 90%. This combination of cold temperatures and frequent moisture creates a mesmerizing atmosphere, perfect for those who appreciate the tranquil beauty of a Swiss winter.

December Temperature in Spiez

In December, Spiez, Switzerland, finds itself firmly nestled in the grips of winter, with temperatures reflecting the chill of the season. The month opens with a minimum of around -13°C (8°F), gradually edging towards a maximum of 9°C (49°F), making it one of the cooler months of the year. The average temperature hovers at -2°C (29°F), setting a brisk tone as snow often blankets the picturesque landscape. This trend of dropping temperatures from the milder months of fall is evident, as December marks a significant shift towards the heart of winter, inviting both outdoor winter sports enthusiasts and those seeking a cozy retreat against the frosty backdrop. As daylight diminishes, the crisp air and serene environment make December a beautiful, if brisk, month in Spiez, perfect for enjoying the majestic Alpine scenery.

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

The chart illustrates December temperature patterns in Spiez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spiez, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec263035414857605953453529
Data source: Temperature data for Spiez 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 Spiez

In December, Spiez, Switzerland, experiences a notable increase in precipitation, with 175 mm (6.9 in) of rain falling over 17 days. This pattern reflects a transition into the winter months, where the total precipitation is among the highest for the year, surpassed only by the summer months of June and July, which boast even heavier rainfall. The frequent damp days serve as a reminder of the region’s shift toward cooler, wetter weather, paving the way for the beautiful Alpine snow that follows. The consistent precipitation in December contributes to Spiez's lush landscapes, making it a picturesque winter wonderland as the year comes to a close.

December Precipitation Trends in Spiez

The chart displays monthly precipitation patterns in Spiez, 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 Spiez, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1231031259418222521920312413897175
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Spiez

In Spiez, Switzerland, December brings a notable shift in humidity levels, maintaining a high rate of 90% similar to the preceding month of October. This consistency at the year's end contrasts with the gradual decline seen throughout the spring and summer, where humidity dipped to its lowest in May at 80%. As the seasons change, a slight uptick in humidity is observed once more in November, setting the stage for the cold, damp winter months. The persistent humidity in December contributes to the serene, misty charm that characterizes the landscape of Spiez during this time, inviting visitors to experience its tranquil beauty, even as the air feels heavier and cooler.

December Average Humidity in Spiez

This chart illustrates the average monthly humidity levels in Spiez, 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 Spiez is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Spiez

In December, Spiez experiences a low UV Index of 2, indicating minimal risk for sunburn with a burn time of approximately 45 minutes. This marks a significant decrease from the summer months, where the UV Index peaked at 10 in June and July, categorizing exposure as very high with much shorter burn times. As winter settles in, the UV levels remain considerably lower, allowing residents and visitors to enjoy outdoor activities with less concern for sun damage. Those planning to soak up any December sunshine can feel safe knowing they have ample time to enjoy the outdoors without the harsh effects of UV radiation. For detailed information, visit Spiez UV Index.

Maximum UV Index Levels in Spiez for December

The chart shows the monthly maximum UV Index (UVI) for Spiez 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 Spiez typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Spiez 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.

December Sunshine in Spiez

In Spiez, Switzerland, the month of December sees a remarkable shift in daylight, receiving approximately 195 hours of sunshine. This marks a gentle decline as the year winds down, following a steady increase from the darker winter months of January and February, which log 169 and 229 hours respectively. As the spring unfolds, hours of sunlight peak in the summer, with July basking in an impressive 416 hours. However, as the days grow shorter leading into December, the sunshine begins to taper off, showcasing a natural ebb and flow that characterizes the region's climate. This cyclical trend highlights not just the charm of winter in Spiez, but also the promise of longer, brighter days that lie ahead.

Monthly Sunshine Duration in Spiez: December Highlighted

The December sunshine duration represents the total number of hours Spiez experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec169h229h299h356h361h386h416h384h322h285h230h195h
Data source: Spiez December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Spiez During December

In December, Spiez, Switzerland, enjoys a 41% chance of sunny weather, which marks a slight increase compared to the preceding months, especially November's 35%. As the year winds down, the likelihood of sunshine in December hints at a trend of shifting weather patterns, where this winter month presents a more favorable opportunity for glimpses of sunlight. This figure, though lower than the spring and early autumn months like April (48%) and October (43%), still offers a reasonable expectation for those seeking to experience Spiez's picturesque winter landscape under clear blue skies, illustrating that even in the depths of winter, nature can surprise us with moments of brightness.

Percentage of Sunny Days in December in Spiez

The chart illustrates the percentage of sunny days in Spiez throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Spiez experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%44%48%31%33%34%38%38%43%35%41%
Data source: Spiez December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Spiez in December

As December settles in Spiez, Switzerland, the days grow noticeably shorter, with daylight lasting only eight hours. This month marks the low point of the year, following a gradual decline from the longest days in June. The shift from fifteen hours of sunlight during summer to the scant eight hours of mid-winter starkly illustrates the seasonal transition. In contrast, January and February see only marginal increases, hinting at a slow return to longer days. The progression from November's nine hours to December's twilight creates a cozy atmosphere, perfect for embracing winter activities and festivities while eagerly anticipating the gradual return of sunlight in the months ahead.

Average Daylight Hours in Spiez for December

The chart illustrates the variation in daylight duration in Spiez throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 18m11h 56m13h 36m15h 2m15h 46m15h 22m14h 6m12h 30m10h 50m9h 22m8h 36m
Data source: Spiez daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Spiez

As December rolls into Spiez, Switzerland, the chill of winter begins to weave through the air, accompanied by an average wind speed of 1.7 m/s (4 mph). This slight uptick in wind velocity from November reflects a subtle seasonal shift, as the final month of the year tends to feel crisper and more invigorating. In fact, December joins February as one of the few months where the average wind speed reaches the 4 mph mark, creating a refreshing atmosphere that invigorates residents and visitors alike. Overall, the trend shows that while most months hover around a gentle breeze of 1.5 m/s or below, December stands out as a reminder of the brisk energy of winter days in this picturesque Swiss locale.

Average December Wind Speed in Spiez

The chart displays monthly wind speed patterns in Spiez, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.51.51.61.31.41.31.31.51.51.7 m/s
Data source: Spiez December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Spiez Compares to Other Months

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

December and January present contrasting yet similarly chilly weather patterns. In December, temperatures range from a minimum of -13°C (8°F) to a maximum of 9°C (49°F), with an average of -2°C (29°F). The month sees significant precipitation, totaling 175 mm (6.9 in) over 17 days, while humidity hovers around a high 90%. In contrast, January tends to be colder, featuring a minimum of -19°C (-1°F) and an average of -3°C (26°F), although the maximum stays consistent at 9°C (48°F). Precipitation decreases to 123 mm (4.9 in) spread across 12 days, with humidity slightly higher at 92%. For detailed insights about January weather, you can check Spiez weather in January.

December and February each showcase distinct winter characteristics, but both bring chilly temperatures and considerable precipitation. In December, temperatures range from a minimum of -13°C (8°F) to a maximum of 9°C (49°F), with an average of -2°C (29°F). The month sees an average of 175 mm (6.9 in) of precipitation over 17 days, and humidity remains high at 90%. In contrast, February experiences slightly colder conditions, with minimum temperatures dropping to -18°C (-1°F) and maximum temperatures rising to 14°C (58°F), yielding an average of -1°C (31°F). Precipitation decreases to 103 mm (4.0 in) across 11 days, while humidity remains similarly high at 89%. For those looking to explore the weather specifics of this month, you can check out Spiez weather in February.

December and March present contrasting weather conditions. In December, temperatures range from a chilly -13°C (8°F) at night to a milder maximum of 9°C (49°F) during the day, with an average around -2°C (29°F). Precipitation is relatively high at 175 mm (6.9 in), occurring on 17 days, and humidity remains elevated at 90%. In comparison, March experiences a broader temperature fluctuation, with lows of -23°C (-9°F) and highs reaching up to 16°C (60°F), resulting in an average of 2°C (36°F). This month sees less precipitation at 125 mm (4.9 in) over 15 days and slightly lower humidity at 87%. For more detailed information on weather trends, you can visit Spiez weather in March.

December weather is characterized by notably colder temperatures, with a minimum reaching as low as -13°C (8°F) and an average of -2°C (29°F). The month sees quite a bit of precipitation, accumulating to about 175 mm (6.9 in) over 17 days, alongside high humidity levels at 90%. In contrast, April brings a noticeable warming trend, with minimum temperatures around -12°C (10°F) and an average of 5°C (42°F), peaking at 19°C (67°F). April experiences less rainfall, with 94 mm (3.7 in) of precipitation over only 12 days and slightly lower humidity at 84%. This shift indicates a transition from the cold, damp conditions of December to the milder and sunnier days of spring. For more detailed insights on April weather, visit Spiez weather in April.

December and May present stark contrasts in weather. In December, temperatures can drop as low as -13°C (8°F), with an average of -2°C (29°F) and a maximum of 9°C (49°F). The month is characterized by high humidity at 90% and considerable precipitation of 175 mm (6.9 in) over 17 days. In contrast, May showcases a transition to warmer weather, with temperatures ranging from a minimum of -7°C (20°F) to an average of 9°C (48°F) and a peak of 25°C (78°F). Although May sees slightly higher precipitation at 182 mm (7.2 in) across 19 days, the overall humidity is lower at 80%. For more details on the weather in Spiez during this month, you can check Spiez weather in May.

In December, temperatures can plummet to a minimum of -13°C (8°F), with an average of -2°C (29°F) and a maximum of 9°C (49°F), creating a chilly atmosphere characterized by high humidity at 90%. Precipitation is notable, with 175 mm (6.9 in) spread over 17 days, often resulting in snowy conditions. In sharp contrast, June brings a refreshing warmth, with minimum temperatures around 1°C (34°F) and an average of 14°C (57°F), peaking at a pleasant 29°C (85°F). Although June experiences slightly more precipitation at 225 mm (8.9 in) over 18 days, the overall humidity is lower at 82%, contributing to a more comfortable feel. For a closer look at June's delightful weather specifics, check out Spiez weather in June.

December and July present strikingly different weather patterns. December's temperatures can plummet to a minimum of -13°C (8°F), with an average of -2°C (29°F) and a maximum of 9°C (49°F), indicative of a cold, wintry climate. In contrast, July boasts a much warmer range, with temperatures starting at a minimum of 5°C (41°F), averaging 15°C (60°F), and reaching up to 29°C (84°F). While both months experience substantial precipitation—175 mm (6.9 in) in December and 219 mm (8.6 in) in July—the humidity remains relatively high in both months, at 90% in December and 83% in July. For a closer look at July's weather, you can visit Spiez weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -13°C (8°F), with an average of -2°C (29°F) and a maximum reaching only 9°C (49°F), creating a chilly atmosphere. The month is characterized by high humidity at 90% and considerable precipitation, totaling 175 mm (6.9 in) over 17 days. Conversely, August boasts a much milder climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), averaging around 15°C (59°F). Although August experiences slightly higher precipitation at 203 mm (8.0 in) over 18 days, the humidity is lower at 80%. For more specifics on the conditions in August, visit Spiez weather in August.

December and September present stark contrasts in weather patterns. December is characterized by much colder temperatures, with minimums plunging to -13°C (8°F) and an average around -2°C (29°F), while September enjoys milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 23°C (73°F). Additionally, December experiences more significant precipitation, averaging 175 mm (6.9 in) across 17 days, compared to September's 124 mm (4.9 in) over 14 days. Humidity levels are also higher in December at 90%, in contrast to September's 83%. For a more detailed look at September's climate, visit Spiez weather in September.

December and October present quite contrasting weather conditions. In December, temperatures reach a minimum of -13°C (8°F) and can average around -2°C (29°F), while peaking at a maximum of 9°C (49°F). The month also experiences significant precipitation, totaling 175 mm (6.9 in) over 17 days. In comparison, October boasts milder temperatures with a minimum of -4°C (26°F), an average of 7°C (45°F), and a maximum of 19°C (67°F). Precipitation in October is slightly lower at 138 mm (5.4 in) across 13 days. Both months share high humidity levels at 90%, but October offers warmer and less severe weather overall. For more specific insights into October's climate, you can check out Spiez weather in October.

In comparing the weather of December to November, December is notably colder, with average temperatures hovering around -2°C (29°F) compared to November's milder average of 2°C (35°F). The minimum temperatures drop further in December to -13°C (8°F), while November experiences a slightly higher minimum of -10°C (13°F). Additionally, December sees significantly more precipitation, with 175 mm (6.9 in) over 17 days, compared to November's 97 mm (3.8 in) over 13 days. Humidity levels are similar, with December at 90% and November at 88%, but the overall chill and increased precipitation in December create a distinctly wintry atmosphere. For more detailed insights, check out Spiez weather in November.

Compare Spiez's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Spiez

As December settles in, Spiez transforms into a winter wonderland where temperatures dip significantly compared to the milder months. The average chill in the air, accompanied by frequent precipitation, creates a cozy, albeit damp, atmosphere. With about half the days experiencing rain or snow, the high humidity level adds to the seasonal ambiance, making it the wettest month of the year. This combination of cool temperatures and persistent precipitation sets December apart from other months, offering a unique charm that invites visitors to enjoy the magic of winter in this picturesque Swiss town. For more details on the weather patterns, check out Spiez Climate.