Last updated: August 27, 2025
December in Nyon, Switzerland ushers in a chill that captivates with its crisp air and winter charm. With temperatures fluctuating between a maximum of 12°C (55°F) and a minimum of -5°C (24°F), the month offers a broad spectrum of winter experiences. The average temperature hovers around a cool 3°C (38°F), perfect for cozy gatherings. However, residents should brace for the wet weather, as 213 mm (8.4 in) of precipitation falls over 19 days, contributing to the region’s characteristic 91% humidity. As the landscape transforms under blankets of frost, Nyon's December days are textured by the interplay of crisp skies and the gentle embrace of winter rains.
As December settles over Nyon, Switzerland, residents can expect a gradual embrace of winter’s chill. With temperatures ranging from a minimum of -5°C (24°F) to a maximum of 12°C (55°F), the month typically sees an average temperature of around 3°C (38°F). This is a slight drop compared to November, where temperatures hovered around 6°C (43°F). The crisp air invites cozy moments indoors, while the scenic landscape often dusted with frost holds a serene beauty that draws visitors and locals alike to enjoy winter walks. December sets the stage for the chilly embrace of the New Year, making it a month that transitions Nyon into its winter wonderland.
December in Nyon, Switzerland, marks the peak of the winter precipitation season, with an impressive 213 mm (8.4 in) of rainfall recorded over 19 days. This notable increase in precipitation signifies a sharp contrast to the milder months preceding it, with December standing out as the wettest month of the year. While rainfall in earlier months like May averages 163 mm and records numerous precipitation days, December's combination of volume and frequency underscores a shift to heavier winter weather. The consistent pattern of wet days throughout the month not only enhances the lush landscapes typical of Nyon but also prepares the region for the colder months ahead, emphasizing its climatic transition into winter.
In December, Nyon, Switzerland experiences a return to its chilly and humid roots, with humidity levels climbing back to a notable 91%. This reflects a seasonal trend, as the year begins with humidity peaking at 91% in January, indicating a consistent pattern of elevated moisture during the winter months. Following a gradual decline through the warmer spring and summer months, where humidity dips to a low of 77% in August, December marks a significant revival in humidity, reminiscent of late autumn conditions seen in November and October. This cyclical variation not only adds to the briskness of the air but also enhances the picturesque charm of the Swiss landscape as the year winds down.
As the year winds down, December in Nyon, Switzerland, brings a significant dip in UV exposure, reflecting a return to lower levels after the sunnier months. With a UV Index of 2, the exposure category is classified as low, allowing for a safe burn time of 45 minutes. This trend underscores a seasonal shift, as the previous months showcased notably higher indices, from a striking 8 in May to a peak of 10 in June. As winter approaches, residents and visitors can enjoy the outdoors with less concern for sunburn, making December a month to savor the crisp air without the intense UV threat. For more detailed information, you can check the Nyon UV Index.
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In Nyon, Switzerland, December offers a gentle precursor to the vibrant daylight of the coming months, with approximately 186 hours of sunshine. Though this marks a dip from the highs of July's 414 hours, it still showcases the region's mild winter charm. As the days grow shorter, sunshine steadily declines from the crisp November skies, which offer 219 hours, yet December's light is a reminder of the bright spring months ahead. The patterns reveal a significant increase in brightness from January's mere 159 hours, with the sunshine gradually building up, peaking in the sun-drenched months of June and July. This rhythm of light serves as a comforting cycle, cycling back into brighter days as the year turns anew.
As you look forward to December in Nyon, Switzerland, it's important to note that the chance of sunny weather tends to dip, with only a 25% likelihood of sunshine gracing the skies. This marks a noticeable decline from the peaks seen in the spring months, particularly April, when the sun shines about 50% of the time. While January begins the year with a mere 15% chance of sunshine, December stands slightly above it, hinting at a transition towards brighter days as winter progresses. This data suggests that December tends to be more overcast, making it a time for cozy indoor activities rather than basking in plentiful sunlight.
As December arrives in Nyon, Switzerland, daylight begins to wane, leading to a brief spell of 8 hours of sunlight. This month marks the culmination of a gradual decline that began after the longest days of June and July, when residents enjoyed 15 hours of daylight. Following a steady reduction, daylight dips further in autumn, dropping to 9 hours in both November and January. Interestingly, as the year transitions towards spring, the number of daylight hours begins to rise again, hinting at the cyclical beauty of nature. From 10 hours in February to 11 hours in March, the promise of longer days beckons, reminding us of the vibrant light that awaits as winter fades.
As December blankets Nyon, Switzerland, with its winter chill, the average wind speed settles at a mild 2.2 m/s (5 mph). This slight increase from the low of 1.6 m/s in September marks a gentle uptick as the year winds down, reflecting a consistent, moderate breeze throughout the latter months. Interestingly, as we transition from the warmer months of summer, where wind speeds hover around 1.9 m/s, the air begins to stir slightly more, echoing April's breezy 2.6 m/s. Despite the colder temperatures, December's winds maintain a pleasant steadiness, inviting locals and visitors alike to embrace the serene beauty of the lakeside landscape while wrapped warmly against the elements.
Weather in Nyon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nyon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterised by slightly milder temperatures with an average of 3°C (38°F), ranging from a low of -5°C (24°F) to a high of 12°C (55°F). This month also sees significant precipitation, totaling 213 mm (8.4 in) over 19 days, contributing to the high humidity level of 91%.
Conversely, January experiences cooler conditions, with an average temperature of 2°C (36°F), dipping to a minimum of -7°C (20°F) and reaching a maximum of 13°C (55°F). Precipitation decreases to 127 mm (5.0 in) over 12 days, but the humidity remains consistently high at 91%. For more detailed insights, you can check the Nyon weather in January.
December weather is characterized by a chillier atmosphere, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 12°C (55°F) and an average of 3°C (38°F). This month also sees significant precipitation, totaling 213 mm (8.4 in) over 19 days, coupled with a high humidity level of 91%. In contrast, February cools down further at night with a minimum of -11°C (13°F), but offers a slightly warmer maximum temperature of 17°C (62°F) and an average of 4°C (40°F). Precipitation is notably less in February at 98 mm (3.9 in) across 12 days, with humidity slightly decreasing to 89%. For more information on weather patterns during February, check out Nyon weather in February.
December and March present distinct weather patterns. In December, temperatures range from a chilly -5°C (24°F) at night to a maximum of 12°C (55°F) during the day, with an average of 3°C (38°F). This month sees considerable precipitation at 213 mm (8.4 in) over 19 days, coupled with high humidity at 91%. In contrast, March experiences slightly colder nighttime temperatures, dipping to -9°C (16°F), but daytime averages rise to a more pleasant 6°C (43°F), peaking at 20°C (69°F). Precipitation in March is lower at 140 mm (5.5 in) across 14 days, accompanied by a slightly lower humidity of 87%. Such differences highlight the transitional nature of spring in March compared to the wintry conditions of December. For more detailed insights, check Nyon weather in March.
December weather is characterized by much colder temperatures, with average highs reaching only 12°C (55°F) and frequent low temperatures dropping to a chilling -5°C (24°F). The month is also notably wet, with 213 mm (8.4 in) of precipitation spread over 19 days, contributing to high humidity levels of 91%. In contrast, April brings a significant warming trend, where temperatures can range from a minimum of -3°C (27°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). Precipitation decreases significantly to 64 mm (2.5 in) over just 10 days, and humidity also drops to 84%. For more specific details on the weather in April, you can check Nyon weather in April.
December and May present contrasting weather conditions. In December, temperatures range from a chilly -5°C (24°F) to a mild 12°C (55°F), with an average of 3°C (38°F). This month also experiences significant precipitation, totaling 213 mm (8.4 in) over 19 days, coupled with high humidity levels of 91%. In stark contrast, May ushers in warmer temperatures, with a minimum of 0°C (33°F) and a maximum reaching 26°C (79°F), averaging around 12°C (55°F). Precipitation in May is less intense at 163 mm (6.4 in), occurring over 17 days, and humidity drops to a more comfortable 80%. For a closer look at May's weather specifics, check out Nyon weather in May.
The weather in December and June presents a striking contrast. In December, temperatures typically range from a chilly minimum of -5°C (24°F) to a mild maximum of 12°C (55°F), with an average of 3°C (38°F). The month is notably damp, with 213 mm (8.4 in) of precipitation over 19 days and high humidity at 91%. Conversely, June brings warmer and more pleasant weather, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (91°F), averaging 17°C (64°F). The month sees significantly less rainfall, totaling 126 mm (5.0 in) over 15 days, and lower humidity at 82%. For more details, check out Nyon weather in June.
December and July present stark contrasts in weather patterns. In December, temperatures can plummet to a minimum of -5°C (24°F) and average around 3°C (38°F), peaking at 12°C (55°F). The month is characterized by high humidity at 91% and considerable precipitation, totaling 213 mm (8.4 in) over 19 days. In contrast, July boasts a much warmer climate, with minimum temperatures of 10°C (50°F), an average of 19°C (67°F), and maximums reaching a steamy 33°C (91°F). This month sees less rain, with a total of 130 mm (5.1 in) spread over 15 days and a slightly lower humidity level of 82%. For more specific insights, you can explore the details here: Nyon weather in July.
December and August exhibit contrasting weather patterns, reflecting the stark differences between winter and summer. In December, temperatures range from a chilly -5°C (24°F) at night to a mild 12°C (55°F) during the day, with an average of 3°C (38°F). The month sees significant precipitation, accumulating to 213 mm (8.4 in) over 19 wet days, accompanied by high humidity levels averaging 91%. In contrast, August presents a much warmer climate, with temperatures soaring from a minimum of 8°C (47°F) at night to a maximum of 32°C (89°F) during the day, averaging around 19°C (66°F). Precipitation in August is lower, at 126 mm (5.0 in) over 15 days, and humidity levels are a more comfortable 77%. For more detailed insights, check Nyon weather in August.
December weather is significantly colder and wetter compared to September. In December, temperatures range from a chilly -5°C (24°F) to a mild 12°C (55°F), with an average around 3°C (38°F). During this month, residents experience considerable precipitation, averaging 213 mm (8.4 in) over 19 days, with humidity levels peaking at 91%. In contrast, September offers a more temperate climate with temperatures ranging from 5°C (41°F) to a pleasant 26°C (80°F), averaging 15°C (60°F). This month sees much less precipitation at 94 mm (3.7 in) over 12 days, coupled with lower humidity levels at 81%. For more details, you can check Nyon weather in September.
In comparing December and October weather, December is characterized by much colder temperatures, with average highs reaching only 12°C (55°F) compared to October's warmer average of 11°C (52°F), and minimum temperatures dropping to -5°C (24°F) versus October's milder 1°C (34°F). Precipitation also increases significantly in December, with 213 mm (8.4 in) falling over 19 days, whereas October sees less rain at 121 mm (4.8 in) across just 13 days. Despite the colder conditions, both months exhibit high humidity, with December slightly higher at 91% compared to October's 89%. For more details on October weather, you can visit Nyon weather in October.
Comparing the weather of December to November reveals a notable drop in temperatures and an increase in precipitation. December experiences colder temperatures, with a minimum of -5°C (24°F) and an average of 3°C (38°F), while November stays milder, ranging from a minimum of -1°C (31°F) to an average of 6°C (43°F). Additionally, December sees significantly higher precipitation, with 213 mm (8.4 in) over 19 days, compared to November's 116 mm (4.6 in) across 14 days. Humidity also rises slightly in December to 91%, compared to November's 89%. For a more detailed look at November's weather, visit Nyon weather in November.
December in Nyon brings a notable transition, as the chilly temperatures settle in with averages around 3°C and maximums barely touching 12°C. This month is characterized by increased precipitation, with rain or snow gracing the skies on approximately 19 days, causing humidity levels to soar to 91%. Compared to the milder weather of earlier months, December's colder embrace and frequent dampness create a distinct atmosphere, perfect for cozy indoors and festive celebrations. To explore more about what to expect throughout the year, visit Nyon Climate.